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1 2 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 18799 | Longest Regular Bracket Sequence | constructive algorithms data structures dp greedy sortings strings | Statement | C | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 1900 | |
| 3033 | Ball | data structures sortings | Statement | D | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 2400 | ||
| 972 | Map | data structures implementation sortings | Statement | D | Codeforces Beta Round 15 {15} | PROGRAMMING | Короткий разбор задач CF #15 | 2500 | |
| 891 | Parade | data structures sortings | Statement | E | Codeforces Beta Round 35 (Div. 2) {35} | PROGRAMMING | 2300 | ||
| 479 | Cannon | data structures geometry sortings | Statement | E | Codeforces Beta Round 44 (Div. 2) {47} | PROGRAMMING | Codeforces Beta Round #44: tutorial | 2100 | |
| 2902 | Domino Principle | binary search data structures sortings | Statement | E | Codeforces Beta Round 52 (Div. 2) {56} | PROGRAMMING | CodeForces Beta Round #52 :: Разбор задач | 2100 | |
| 662 | Lucky Tickets | binary search data structures sortings two pointers | Statement | C | Codeforces Beta Round 64 {70} | PROGRAMMING | Analysis Codeforces Beta Round #64 | 2200 | |
| 911 | General Mobilization | data structures dfs and similar sortings | Statement | C | Yandex.Algorithm 2011: Qualification 2 {82} | PROGRAMMING | 1889 | 1900 | |
| 2622 | Time to Raid Cowavans | brute force data structures sortings | Statement | D | Codeforces Beta Round 80 (Div. 1 Only) {103} | PROGRAMMING | Tutorial | 2200 | |
| 980 | Mushroom Gnomes - 2 | binary search data structures probabilities sortings | Statement | C | Codeforces Beta Round 99 (Div. 1) {138} | PROGRAMMING | Codeforces Beta Round #99: editorial | 2500 | |
| 1101 | Zebra Tower | *special data structures greedy sortings | Statement | E | VK Cup 2012 Qualification Round 2 {159} | PROGRAMMING | Simple solution to vk cup Qualification Round 1 and 2 | 2100 | |
| 714 | Buses and People | binary search data structures sortings | Statement | E | Codeforces Round 111 (Div. 2) {160} | PROGRAMMING | Codeforces Round #111 (Div. 2) Разбор Задач | 2400 | |
| 766 | Camping Groups | data structures sortings | Statement | E | Croc Champ 2012 - Round 1 {173} | PROGRAMMING | Croc Champ 2012 — Round 1 — Editorial | 2600 | |
| 1797 | Counter Attack | data structures dsu graphs hashing sortings | Statement | E | Codeforces Round 120 (Div. 2) {190} | PROGRAMMING | Codeforces Round #120 (Div.2) — editorial | 2300 | |
| 589 | Gripping Story | binary search data structures sortings | Statement | E | Codeforces Round 125 (Div. 1) {198} | PROGRAMMING | Solutions for Codeforces Round #125 | 2400 | |
| 4748 | Blood Cousins Return | binary search data structures dfs and similar dp sortings | Statement | E | Codeforces Round 151 (Div. 2) {246} | PROGRAMMING | Codeforces Round #151 (Div. 2) Tutorial | 2300 | |
| 600 | Donkey and Stars | data structures dp geometry math sortings | Statement | D | Codeforces Round 152 (Div. 1) {249} | PROGRAMMING | Разбор задач Codeforces Round #152 | 2600 | |
| 613 | Printer | binary search data structures implementation sortings | Statement | E | Codeforces Round 154 (Div. 2) {253} | PROGRAMMING | Codeforces Round #154 (Div. 2) — tutorial | 2300 | |
| 535 | Maximum Waterfall | data structures dp graphs sortings | Statement | D | Codeforces Round 165 (Div. 1) {269} | PROGRAMMING | Разбор Codeforces Round #165 | 2500 | |
| 41868 | Little Girl and Maximum Sum | data structures greedy implementation sortings | Statement | C | Codeforces Round 169 (Div. 2) {276} | PROGRAMMING | Codeforces Round #169 — Unofficial Editorial | 1600 | |
