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1 2 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 8005 | Kalevitch and Chess | brute force constructive algorithms | Statement | A | Codeforces Beta Round 7 {7} | PROGRAMMING | 1300 | ||
| 3842 | Four Segments | brute force constructive algorithms geometry implementation math | Statement | C | Codeforces Beta Round 14 (Div. 2) {14} | PROGRAMMING | Codeforces Beta Round #14 tutorial | 1800 | |
| 566 | Safe cracking | brute force constructive algorithms | Statement | C | Codeforces Beta Round 41 {42} | PROGRAMMING | Solution of task е, Codeforces beta round #41 | 2200 | |
| 1219 | Journey | brute force constructive algorithms implementation | Statement | D | Codeforces Beta Round 42 (Div. 2) {43} | PROGRAMMING | Разбор задач A, B, C, D CodeForces Beta Round #42 | 1900 | |
| 2860 | String | brute force constructive algorithms hashing implementation string suffix structures strings | Statement | B | Codeforces Beta Round 94 (Div. 1 Only) {128} | PROGRAMMING | 3219 | 2200 | |
| 30225 | Hexadecimal's theorem | brute force constructive algorithms implementation number theory | Statement | A | Codeforces Round 125 (Div. 2) {199} | PROGRAMMING | Solutions for Codeforces Round #125 | 1000 | |
| 5343 | Hometask | brute force constructive algorithms greedy math | Statement | B | Codeforces Round 131 (Div. 2) {214} | PROGRAMMING | Codeforces Round #131 Tutorial | 1600 | |
| 10507 | Mountain Scenery | brute force constructive algorithms implementation | Statement | A | Codeforces Round 134 (Div. 2) {218} | PROGRAMMING | Editorial for Codeforces Round #134 | 1100 | |
| 2823 | Beauty Pageant | brute force constructive algorithms greedy | Statement | C | Codeforces Round 151 (Div. 2) {246} | PROGRAMMING | Codeforces Round #151 (Div. 2) Tutorial | 1600 | |
| 26527 | Array | brute force constructive algorithms implementation | Statement | A | Codeforces Round 181 (Div. 2) {300} | PROGRAMMING | English Tutorial | 1200 | |
| 5212 | Strange Addition | brute force constructive algorithms implementation | Statement | A | Codeforces Round 184 (Div. 2) {305} | PROGRAMMING | 7712 | 1600 | |
| 420 | Lucky Tickets | brute force constructive algorithms | Statement | C | Codeforces Round 194 (Div. 1) {333} | PROGRAMMING | Codeforces Round 194 — Editoral | 2800 | |
| 857 | Wrong Floyd | brute force constructive algorithms dfs and similar graphs | Statement | E | Codeforces Round 203 (Div. 2) {350} | PROGRAMMING | Editorial Codeforces Round #203 (Div. 2) | 2200 | |
| 703 | Broken Monitor | brute force constructive algorithms greedy implementation | Statement | D | Codeforces Round 217 (Div. 2) {370} | PROGRAMMING | Codeforces Round #217 (Div. 2): tutorial | 2100 | |
| 6357 | Searching for Graph | brute force constructive algorithms graphs | Statement | C | Codeforces Round 236 (Div. 2) {402} | PROGRAMMING | Editorial Codeforces Round #236 | 1500 | |
| 9482 | A + B Strikes Back | *special brute force constructive algorithms dsu implementation | Statement | H | April Fools Day Contest 2014 {409} | PROGRAMMING | April Fools Day Contest 2014: editorial | 1700 | |
| 607 | Biathlon Track | binary search brute force constructive algorithms data structures dp | Statement | D | Codeforces Round 242 (Div. 2) {424} | PROGRAMMING | Codeforces Round #242 (Div. 2) Editorial | 2200 | |
| 4167 | Devu and Partitioning of the Array | brute force constructive algorithms implementation number theory | Statement | C | Codeforces Round 251 (Div. 2) {439} | PROGRAMMING | Codeforces Round #251 Editorial | 1700 | |
| 2105 | 4-point polyline | brute force constructive algorithms geometry trees | Statement | B | MemSQL Start[c]UP 2.0 - Round 1 {452} | PROGRAMMING | MemSQL Start[c]UP 2.0 Round 1 and 2 Editorials | 1800 | |
| 1036 | Little Victor and Set | brute force constructive algorithms math | Statement | D | Codeforces Round 262 (Div. 2) {460} | PROGRAMMING | 13465 | 2500 | |
| 42721 | Fedor and New Game | bitmasks brute force constructive algorithms implementation | Statement | B | Codeforces Round 267 (Div. 2) {467} | PROGRAMMING | Разбор задач | 1200 | |
| 827 | Kamal-ol-molk's Painting | brute force constructive algorithms greedy | Statement | C | Bayan 2015 Contest Warm Up {475} | PROGRAMMING | Bayan 2015 Contest Warm Up Editorial | 2100 | |
| 8420 | Towers | brute force constructive algorithms greedy implementation sortings | Statement | B | Codeforces Round 274 (Div. 2) {479} | PROGRAMMING | Codeforces Round #274: editorial | 1400 | |
| 2262 | Candy Boxes | brute force constructive algorithms math | Statement | B | Codeforces Round 278 (Div. 2) {488} | PROGRAMMING | Tutorial | 1800 | |
| 6195 | Secret Combination | brute force constructive algorithms implementation | Statement | B | Codeforces Round 283 (Div. 2) {496} | PROGRAMMING | 15208 | 1500 | |
| 8141 | Removing Columns | brute force constructive algorithms implementation | Statement | C | Codeforces Round 283 (Div. 2) {496} | PROGRAMMING | 15208 | 1600 | |
| 2517 | Weird Chess | brute force constructive algorithms implementation | Statement | D | Codeforces Round 300 {538} | PROGRAMMING | Codeforces Round #300 Editorial (+challenges) | 1800 | |
| 4061 | ZgukistringZ | brute force constructive algorithms implementation strings | Statement | B | Codeforces Round 307 (Div. 2) {551} | PROGRAMMING | Tutorial | 1800 | |
| 4668 | Three Logos | bitmasks brute force constructive algorithms geometry implementation math | Statement | D | Codeforces Round 322 (Div. 2) {581} | PROGRAMMING | Codeforces Round #322 (Div.2) Editorial | 1700 | |
| 1083 | Rat Kwesh and Cheese | brute force constructive algorithms math | Statement | D | Codeforces Round 341 (Div. 2) {621} | PROGRAMMING | Editorial | 2200 | |
| 14829 | Far Relative’s Birthday Cake | brute force combinatorics constructive algorithms implementation | Statement | A | Codeforces Round 343 (Div. 2) {629} | PROGRAMMING | Editorial of Codeforces Round #343 (Div.2) | 800 | |
| 4388 | Alice, Bob, Two Teams | brute force constructive algorithms | Statement | B | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 1400 | |
| 7225 | A Trivial Problem | brute force constructive algorithms math number theory | Statement | B | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 1300 | |
| 2522 | Promocodes with Mistakes | *special brute force constructive algorithms implementation | Statement | C | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 1800 | ||
| 3186 | Little Artem and Dance | brute force constructive algorithms implementation | Statement | C | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 1800 | |
| 3774 | Amity Assessment | brute force constructive algorithms implementation | Statement | A | CROC 2016 - Elimination Round {645} | PROGRAMMING | Editorial for CROC 2016 Elimination Round | 1200 | |
| 18604 | Holidays | brute force constructive algorithms greedy math | Statement | A | Codeforces Round 350 (Div. 2) {670} | PROGRAMMING | Codeforces Round #350 (Div.2) Editorial | 1000 | |
| 898 | Restore a Number | brute force constructive algorithms strings | Statement | F | Codeforces Round 350 (Div. 2) {670} | PROGRAMMING | Codeforces Round #350 (Div.2) Editorial | 2200 | |
| 7728 | Restoring Painting | brute force constructive algorithms math | Statement | B | Codeforces Round 353 (Div. 2) {675} | PROGRAMMING | Tutorial | 1400 | |
| 5478 | Mike and Cellphone | brute force constructive algorithms implementation | Statement | A | Codeforces Round 361 (Div. 2) {689} | PROGRAMMING | Tutorial | 1400 | |
| 2884 | Hidden Word | brute force constructive algorithms implementation strings | Statement | C | Canada Cup 2016 {725} | PROGRAMMING | Canada Cup Editorial | 1600 | |
| 88347 | Buy a Shovel | brute force constructive algorithms implementation math | Statement | A | Codeforces Round 377 (Div. 2) {732} | PROGRAMMING | Codeforces Round #377 (Div. 2) Editorial | 800 | |
| 13385 | Vladik and fractions | brute force constructive algorithms math number theory | Statement | C | Codeforces Round 384 (Div. 2) {743} | PROGRAMMING | Codeforces Round #384 Editorial | 1500 | |
| 8914 | Parallelogram is Back | brute force constructive algorithms geometry | Statement | B | Codeforces Round 388 (Div. 2) {749} | PROGRAMMING | Tutorial | 1300 | |
| 1434 | Interactive Bulls and Cows (Easy) | brute force constructive algorithms implementation | Statement | B | Testing Round 13 {753} | PROGRAMMING | 1600 | ||
| 396 | Interactive Bulls and Cows (Hard) | brute force constructive algorithms interactive | Statement | C | Testing Round 13 {753} | PROGRAMMING | 2400 | ||
| 1094 | Vladik and chat | brute force constructive algorithms dp implementation strings | Statement | C | Codeforces Round 390 (Div. 2) {754} | PROGRAMMING | 2200 | ||
| 15110 | Dasha and Stairs | brute force constructive algorithms implementation math | Statement | A | Codeforces Round 394 (Div. 2) {761} | PROGRAMMING | Codeforces Round #394 (Div. 2) [Editorial] | 1100 | |
| 4196 | Dasha and Very Difficult Problem | binary search brute force constructive algorithms greedy sortings | Statement | D | Codeforces Round 394 (Div. 2) {761} | PROGRAMMING | Codeforces Round #394 (Div. 2) [Editorial] | 1700 | |
| 23793 | Mike and palindrome | brute force constructive algorithms strings | Statement | A | Codeforces Round 410 (Div. 2) {798} | PROGRAMMING | Codeforces Round #410 (Div. 2) Editorial | 1100 | |
| 1600 | Karen and Test | brute force combinatorics constructive algorithms math | Statement | B | Codeforces Round 419 (Div. 1) {815} | PROGRAMMING | Codeforces Round #419 Editorial | 2200 | |
| 5484 | Jury Marks | brute force constructive algorithms | Statement | C | Codeforces Round 424 (Div. 2, rated, based on VK Cup Finals) {831} | PROGRAMMING | Codeforces Round #424 Editorial | 1600 | |
| 14509 | Fraction | brute force constructive algorithms math | Statement | A | Codeforces Round 433 (Div. 2, based on Olympiad of Metropolises) {854} | PROGRAMMING | 900 | ||
| 1611 | Set Theory | brute force constructive algorithms | Statement | A | Russian Code Cup 2017 - Finals [Unofficial Mirror, Div. 1 Only Recommended, Teams Allowed] {856} | PROGRAMMING | Tutorial | 1600 | |
| 5016 | Qualification Rounds | bitmasks brute force constructive algorithms dp | Statement | C | Codeforces Round 438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) {868} | PROGRAMMING | 55046 | 1500 | |
| 1322 | Seating of Students | brute force constructive algorithms math | Statement | B | Codeforces Round 454 (Div. 1, based on Technocup 2018 Elimination Round 4) {906} | PROGRAMMING | Editorial Codeforces Round 454 (and Technocup 2018 — Elimination Round 4) | 2300 | |
| 7327 | Three Garlands | brute force constructive algorithms | Statement | C | Educational Codeforces Round 35 (Rated for Div. 2) {911} | PROGRAMMING | 1400 | ||
| 4236 | Permutation Cycle | brute force constructive algorithms | Statement | C | ICM Technex 2018 and Codeforces Round 463 (Div. 1 + Div. 2, combined) {932} | PROGRAMMING | 57796 | 1600 | |
| 3468 | Constructing Tests | binary search brute force constructive algorithms | Statement | C | Educational Codeforces Round 38 (Rated for Div. 2) {938} | PROGRAMMING | Educational Codeforces Round 38 — Editorial | 1700 | |
| 9689 | Row | brute force constructive algorithms | Statement | A | Codeforces Round 484 (Div. 2) {982} | PROGRAMMING | Editorial | 1200 | |
| 1497 | Sonya and Matrix | brute force constructive algorithms implementation | Statement | D | Codeforces Round 495 (Div. 2) {1004} | PROGRAMMING | 60443 | 2200 | |
| 6625 | Relatively Prime Graph | brute force constructive algorithms graphs greedy math | Statement | D | Educational Codeforces Round 47 (Rated for Div. 2) {1009} | PROGRAMMING | 60630 | 1700 | |
| 2287 | Little C Loves 3 II | brute force constructive algorithms flows graph matchings | Statement | B | Codeforces Round 511 (Div. 1) {1034} | PROGRAMMING | Codeforces Round #511 Editorial | 2100 | |
| 17627 | Ehab and another construction problem | brute force constructive algorithms | Statement | A | Codeforces Round 525 (Div. 2) {1088} | PROGRAMMING | Codeforces round #525 editorial | 800 | |
| 11005 | New Year and the Treasure Geolocation | brute force constructive algorithms greedy implementation | Statement | B | Good Bye 2018 {1091} | PROGRAMMING | Editorial | 1200 | |
| 1796 | Nice table | brute force constructive algorithms greedy math | Statement | B | Codeforces Round 530 (Div. 1) {1098} | PROGRAMMING | 64331 | 2300 | |
| 12803 | Dima and a Bad XOR | bitmasks brute force constructive algorithms dp | Statement | B | Codeforces Round 553 (Div. 2) {1151} | PROGRAMMING | Codeforces Round #553 (Div. 2) Editorial | 1600 | |