| 500 | Tourists | data structures sortings | Statement | D | Codeforces Round 176 (Div. 1) {286} | PROGRAMMING | Tutorial | 2500 | |
| 534 | Optimizer | data structures greedy sortings | Statement | B | Testing Round 6 {306} | PROGRAMMING | 2000 | ||
| 620 | Sereja and Straight Lines | binary search data structures geometry sortings two pointers | Statement | D | Codeforces Round 187 (Div. 1) {314} | PROGRAMMING | Codeforces Round #187 tutorial | 2400 | |
| 1562 | Oh Sweet Beaverette | data structures sortings | Statement | A2 | ABBYY Cup 3.0 - Finals (online version) {331} | PROGRAMMING | ABBYY Cup 3.0 — Finals. Solutions | 1600 | |
| 1050 | Students' Revenge | data structures greedy sortings | Statement | C | Codeforces Round 193 (Div. 2) {332} | PROGRAMMING | 8447 | 2200 | |
| 320 | Looking for Owls | binary search data structures geometry hashing sortings | Statement | D | Codeforces Round 203 (Div. 2) {350} | PROGRAMMING | Editorial Codeforces Round #203 (Div. 2) | 2600 | |
| 5464 | Maximum Submatrix 2 | data structures dp implementation sortings | Statement | B | Codeforces Round 221 (Div. 1) {375} | PROGRAMMING | Codeforces Round #221 Tutorial | 1800 | |
| 2554 | Preparing for the Contest | binary search data structures greedy sortings | Statement | B | Codeforces Round 222 (Div. 1) {377} | PROGRAMMING | Codeforces Round #222 — Problem Analysis | 2100 | |
| 700 | Bug in Code | binary search data structures sortings | Statement | D | Coder-Strike 2014 - Finals (online edition, Div. 2) {421} | PROGRAMMING | Editorial Coder-Strike 2014 Finals | 2100 | |
| 13285 | Pashmak and Parmida's problem | data structures divide and conquer sortings | Statement | D | Codeforces Round 261 (Div. 2) {459} | PROGRAMMING | Codeforces Round #261 Editorial | 1800 | |
| 4387 | Pillars | binary search data structures dp sortings trees | Statement | E | Codeforces Round 271 (Div. 2) {474} | PROGRAMMING | Codeforces Round #271 (Div. 2) Editorial | 2200 | |
| 7555 | Vasya and Basketball | binary search brute force data structures implementation sortings two pointers | Statement | C | Codeforces Round 281 (Div. 2) {493} | PROGRAMMING | Codeforces Round #281 (Div. 2) Editorial | 1700 | |
| 6091 | Misha and Forest | constructive algorithms data structures greedy sortings trees | Statement | C | Codeforces Round 285 (Div. 2) {501} | PROGRAMMING | Tutorial | 1700 | |
| 44280 | A and B and Compilation Errors | data structures implementation sortings | Statement | B | Codeforces Round 294 (Div. 2) {519} | PROGRAMMING | 1200 | ||
| 1366 | Rooks and Rectangles | data structures sortings | Statement | E | VK Cup 2015 - Round 1 {524} | PROGRAMMING | 2400 | ||
| 5106 | Clique Problem | data structures dp greedy implementation sortings | Statement | D | Codeforces Round 296 (Div. 2) {527} | PROGRAMMING | Codeforces Round #296 Editorial | 2100 | |
| 1887 | A Heap of Heaps | brute force data structures math sortings | Statement | F | Codeforces Round 300 {538} | PROGRAMMING | Codeforces Round #300 Editorial (+challenges) | 2200 | |
| 2588 | Infinite Inversions | binary search data structures implementation sortings trees | Statement | E | Codeforces Round 301 (Div. 2) {540} | PROGRAMMING | Tutorial | 2400 | |
| 645 | Place Your Ad Here | data structures sortings | Statement | A | VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only) {542} | PROGRAMMING | 17697 | 2500 | |
| 4879 | Vanya and Triangles | brute force combinatorics data structures geometry math sortings | Statement | D | Codeforces Round 308 (Div. 2) {552} | PROGRAMMING | Codeforces #308 (Div. 2) Editorial | 1900 | |
| 4139 | Case of Fugitive | data structures greedy sortings | Statement | B | Codeforces Round 310 (Div. 1) {555} | PROGRAMMING | Codeforces Round #310 Editorial | 2100 | |