| 1008 | Inverse of Rows and Columns | brute force constructive algorithms | Statement | G | Codeforces Round 555 (Div. 3) {1157} | PROGRAMMING | 66737 | 2800 | |
| 1008 | Magical Permutation | bitmasks brute force constructive algorithms data structures graphs math | Statement | E | Codeforces Round 558 (Div. 2) {1163} | PROGRAMMING | 66943 | 2800 | |
| 3006 | The LCMs Must be Large | bitmasks brute force constructive algorithms math number theory | Statement | E | Codeforces Round 561 (Div. 2) {1166} | PROGRAMMING | Codeforces Round #561 (Div. 2) Editorial | 2000 | |
| 4502 | Archaeology | brute force constructive algorithms greedy strings | Statement | E | Codeforces Global Round 4 {1178} | PROGRAMMING | E | 1900 | |
| 3143 | K-th Path | brute force constructive algorithms shortest paths sortings | Statement | F | Codeforces Round 575 (Div. 3) {1196} | PROGRAMMING | Editorial | 2500 | |
| 29109 | Three Piles of Candies | brute force constructive algorithms math | Statement | A | Codeforces Round 575 (Div. 3) {1196} | PROGRAMMING | Editorial | 700 | |
| 5453 | Two Small Strings | brute force constructive algorithms | Statement | E | Codeforces Round 582 (Div. 3) {1213} | PROGRAMMING | Codeforces Round #582 (Div. 3) Editorial | 2000 | |
| 5412 | Complete Tripartite | brute force constructive algorithms graphs hashing implementation | Statement | D | Codeforces Round 589 (Div. 2) {1228} | PROGRAMMING | 70162 | 1800 | |
| 8293 | Paint the Tree | brute force constructive algorithms dp graphs implementation trees | Statement | D | Codeforces Round 592 (Div. 2) {1244} | PROGRAMMING | Codeforces Round #592 (Div. 2) Tutorial | 1700 | |
| 2798 | The Feast and the Bus | brute force constructive algorithms greedy math | Statement | B | 2019-2020 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules, Teams Preferred) {1250} | PROGRAMMING | 1900 | ||
| 6044 | Beautiful Sequence | brute force constructive algorithms greedy | Statement | B | Codeforces Round 604 (Div. 1) {1264} | PROGRAMMING | 71995 | 1900 | |
| 1068 | Intriguing Selection | brute force constructive algorithms implementation interactive sortings | Statement | I | 2019-2020 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1267} | PROGRAMMING | nerc-2019-tutorial.pdf | 2700 | |
| 1776 | Beautiful Rectangle | brute force combinatorics constructive algorithms data structures greedy math | Statement | C | Codeforces Round 606 (Div. 1, based on Technocup 2020 Elimination Round 4) {1276} | PROGRAMMING | Technocup 2020 — Elimination Round 4 + Codeforces Round 606: Editorial | 2300 | |
| 2000 | Delete a Segment | brute force constructive algorithms data structures dp graphs sortings trees two pointers | Statement | E | Codeforces Round 613 (Div. 2) {1285} | PROGRAMMING | Codeforces Round #613 (Div. 2) Editorial | 2300 | |
| 1577 | Madhouse (Easy version) | brute force constructive algorithms interactive math | Statement | C1 | Codeforces Round 612 (Div. 1) {1286} | PROGRAMMING | Codeforces Round #612 - Editorial | 2400 | |
| 744 | Madhouse (Hard version) | brute force constructive algorithms hashing interactive math | Statement | C2 | Codeforces Round 612 (Div. 1) {1286} | PROGRAMMING | Codeforces Round #612 - Editorial | 2900 | |
| 294 | Harry The Potter | brute force constructive algorithms dp fft implementation math | Statement | F | Codeforces Round 612 (Div. 1) {1286} | PROGRAMMING | Codeforces Round #612 - Editorial | 3200 | |
| 6759 | Aroma's Search | brute force constructive algorithms geometry greedy implementation | Statement | B | Codeforces Round 614 (Div. 1) {1292} | PROGRAMMING | 750.0 | Codeforces Round #614 Editorial | 1800 |
| 18743 | Longest Palindrome | brute force constructive algorithms greedy implementation strings | Statement | B | Codeforces Round 620 (Div. 2) {1304} | PROGRAMMING | 1000.0 | Codeforces Round #620 (Div. 2) Editorial | 1100 |
| 14639 | Kuroni and the Gifts | brute force constructive algorithms greedy sortings | Statement | A | Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated, T-shirts + prizes!) {1305} | PROGRAMMING | 500.0 | Ozon Tech Challenge 2020 Editorial | 800 |
| 2711 | Construct the Binary Tree | brute force constructive algorithms dfs and similar trees | Statement | E | Codeforces Round 624 (Div. 3) {1311} | PROGRAMMING | 74224 | 2400 | |
| 11719 | String Modification | brute force constructive algorithms implementation sortings strings | Statement | B | CodeCraft-20 (Div. 2) {1316} | PROGRAMMING | 1000.0 | Codecraft-20 (Div.2) Editorial | 1400 |
| 18917 | Composite Coloring | brute force constructive algorithms greedy math number theory | Statement | B | Codeforces Round 630 (Div. 2) {1332} | PROGRAMMING | 1000.0 | Codeforces Round #630 Editorial | 1500 |
| 1809 | Road to 1600 | brute force constructive algorithms | Statement | E | Codeforces Round 632 (Div. 2) {1333} | PROGRAMMING | 2000.0 | Codeforces Round #632 (Div. 2) editorial | |
| 4128 | Challenges in school №41 | brute force constructive algorithms games graphs greedy implementation sortings | Statement | D | Codeforces Round 632 (Div. 2) {1333} | PROGRAMMING | 1750.0 | Codeforces Round #632 (Div. 2) editorial | |
| 17883 | Circle of Monsters | brute force constructive algorithms greedy math | Statement | C | Educational Codeforces Round 85 (Rated for Div. 2) {1334} | PROGRAMMING | Educational Codeforces Round 85 Editorial | ||
| 3436 | Perfect Triples | bitmasks brute force constructive algorithms divide and conquer greedy implementation math | Statement | C | Codeforces Round 633 (Div. 1) {1338} | PROGRAMMING | 1500.0 | Editorial | |
| 1392 | Restore the Permutation by Sorted Segments | brute force constructive algorithms data structures greedy implementation | Statement | F | Codeforces Round 636 (Div. 3) {1343} | PROGRAMMING | 76352 | 2800 | |
| 13499 | Spy-string | bitmasks brute force constructive algorithms dp hashing strings | Statement | F | Codeforces Round 644 (Div. 3) {1360} | PROGRAMMING | Codeforces Round #644 (Div. 3) Editorial | 1700 | |
| 4853 | Binary Median | bitmasks brute force constructive algorithms | Statement | H | Codeforces Round 644 (Div. 3) {1360} | PROGRAMMING | Codeforces Round #644 (Div. 3) Editorial | 2100 | |
| 14323 | Ehab and Prefix MEXs | brute force constructive algorithms greedy | Statement | C | Codeforces Round 649 (Div. 2) {1364} | PROGRAMMING | 1500.0 | Codeforces round #649 editorial | 1600 |
| 8312 | Maximum Subsequence Value | brute force constructive algorithms | Statement | E | Codeforces Round 648 (Div. 2) {1365} | PROGRAMMING | 2000.0 | Editorial — Codeforces Round #648 | 1900 |
| 21315 | Codeforces Subsequences | brute force constructive algorithms greedy math strings | Statement | B | Codeforces Global Round 8 {1368} | PROGRAMMING | 1000.0 | Codeforces Global Round 8: editorial | |
| 24972 | GCD Compression | brute force constructive algorithms math number theory | Statement | B | Codeforces Round 651 (Div. 2) {1370} | PROGRAMMING | 1000.0 | Editorial — Codeforces Round #651 | |
| 5714 | Omkar and Circle | brute force constructive algorithms dp games greedy | Statement | D | Codeforces Round 655 (Div. 2) {1372} | PROGRAMMING | 2000.0 | Codeforces Round #655 Editorial | 2100 |
| 52280 | 01 Game | brute force constructive algorithms dp games implementation strings | Statement | B | Educational Codeforces Round 90 (Rated for Div. 2) {1373} | PROGRAMMING | Educational Codeforces Round 90 Editorial | ||
| 2946 | Sum of Digits | brute force constructive algorithms dp greedy math number theory | Statement | E | Educational Codeforces Round 90 (Rated for Div. 2) {1373} | PROGRAMMING | Educational Codeforces Round 90 Editorial | ||
| 1392 | Cyclic Shifts Sorting | brute force constructive algorithms implementation | Statement | F | Codeforces Round 653 (Div. 3) {1374} | PROGRAMMING | 79517 | ||
| 2502 | Integer Game | brute force constructive algorithms games interactive math | Statement | F | Codeforces Global Round 9 {1375} | PROGRAMMING | 2000.0 | 79731 | |
| 10050 | Replace by MEX | brute force constructive algorithms implementation | Statement | D | Codeforces Global Round 9 {1375} | PROGRAMMING | 1750.0 | 79731 | |
| 759 | Rearrange | brute force constructive algorithms graphs greedy sortings | Statement | D | Codeforces Round 659 (Div. 1) {1383} | PROGRAMMING | 1750.0 | Codeforces Round #659 Editorial | |
| 12891 | Stoned Game | brute force constructive algorithms games greedy | Statement | B | Codeforces Round 666 (Div. 1) {1396} | PROGRAMMING | 1000.0 | Codeforces Round #666 — Editorial | |
| 27940 | String Similarity | brute force constructive algorithms strings | Statement | A | Educational Codeforces Round 94 (Rated for Div. 2) {1400} | PROGRAMMING | 81942 | ||
| 6142 | XOR-gun | bitmasks brute force constructive algorithms | Statement | D | Technocup 2021 - Elimination Round 2 {1415} | PROGRAMMING | 2000.0 | Editorial of Codeforces Round 687 (Technocup 2021 — Elimitation Round 2) | |
| 16949 | Stairs | brute force constructive algorithms greedy implementation math two pointers | Statement | B | Codeforces Round 671 (Div. 2) {1419} | PROGRAMMING | 750.0 | Codeforces Round #671 Editorial | |
| 8116 | Rock, Paper, Scissors | brute force constructive algorithms flows greedy math | Statement | E | Codeforces Round 674 (Div. 3) {1426} | PROGRAMMING | 83120 | 1800 | |
| 18454 | Marketing Scheme | brute force constructive algorithms greedy math | Statement | A | Educational Codeforces Round 97 (Rated for Div. 2) {1437} | PROGRAMMING | 84149 | ||
| 4434 | Checkpoints | brute force constructive algorithms greedy math probabilities | Statement | D | Codeforces Round 688 (Div. 2) {1453} | PROGRAMMING | 2000.0 | Codeforces Round #688 (Div. 2) Editorial | |
| 1643 | Four Points | brute force constructive algorithms flows geometry greedy math ternary search | Statement | E | Educational Codeforces Round 99 (Rated for Div. 2) {1455} | PROGRAMMING | 85186 | ||
| 6780 | Three Bags | brute force constructive algorithms greedy | Statement | C | Codeforces Round 695 (Div. 2) {1467} | PROGRAMMING | 1500.0 | Codeforces Round #695 (Div. 2) Editorial | 1900 |
| 10189 | Ceil Divisions | brute force constructive algorithms math number theory | Statement | D | Educational Codeforces Round 101 (Rated for Div. 2) {1469} | PROGRAMMING | Educational Codeforces Round 101 Editorial | ||
| 1436 | Strange Shuffle | binary search brute force constructive algorithms interactive probabilities | Statement | C | Codeforces Round 694 (Div. 1) {1470} | PROGRAMMING | 1000.0 | 86464 | |
| 12390 | Fence Painting | brute force constructive algorithms greedy implementation | Statement | C | Codeforces Round 699 (Div. 2) {1481} | PROGRAMMING | 1500.0 | Codeforces Round #699 (Div. 2) Editorial | |
| 15386 | Minimum Ties | brute force constructive algorithms dfs and similar graphs greedy implementation math | Statement | C | Educational Codeforces Round 104 (Rated for Div. 2) {1487} | PROGRAMMING | 87873 | ||
| 27864 | Balanced Remainders | brute force constructive algorithms math | Statement | B | Codeforces Round 702 (Div. 3) {1490} | PROGRAMMING | Codeforces Round #702 (Div. 3) Editorial | ||
| 1288 | Almost Fault-Tolerant Database | brute force constructive algorithms dfs and similar greedy implementation | Statement | E | Codeforces Round 704 (Div. 2) {1492} | PROGRAMMING | 3000.0 | Codeforces Round #704 Editorial | |
| 2814 | Dogeforces | brute force constructive algorithms divide and conquer dsu greedy implementation trees | Statement | D | Educational Codeforces Round 105 (Rated for Div. 2) {1494} | PROGRAMMING | Educational Codeforces Round 105 Editorial | ||
| 22231 | Split it! | brute force constructive algorithms greedy strings | Statement | A | Codeforces Round 706 (Div. 2) {1496} | PROGRAMMING | 500.0 | Codeforces Round #706 Editorial | |
| 391 | Tree Calendar | brute force constructive algorithms dfs and similar sortings | Statement | E | Codeforces Round 715 (Div. 1) {1508} | PROGRAMMING | 2250.0 | Codeforces Round #715 Editorial | |
| 12429 | Min Cost String | brute force constructive algorithms dfs and similar graphs greedy | Statement | D | Educational Codeforces Round 107 (Rated for Div. 2) {1511} | PROGRAMMING | 89634 | ||
| 1427 | Swapping Problem | brute force constructive algorithms data structures sortings | Statement | F | Divide by Zero 2021 and Codeforces Round 714 (Div. 2) {1513} | PROGRAMMING | 3500.0 | Divide by Zero 2021 and Codeforces Round #714 (Div. 2) Editorial | |
| 2791 | Kill Anton | brute force constructive algorithms data structures math strings | Statement | D | Codeforces Round 723 (Div. 2) {1526} | PROGRAMMING | 2250.0 | Codeforces Round #723 (Div. 2) Editorial | |