| 4255 | Arthur and Table | brute force data structures dp greedy math sortings | Statement | C | Codeforces Round 311 (Div. 2) {557} | PROGRAMMING | Codeforces Round #311 (Div.2) Editorial | 1900 | |
| 1234 | Guess Your Way Out! II | data structures implementation sortings | Statement | D | Codeforces Round 312 (Div. 2) {558} | PROGRAMMING | Codeforces Round #312 (Div. 2) Editorial | 2500 | |
| 7672 | A Simple Task | data structures sortings strings | Statement | E | Codeforces Round 312 (Div. 2) {558} | PROGRAMMING | Codeforces Round #312 (Div. 2) Editorial | 2600 | |
| 5313 | One-Dimensional Battle Ships | binary search data structures greedy sortings | Statement | D | Codeforces Round #Pi (Div. 2) {567} | PROGRAMMING | Editorial Codeforces Round #Pi | 1800 | |
| 9091 | Order Book | data structures greedy implementation sortings | Statement | B | Codeforces Round 317 [AimFund Thanks-Round] (Div. 2) {572} | PROGRAMMING | Codeforces Round #317 [AimFund Thanks-Round] Editorial | 1400 | |
| 40710 | Queries about less or equal elements | binary search data structures sortings two pointers | Statement | B | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 1300 | |
| 930 | New Year and Three Musketeers | data structures greedy sortings | Statement | E | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 2300 | |
| 4475 | Report | data structures sortings | Statement | C | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 1700 | |
| 3436 | Spy Syndrome 2 | data structures dp hashing implementation sortings string suffix structures strings | Statement | C | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 1900 | |
| 24353 | Chat Order | *special binary search constructive algorithms data structures sortings | Statement | B | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 1500 | ||
| 1102 | Bear and Contribution | data structures greedy sortings | Statement | D | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 2500 | |
| 1022 | Hostname Aliases | *special binary search data structures implementation sortings strings | Statement | C | CROC 2016 - Qualification {644} | PROGRAMMING | 2300 | ||
| 184 | Автобус | binary search data structures greedy sortings | Statement | E | Технокубок 2016 - Отборочный Раунд 2 {649} | PROGRAMMING | 2500.0 | 2100 | |
| 4982 | Nested Segments | data structures sortings | Statement | D | Educational Codeforces Round 10 {652} | PROGRAMMING | Editorial of Educational Codeforces Round 10 | 1900 | |
| 3895 | Money Transfers | constructive algorithms data structures greedy sortings | Statement | C | Codeforces Round 353 (Div. 2) {675} | PROGRAMMING | Tutorial | 2000 | |
| 1156 | Dividing Kingdom II | brute force data structures dsu graphs sortings | Statement | D | Codeforces Round 360 (Div. 1) {687} | PROGRAMMING | Codeforces Round #360 Editorial [+ Challenges!] | 2500 | |
| 337 | Slalom | data structures dp sortings | Statement | D | Russian Code Cup 2016 - Finals [Unofficial Mirror, Div. 1 Only Recommended] {720} | PROGRAMMING | Russian Code Cup 2016 — Results and Tutorial | 3100 | |
| 2403 | Subordinates | constructive algorithms data structures graphs greedy sortings | Statement | E | Technocup 2017 - Elimination Round 2 {729} | PROGRAMMING | Technocup 2017 — Elimination Round 2 (and Codeforces Round 380) Editorial | 2000 | |
| 1305 | 80-th Level Archeology | brute force data structures greedy sortings | Statement | D | Codeforces Round 376 (Div. 2) {731} | PROGRAMMING | 47840 | 2200 | |
| 2808 | Gosha is hunting | brute force data structures dp flows math probabilities sortings | Statement | E | Codeforces Round 381 (Div. 1) {739} | PROGRAMMING | 48582 | 2900 | |
| 2734 | Fedor and coupons | binary search data structures greedy sortings | Statement | D | Codeforces Round 390 (Div. 2) {754} | PROGRAMMING | 2000 | ||