| 20736 | Omkar and Bad Story | brute force constructive algorithms | Statement | A | Codeforces Round 724 (Div. 2) {1536} | PROGRAMMING | 500.0 | Codeforces Round #724 — Editorial | 800 |
| 2055 | Excellent Arrays | brute force combinatorics constructive algorithms implementation math | Statement | D | Educational Codeforces Round 111 (Rated for Div. 2) {1550} | PROGRAMMING | Educational Codeforces Round 111 Editorial | ||
| 3767 | Permutation Shift | brute force combinatorics constructive algorithms dfs and similar graphs math | Statement | E | Harbour.Space Scholarship Contest 2021-2022 (open for everyone, rated, Div. 1 + Div. 2) {1553} | PROGRAMMING | 1750.0 | Harbour.Space Scholarship Contest 2021-2022 (Div. 1 + Div. 2) Editorial | |
| 24024 | Coin Rows | brute force constructive algorithms dp implementation | Statement | C | Educational Codeforces Round 112 (Rated for Div. 2) {1555} | PROGRAMMING | 93389 | 1300 | |
| 15973 | Mocha and Diana (Easy Version) | brute force constructive algorithms dsu graphs greedy trees | Statement | D1 | Codeforces Round 738 (Div. 2) {1559} | PROGRAMMING | 1500.0 | Tutorial (en) | 1400 |
| 3048 | Mocha and Diana (Hard Version) | brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers | Statement | D2 | Codeforces Round 738 (Div. 2) {1559} | PROGRAMMING | 1500.0 | Tutorial (en) | 2500 |
| 6741 | Nearest Beautiful Number (easy version) | binary search bitmasks brute force constructive algorithms dfs and similar greedy | Statement | F1 | Codeforces Round 739 (Div. 3) {1560} | PROGRAMMING | 94009 | 1900 | |
| 4928 | Nearest Beautiful Number (hard version) | bitmasks brute force constructive algorithms dfs and similar dp greedy | Statement | F2 | Codeforces Round 739 (Div. 3) {1560} | PROGRAMMING | 94009 | 2100 | |
| 368 | Sweepstake | *special brute force constructive algorithms implementation math | Statement | D | Kotlin Heroes: Episode 8 {1571} | PROGRAMMING | Kotlin Heroes 8 Editorial | ||
| 2004 | Xor of 3 | brute force constructive algorithms greedy | Statement | B | Codeforces Round 743 (Div. 1) {1572} | PROGRAMMING | 1250.0 | Tutorial | 2500 |
| 123 | Railway Construction | brute force constructive algorithms data structures graphs shortest paths | Statement | E | Codeforces Round 745 (Div. 1) {1580} | PROGRAMMING | 3500.0 | Codeforces Round #745 Editorial | 3400 |
| 18201 | Distance | brute force constructive algorithms | Statement | A | Educational Codeforces Round 117 (Rated for Div. 2) {1612} | PROGRAMMING | 97164 | ||
| 24567 | Divan and a Store | brute force constructive algorithms greedy | Statement | A | Codeforces Round 757 (Div. 2) {1614} | PROGRAMMING | 500.0 | Tutorial | 800 |
| 26657 | GCD Problem | brute force constructive algorithms math | Statement | B | Codeforces Round 761 (Div. 2) {1617} | PROGRAMMING | 1000.0 | Editorial for Codeforces Round #761 (Div. 2) | |
| 4795 | Exact Change | binary search brute force constructive algorithms greedy | Statement | D | Educational Codeforces Round 119 (Rated for Div. 2) {1620} | PROGRAMMING | 98061 | ||
| 4585 | Masha-forgetful | brute force constructive algorithms dp hashing implementation strings | Statement | E | Codeforces Round 764 (Div. 3) {1624} | PROGRAMMING | Codeforces Round #764 (Div. 3) Editorial | ||
| 16954 | Meximum Array | brute force constructive algorithms greedy math | Statement | A | Codeforces Round 767 (Div. 1) {1628} | PROGRAMMING | 500.0 | 99276 | |
| 21280 | Anti-Fibonacci Permutation | brute force constructive algorithms implementation | Statement | B | Educational Codeforces Round 123 (Rated for Div. 2) {1644} | PROGRAMMING | 100227 | ||
| 19380 | Factorials and Powers of Two | bitmasks brute force constructive algorithms math | Statement | C | Codeforces Round 774 (Div. 2) {1646} | PROGRAMMING | 1250.0 | Codeforces Round #774 (Div. 2) Editorial | 1500 |
| 22654 | Quality vs Quantity | brute force constructive algorithms greedy sortings two pointers | Statement | B | Codeforces Round 774 (Div. 2) {1646} | PROGRAMMING | 1000.0 | Codeforces Round #774 (Div. 2) Editorial | 800 |
| 7244 | Integral Array | brute force constructive algorithms data structures math | Statement | B | Codeforces Round 775 (Div. 1, based on Moscow Open Olympiad in Informatics) {1648} | PROGRAMMING | 1000.0 | Codeforces Round #775 Editorial | |
| 14262 | Twist the Permutation | brute force constructive algorithms math | Statement | D | Codeforces Round 776 (Div. 3) {1650} | PROGRAMMING | 100712 | ||
| 917 | Juju and Binary String | brute force constructive algorithms math | Statement | F | Codeforces Round 779 (Div. 2) {1658} | PROGRAMMING | 3000.0 | Codeforces Round #779 (Div. 2) Editorial | |
| 3689 | Connect the Points | brute force constructive algorithms geometry | Statement | C | 2021-2022 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1666} | PROGRAMMING | Tutorial (PDF) | ||
| 8437 | Insert a Progression | brute force constructive algorithms greedy | Statement | D | Educational Codeforces Round 127 (Rated for Div. 2) {1671} | PROGRAMMING | 102181 | ||
| 7281 | Breaking the Wall | binary search brute force constructive algorithms greedy math | Statement | E | Codeforces Round 786 (Div. 3) {1674} | PROGRAMMING | 102482 | ||
| 3619 | MEX vs DIFF | brute force constructive algorithms data structures greedy two pointers | Statement | E | Codeforces Round 792 (Div. 1 + Div. 2) {1684} | PROGRAMMING | 1750.0 | Codeforces Round #792 (Div. 1 + Div. 2) Editorial | 2100 |
| 1677 | Sanae and Giant Robot | brute force constructive algorithms data structures dfs and similar dsu | Statement | C | Codeforces Round 796 (Div. 1) {1687} | PROGRAMMING | 1500.0 | Editorial of Codeforces Round 796 | |
| 23440 | Cirno's Perfect Bitmasks Classroom | bitmasks brute force constructive algorithms | Statement | A | Codeforces Round 796 (Div. 2) {1688} | PROGRAMMING | 500.0 | Tutorial | |
| 1357 | ANDfinity | bitmasks brute force constructive algorithms dfs and similar dsu graphs | Statement | E | Codeforces Round 798 (Div. 2) {1689} | PROGRAMMING | 2500.0 | Editorial for Codeforces Round #798 (Div. 2) | |
| 17193 | Sum of Substrings | brute force constructive algorithms greedy math strings | Statement | C | CodeCraft-22 and Codeforces Round 795 (Div. 2) {1691} | PROGRAMMING | 1250.0 | Editorial for CodeCraft-22 and Codeforces Round #795 (Div. 2) | |
| 1127 | Tree Recovery | bitmasks brute force constructive algorithms dfs and similar dsu graphs trees | Statement | F | Codeforces Global Round 21 {1696} | PROGRAMMING | 2500.0 | Editorial of Codeforces Global Round 21 | |
| 4982 | Guess The String | binary search brute force constructive algorithms dsu interactive | Statement | D | Educational Codeforces Round 130 (Rated for Div. 2) {1697} | PROGRAMMING | 103835 | ||
| 1449 | Coloring | brute force combinatorics constructive algorithms dfs and similar dp dsu graphs implementation | Statement | E | Educational Codeforces Round 130 (Rated for Div. 2) {1697} | PROGRAMMING | 103835 | ||
| 1782 | PermutationForces II | binary search brute force combinatorics constructive algorithms greedy sortings | Statement | E | Codeforces Round 803 (Div. 2) {1698} | PROGRAMMING | 2000.0 | Codeforces Round #803 (Div. 2) Editorial | |
| 953 | Serega the Pirate | brute force constructive algorithms | Statement | E | Codeforces Round 802 (Div. 2) {1700} | PROGRAMMING | 2500.0 | 103978 | 2600 |
| 2670 | Count Seconds | brute force constructive algorithms dp graphs | Statement | E | CodeTON Round 2 (Div. 1 + Div. 2, Rated, Prizes!) {1704} | PROGRAMMING | 2000.0 | CodeTON Round 2 Editorial | |
| 7706 | Chopping Carrots (Easy Version) | binary search brute force constructive algorithms dp greedy number theory | Statement | D1 | Codeforces Round 809 (Div. 2) {1706} | PROGRAMMING | 1000.0 | Codeforces Round #809 Editorial | |
| 3656 | Build a Tree and That Is It | brute force constructive algorithms greedy implementation trees | Statement | F | Codeforces Round 811 (Div. 3) {1714} | PROGRAMMING | Codeforces Round #811 (Div. 3) Editorial | ||
| 4145 | Edge Split | brute force constructive algorithms dfs and similar graphs probabilities trees | Statement | D | Codeforces Round 819 (Div. 1 + Div. 2) and Grimoire of Code Annual Contest 2022 {1726} | PROGRAMMING | 2000.0 | Codeforces Round #819 (Div. 1 + Div. 2) and Grimoire of Code Annual Contest 2022 Editorial | |
| 17493 | Bestie | brute force constructive algorithms implementation math number theory | Statement | A | Codeforces Round 830 (Div. 2) {1732} | PROGRAMMING | 750.0 | 108327 | 1000 |
| 8457 | Range = √Sum | binary search brute force constructive algorithms math two pointers | Statement | D | Codeforces Round 836 (Div. 2) {1758} | PROGRAMMING | 1750.0 | Codeforces Round #836 (Div. 2) Editorial | |
| 10240 | SlavicG's Favorite Problem | bitmasks brute force constructive algorithms data structures dfs and similar graphs greedy | Statement | G | Codeforces Round 835 (Div. 4) {1760} | PROGRAMMING | 109348 | ||
| 36233 | Two Permutations | brute force constructive algorithms | Statement | A | Pinely Round 1 (Div. 1 + Div. 2) {1761} | PROGRAMMING | 500.0 | Pinely Round 1 (Div. 1 + Div. 2) Editorial | |
| 7773 | Another Array Problem | brute force constructive algorithms greedy | Statement | C | Codeforces Round 840 (Div. 2) and Enigma 2022 - Cybros LNMIIT {1763} | PROGRAMMING | 1500.0 | Codeforces Round #840 (Div. 2) and Enigma 2022 — Cybros LNMIIT Editorial | |
| 1194 | Doremy's Experimental Tree | brute force constructive algorithms dfs and similar dsu sortings trees | Statement | F | Codeforces Global Round 24 {1764} | PROGRAMMING | 2250.0 | Codeforces Global Round 24 Editorial | |
| 603 | Segment Covering | brute force combinatorics constructive algorithms data structures trees | Statement | G | Polynomial Round 2022 (Div. 1 + Div. 2, Rated, Prizes!) {1774} | PROGRAMMING | 3250.0 | Polynomial Round 2022 (Div. 1 + Div. 2) Editorial | |
| 9188 | Same Count One | brute force constructive algorithms implementation two pointers | Statement | D | Polynomial Round 2022 (Div. 1 + Div. 2, Rated, Prizes!) {1774} | PROGRAMMING | 1500.0 | Polynomial Round 2022 (Div. 1 + Div. 2) Editorial | |
| 1312 | Bracket Insertion | brute force combinatorics constructive algorithms dp math trees | Statement | F | VK Cup 2022 - Отборочный раунд (Engine) {1781} | PROGRAMMING | 3250.0 | Tutorial | |
| 1928 | Serval and Shift-Shift-Shift | bitmasks brute force constructive algorithms implementation | Statement | D | Codeforces Round 853 (Div. 2) {1789} | PROGRAMMING | 1750.0 | Codeforces Round #853 (Div. 2) Editorial | |
| 8903 | Li Hua and Chess | brute force constructive algorithms greedy hashing interactive | Statement | C | Codeforces Round 864 (Div. 2) {1797} | PROGRAMMING | 1500.0 | Codeforces Round 864 (Div. 2) Editorial | |
| 12711 | Equalize by Divide | brute force constructive algorithms greedy math | Statement | B | Codeforces Round 854 by cybercats (Div. 1 + Div. 2) {1799} | PROGRAMMING | 1000.0 | Codeforces Round #854 Editorial | |
| 15223 | Unforgivable Curse (hard version) | brute force constructive algorithms constructive algorithms dsu graphs greedy | Statement | E2 | Codeforces Round 855 (Div. 3) {1800} | PROGRAMMING | Codeforces Round 855 (Div. 3) Editorial | ||
| 15542 | Unforgivable Curse (easy version) | brute force constructive algorithms dsu graphs greedy | Statement | E1 | Codeforces Round 855 (Div. 3) {1800} | PROGRAMMING | Codeforces Round 855 (Div. 3) Editorial | ||
| 8634 | Sequence Master | brute force constructive algorithms math | Statement | C | Codeforces Round 858 (Div. 2) {1806} | PROGRAMMING | 1750.0 | Codeforces Round #858 (Div. 2) Editorial | |
| 5074 | Fish Graph | brute force constructive algorithms dfs and similar graphs trees | Statement | B | Codeforces Round 869 (Div. 1) {1817} | PROGRAMMING | 1000.0 | Codeforces Round #869 (Div.1, Div.2) Editorial | |
| 15061 | Flipper | brute force constructive algorithms | Statement | D | Codeforces Round 874 (Div. 3) {1833} | PROGRAMMING | 116636 | ||
| 2781 | In Search of Truth (Easy Version) | brute force constructive algorithms interactive math probabilities | Statement | G1 | Codeforces Round 878 (Div. 3) {1840} | PROGRAMMING | Codeforces Round #878 (Div.3) Editorial | ||
| 4715 | Tenzing and His Animal Friends | brute force constructive algorithms graphs greedy shortest paths | Statement | D | CodeTON Round 5 (Div. 1 + Div. 2, Rated, Prizes!) {1842} | PROGRAMMING | 1500.0 | CodeTON Round 5 Editorial | |
| 10281 | Array Painting | brute force constructive algorithms dp greedy | Statement | D | Educational Codeforces Round 152 (Rated for Div. 2) {1849} | PROGRAMMING | 118752 | ||