| 13039 | PolandBall and Game | binary search data structures games greedy sortings strings | Statement | B | 8VC Venture Cup 2017 - Elimination Round {755} | PROGRAMMING | 8VC Venture Cup 2017 — Elimination Round [Editorial] | 1200 | |
| 2477 | Felicity is Coming! | data structures hashing sortings strings | Statement | C | Codecraft-17 and Codeforces Round 391 (Div. 1 + Div. 2, combined) {757} | PROGRAMMING | CodeCraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined) Editorial | 1900 | |
| 2443 | Cartons of milk | binary search data structures greedy sortings two pointers | Statement | D | Codeforces Round 398 (Div. 2) {767} | PROGRAMMING | Codeforces Round #398 (Div. 2) Editorial | 2000 | |
| 586 | Blog Post Rating | data structures sortings | Statement | E | VK Cup 2017 - Round 3 {773} | PROGRAMMING | VK Cup 2017 Round 3 + Codeforces Round #412 -- Tutorial | 2900 | |
| 10019 | Game of Credit Cards | data structures dp greedy sortings | Statement | B | Codeforces Round 401 (Div. 2) {777} | PROGRAMMING | Problem analysis of Codeforces Round #401 (Div. 2) | 1300 | |
| 4891 | Hanoi Factory | brute force data structures dp greedy sortings | Statement | E | Codeforces Round 401 (Div. 2) {777} | PROGRAMMING | Problem analysis of Codeforces Round #401 (Div. 2) | 2000 | |
| 1540 | Mice and Holes | data structures dp greedy sortings | Statement | F | Educational Codeforces Round 19 {797} | PROGRAMMING | 51588 | 2600 | |
| 558 | Mike and code of a permutation | constructive algorithms data structures graphs sortings | Statement | E | Codeforces Round 410 (Div. 2) {798} | PROGRAMMING | Codeforces Round #410 (Div. 2) Editorial | 2700 | |
| 6573 | Imbalanced Array | data structures divide and conquer dsu sortings | Statement | D | Educational Codeforces Round 23 {817} | PROGRAMMING | 52638 | 2000 | |
| 4362 | String Reconstruction | data structures greedy sortings strings | Statement | A | Codeforces Round 423 (Div. 1, rated, based on VK Cup Finals) {827} | PROGRAMMING | Codeforces Round #423 Analysis | 1700 | |
| 3064 | Cards Sorting | data structures implementation sortings | Statement | B | Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} | PROGRAMMING | Codeforces Round #424 Editorial | 1800 | |
| 1345 | Bamboo Partition | brute force data structures implementation math number theory sortings two pointers | Statement | C | Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} | PROGRAMMING | Codeforces Round #424 Editorial | 2500 | |
| 304 | Caramel Clouds | data structures dp sortings | Statement | E | Codeforces Round 426 (Div. 1) {833} | PROGRAMMING | Codeforces Round #426 Editorial | 3100 | |
| 14535 | Two TVs | data structures greedy sortings | Statement | C | Educational Codeforces Round 27 {845} | PROGRAMMING | 53986 | 1500 | |
| 2017 | Rooter's Song | constructive algorithms data structures geometry implementation sortings two pointers | Statement | B | Codeforces Round 431 (Div. 1) {848} | PROGRAMMING | Codeforces Round #431 Editorial | 2100 | |
| 4235 | Polycarp's phone book | data structures implementation sortings | Statement | D | Технокубок 2018 - Отборочный Раунд 1 {858} | PROGRAMMING | Codeforces Round 434 Div.1+Div.2 (and Technocup 2018 — Elimination Round 1) Editorial | 1700 | |
| 2321 | Mahmoud and Ehab and the function | binary search data structures sortings | Statement | E | Codeforces Round 435 (Div. 2) {862} | PROGRAMMING | Codeforces round #435 editorial | 2200 | |
| 4296 | Turn Off The TV | data structures sortings | Statement | E | Educational Codeforces Round 29 {863} | PROGRAMMING | Editorial | 2000 | |