| 31471 | Escalator Conversations | brute force constructive algorithms implementation math | Statement | A | Codeforces Round 888 (Div. 3) {1851} | PROGRAMMING | 118667 | ||
| 3185 | Trees and Segments | binary search brute force constructive algorithms data structures dp greedy two pointers | Statement | D | Codeforces Round 893 (Div. 2) {1858} | PROGRAMMING | 2000.0 | Codeforces Round #893 (Div. 2) Editorial | 2200 |
| 7614 | Matrix Cascade | brute force constructive algorithms dp greedy | Statement | D | Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) {1864} | PROGRAMMING | 1500.0 | Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) Editorial | |
| 508 | Most Different Tree | brute force constructive algorithms dfs and similar greedy hashing | Statement | F | Codeforces Round 897 (Div. 2) {1867} | PROGRAMMING | 4000.0 | ||
| 1565 | Interactive Game with Coloring | brute force constructive algorithms graphs implementation interactive math trees | Statement | E | Educational Codeforces Round 155 (Rated for Div. 2) {1879} | PROGRAMMING | 120773 | 2400 | |
| 17390 | Sets and Union | bitmasks brute force constructive algorithms greedy | Statement | B | Codeforces Round 899 (Div. 2) {1882} | PROGRAMMING | 1000.0 | Codeforces Round 899 (Div. 2) Editorial | |
| 1209 | Two Permutations (Easy Version) | brute force constructive algorithms greedy number theory | Statement | E1 | Codeforces Round 899 (Div. 2) {1882} | PROGRAMMING | 2000.0 | Codeforces Round 899 (Div. 2) Editorial | |
| 19131 | Simple Design | brute force constructive algorithms greedy math | Statement | A | Codeforces Round 904 (Div. 2) {1884} | PROGRAMMING | 500.0 | Codeforces Round #904 (Div. 2) Editorial | |
| 27682 | Sum of Three | brute force constructive algorithms math | Statement | A | Educational Codeforces Round 156 (Rated for Div. 2) {1886} | PROGRAMMING | Educational Codeforces Round 156 Editorial | ||
| 16915 | Insert and Equalize | brute force constructive algorithms greedy math number theory | Statement | C | Educational Codeforces Round 159 (Rated for Div. 2) {1902} | PROGRAMMING | Educational Codeforces Round 159 Editorial | ||
| 14805 | StORage room | bitmasks brute force constructive algorithms greedy | Statement | B | Codeforces Round 912 (Div. 2) {1903} | PROGRAMMING | 1000.0 | Codeforces Round #912 (Div. 2) Editorial | |
| 8586 | Set To Max (Easy Version) | brute force constructive algorithms greedy | Statement | D1 | Codeforces Round 914 (Div. 2) {1904} | PROGRAMMING | 1250.0 | Codeforces Round 914 (Div. 2) Editorial | |
| 1675 | Multiple Lamps | brute force constructive algorithms number theory | Statement | E | Pinely Round 3 (Div. 1 + Div. 2) {1909} | PROGRAMMING | 2500.0 | Editorial of Pinely Round 3 (Div. 1 + Div. 2) | |
| 9745 | Mathematical Problem | brute force constructive algorithms implementation math strings | Statement | D | Good Bye 2023 {1916} | PROGRAMMING | 1500.0 | ||
| 654 | Permutation of Given | brute force constructive algorithms | Statement | G | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 3250.0 | Codeforces Round #922 (Div. 2) Editorial | |
| 2087 | Vlad and Avoiding X | bitmasks brute force constructive algorithms dfs and similar dp implementation | Statement | F | Codeforces Round 928 (Div. 4) {1926} | PROGRAMMING | 126132 | ||
| 17621 | Permutation Printing | brute force constructive algorithms math | Statement | B | think-cell Round 1 {1930} | PROGRAMMING | 1000.0 | think-cell Round 1 Editorial | |
| 340 | Weird LCM Operations | brute force constructive algorithms | Statement | E | Codeforces Round 931 (Div. 2) {1934} | PROGRAMMING | 3250.0 | Tutorial | |
| 9747 | Messenger in MAC | binary search brute force constructive algorithms data structures dp sortings | Statement | C | Codeforces Round 932 (Div. 2) {1935} | PROGRAMMING | 1500.0 | Codeforces Round #932 (Div. 2) Editorial | |
| 5591 | Birthday Gift | bitmasks brute force constructive algorithms greedy implementation | Statement | D | Codeforces Round 936 (Div. 2) {1946} | PROGRAMMING | 1750.0 | Codeforces Round #936 (Div. 2) Editorial | |
| 30908 | Special Characters | brute force constructive algorithms | Statement | A | Educational Codeforces Round 163 (Rated for Div. 2) {1948} | PROGRAMMING | Educational Codeforces Round 163 Editorial | ||
| 4466 | No Palindromes | brute force constructive algorithms greedy hashing implementation strings | Statement | E | Codeforces Global Round 25 {1951} | PROGRAMMING | 2250.0 | Codeforces Global Round 25 Editorial | |
| 899 | Help, what does it mean to be "Based" | brute force combinatorics constructive algorithms games implementation sortings | Statement | J | April Fools Day Contest 2024 {1952} | PROGRAMMING | April Fools Day Contest 2024 Editorial | ||
| 1514 | The Most Reckless Defense | bitmasks brute force constructive algorithms dp flows graph matchings | Statement | H | Codeforces Round 938 (Div. 3) {1955} | PROGRAMMING | 128243 | ||
| 4753 | Nene and the Mex Operator | bitmasks brute force constructive algorithms divide and conquer dp greedy implementation | Statement | D | Codeforces Round 939 (Div. 2) {1956} | PROGRAMMING | 1750.0 | [Editorial] Codeforces Round 939 (Div. 2) | |
| 937 | Arithmancy (Easy) | brute force constructive algorithms interactive strings | Statement | D1 | Helvetic Coding Contest 2024 online mirror (teams allowed, unrated) {1970} | PROGRAMMING | Helvetic Coding Contest 2024 Editorial | 2100 | |
| 598 | Balanced Unshuffle (Medium) | brute force constructive algorithms trees | Statement | A2 | Helvetic Coding Contest 2024 online mirror (teams allowed, unrated) {1970} | PROGRAMMING | Helvetic Coding Contest 2024 Editorial | 2400 | |
| 7833 | Fixing a Binary String | bitmasks brute force constructive algorithms greedy hashing strings | Statement | D | Codeforces Round 951 (Div. 2) {1979} | PROGRAMMING | 2000.0 | Codeforces Round 951 (Div. 2) Editorial | |
| 49058 | Only Pluses | brute force constructive algorithms greedy math sortings | Statement | A | Codeforces Round 957 (Div. 3) {1992} | PROGRAMMING | Shayan's Video Tutorial | ||
| 10727 | Novice's Mistake | brute force constructive algorithms math strings | Statement | E | Codeforces Round 957 (Div. 3) {1992} | PROGRAMMING | Shayan's Video Tutorial | ||
| 1182 | Dyn-scripted Robot (Easy Version) | brute force chinese remainder theorem constructive algorithms math number theory | Statement | F1 | Codeforces Round 963 (Div. 2) {1993} | PROGRAMMING | 2500.0 | Editorial of Codeforces Round 963 (Div. 2) | |
| 10254 | Squaring | brute force constructive algorithms data structures greedy implementation math number theory | Statement | C | Codeforces Round 961 (Div. 2) {1995} | PROGRAMMING | 1750.0 | Video Tutorial | |
| 6354 | Longest Max Min Subsequence | brute force constructive algorithms greedy two pointers | Statement | D | Codeforces Round 967 (Div. 2) {2001} | PROGRAMMING | 2000.0 | Video Tutorial | |
| 17655 | Black Circles | brute force constructive algorithms geometry greedy math | Statement | C | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} | PROGRAMMING | 1000.0 | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) Editorial | |
| 637 | Turtle and Inversions (Hard Version) | brute force constructive algorithms data structures dp greedy two pointers | Statement | E2 | Codeforces Round 968 (Div. 2) {2003} | PROGRAMMING | 1000.0 | sol-zh.pdf | |
| 164 | Dora's Paint | brute force combinatorics constructive algorithms graphs | Statement | F | Codeforces Round 969 (Div. 1) {2006} | PROGRAMMING | 3000.0 | Tutorial | |
| 41681 | Sakurako's Exam | brute force constructive algorithms greedy math | Statement | A | Codeforces Round 970 (Div. 3) {2008} | PROGRAMMING | Codeforces Round 970 (Div. 3) Editorial | ||
| 14481 | Password Cracking | brute force constructive algorithms interactive strings | Statement | C | Codeforces Round 973 (Div. 2) {2013} | PROGRAMMING | 1250.0 | 134298 | |
| 1369 | C+K+S | brute force constructive algorithms dfs and similar graphs greedy hashing math strings | Statement | C | Codeforces Round 980 (Div. 1) {2023} | PROGRAMMING | 1500.0 | 135341 | |
| 3520 | Common Generator | brute force constructive algorithms greedy math number theory | Statement | E | Refact.ai Match 1 (Codeforces Round 985) {2029} | PROGRAMMING | 2500.0 | Refact.ai Match 1 (Codeforces Round 985) Editorial | |
| 23626 | Minimise Oneness | brute force combinatorics constructive algorithms | Statement | B | Codeforces Round 979 (Div. 2) {2030} | PROGRAMMING | 500.0 | Codeforces Round 979 Editorial | |
| 15665 | Penchick and BBQ Buns | brute force constructive algorithms math number theory | Statement | C | Codeforces Round 987 (Div. 2) {2031} | PROGRAMMING | 1500.0 | Codeforces Round 987 (Div. 2) Editorial | |
| 2015 | Permutations Harmony | brute force combinatorics constructive algorithms greedy hashing implementation math | Statement | E | Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} | PROGRAMMING | 2000.0 | Rayan 2024 Selection Round Editorial | |
| 5833 | Non Prime Tree | brute force constructive algorithms dfs and similar greedy number theory trees two pointers | Statement | D | Codeforces Round 992 (Div. 2) {2040} | PROGRAMMING | 2000.0 | Codeforces Round #992 (Div.2) Editorial | |
| 18867 | pspspsps | brute force constructive algorithms implementation | Statement | B | Codeforces Round 994 (Div. 2) {2049} | PROGRAMMING | 750.0 | Codeforces Round #994 (Div. 2) Editorial | |
| 348 | Stop Gaming (Hard Version) | brute force constructive algorithms data structures | Statement | E2 | Codeforces Round 1002 (Div. 2) {2059} | PROGRAMMING | 1500.0 | 139094 | |
| 12478 | Customer Service | brute force constructive algorithms graph matchings greedy math sortings | Statement | C | Codeforces Round 1002 (Div. 2) {2059} | PROGRAMMING | 1500.0 | 139094 | |
| 882 | Stop Gaming (Easy Version) | brute force constructive algorithms greedy hashing | Statement | E1 | Codeforces Round 1002 (Div. 2) {2059} | PROGRAMMING | 1500.0 | 139094 | |
| 18705 | Cost of the Array | brute force constructive algorithms greedy math | Statement | B | Codeforces Round 1002 (Div. 2) {2059} | PROGRAMMING | 1000.0 | 139094 | |
| 14621 | Kevin and Geometry | brute force constructive algorithms data structures geometry greedy implementation math two pointers | Statement | B | IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} | PROGRAMMING | 1000.0 | IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial | |
| 18288 | Cirno and Operations | brute force constructive algorithms | Statement | C | Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} | PROGRAMMING | 1000.0 | Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial | |
| 17669 | Remove the Ends | brute force constructive algorithms dp greedy | Statement | C | Codeforces Round 1005 (Div. 2) {2064} | PROGRAMMING | 1250.0 | Codeforces Round 1005 (Div. 2) Editorial | |
| 55215 | Skibidus and Amog'u | brute force constructive algorithms implementation strings | Statement | A | Codeforces Round 1003 (Div. 4) {2065} | PROGRAMMING | Video Tutorial | ||
| 20785 | Perfecto | brute force constructive algorithms greedy math probabilities | Statement | B | Codeforces Round 1007 (Div. 2) {2071} | PROGRAMMING | 1000.0 | Codeforces Round 1007 (Div. 2) Editorial | |
| 8765 | Arcology On Permafrost | binary search brute force constructive algorithms greedy math | Statement | D | Teza Round 1 (Codeforces Round 1015, Div. 1 + Div. 2) {2084} | PROGRAMMING | 1750.0 | 141155 | |
| 3119 | Serval and Modulo | brute force constructive algorithms math number theory | Statement | E | Codeforces Round 1011 (Div. 2) {2085} | PROGRAMMING | 2500.0 | Codeforces Round #1011 (Div. 2) Editorial | |
| 142 | Online Palindrome | brute force constructive algorithms interactive | Statement | F | Educational Codeforces Round 177 (Rated for Div. 2) {2086} | PROGRAMMING | Educational Codeforces Round 177 Editorial | ||
| 1492 | Gleb and Boating | brute force constructive algorithms data structures dp graphs greedy math shortest paths | Statement | G | Codeforces Round 1013 (Div. 3) {2091} | PROGRAMMING | Codeforces Round 1013 (Div. 3) Editorial | ||
| 6827 | Mishkin Energizer | brute force constructive algorithms greedy implementation strings | Statement | D | Codeforces Round 1014 (Div. 2) {2092} | PROGRAMMING | 1750.0 | Codeforces Round #1014 (Div. 2) Editorial | |
| 428 | Andryusha and CCB | brute force constructive algorithms greedy math number theory strings | Statement | F | Codeforces Round 1014 (Div. 2) {2092} | PROGRAMMING | 3000.0 | Codeforces Round #1014 (Div. 2) Editorial | |
| 32923 | Bobritto Bandito | brute force constructive algorithms | Statement | B | Codeforces Round 1017 (Div. 4) {2094} | PROGRAMMING | Codeforces Round 1017 (Div. 4) Editorial |