| 5159 | Too Easy Problems | binary search brute force data structures greedy sortings | Statement | D | Hello 2018 {913} | PROGRAMMING | Tutorial | 1800 | |
| 5835 | Physical Education Lessons | data structures implementation sortings | Statement | E | Educational Codeforces Round 36 (Rated for Div. 2) {915} | PROGRAMMING | 57123 | 2300 | |
| 13113 | Minimize the error | data structures greedy sortings | Statement | B | Divide by Zero 2018 and Codeforces Round 474 (Div. 1 + Div. 2, combined) {960} | PROGRAMMING | Divide by Zero 2018 and Codeforces Round #474 (Div. 1 + Div. 2, combined) Editorial | 1500 | |
| 2132 | Leaving the Bar | brute force data structures geometry greedy math sortings | Statement | C | Codeforces Round 492 (Div. 1) [Thanks, uDebug!] {995} | PROGRAMMING | Editorial for Codeforces Round #492 [Thanks u-Debug!] | 2200 | |
| 8708 | Covered Points Count | data structures implementation sortings | Statement | C | Educational Codeforces Round 46 (Rated for Div. 2) {1000} | PROGRAMMING | 60288 | 1700 | |
| 13184 | Reorder the Array | combinatorics data structures math sortings two pointers | Statement | A | Codeforces Round 497 (Div. 1) {1007} | PROGRAMMING | Editorial for Codeforces Round #497 by Skyglow | 1300 | |
| 1605 | Leaf Sets | data structures dfs and similar dsu graphs greedy sortings trees | Statement | F | Codeforces Round 510 (Div. 2) {1042} | PROGRAMMING | Tutorial | 2400 | |
| 2594 | TV Shows | data structures greedy implementation sortings | Statement | D | Codeforces Round 523 (Div. 2) {1061} | PROGRAMMING | Tutorial (en) | 2000 | |
| 987 | Katya and Segments Sets | data structures interactive sortings | Statement | F | Codeforces Round 524 (Div. 2) {1080} | PROGRAMMING | Codeforces Round #524 (Div. 2) Editorial | 2700 | |
| 1116 | New Year and the Acquaintance Estimation | binary search data structures graphs greedy implementation math sortings | Statement | E | Good Bye 2018 {1091} | PROGRAMMING | Editorial | 2400 | |
| 1030 | Morse Code | binary search data structures dp hashing sortings string suffix structures strings | Statement | C | Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 1) {1129} | PROGRAMMING | 65520 | 2300 | |
| 10507 | Playlist | brute force data structures sortings | Statement | C | Educational Codeforces Round 62 (Rated for Div. 2) {1140} | PROGRAMMING | Educational Codeforces Round 62 Editorial | 1600 | |
| 7055 | Two Teams | data structures implementation sortings | Statement | E | Codeforces Round 552 (Div. 3) {1154} | PROGRAMMING | Codeforces Round #552 (Div. 3) Editorial | 1800 | |
| 2321 | Permutation recovery | constructive algorithms data structures dfs and similar graphs greedy math sortings | Statement | C | Codeforces Round 559 (Div. 1) {1158} | PROGRAMMING | 66993 | 2300 | |
| 24791 | Polycarp Training | data structures greedy sortings | Statement | B | Codeforces Round 560 (Div. 3) {1165} | PROGRAMMING | Codeforces Round #560 (Div. 3) Editorial | 1000 | |
| 1922 | Scalar Queries | combinatorics data structures math sortings | Statement | F | Educational Codeforces Round 65 (Rated for Div. 2) {1167} | PROGRAMMING | 67058 | 2300 | |
| 2893 | Irrigation | binary search data structures implementation sortings trees two pointers | Statement | D | Codeforces Round 567 (Div. 2) {1181} | PROGRAMMING | Editorial of Codeforces Round #567 (based on All-Russian olympiad in the name of Keldysh) | 2100 | |
| 3065 | Subarray Sorting | data structures sortings | Statement | D | Educational Codeforces Round 67 (Rated for Div. 2) {1187} | PROGRAMMING | Разбор Educational Codeforces Round 67 | 2200 | |
| 2724 | Tokitsukaze and Strange Rectangle | data structures divide and conquer sortings two pointers | Statement | D | Codeforces Round 573 (Div. 1) {1190} | PROGRAMMING | E | 2200 | |
| 2102 | Count The Rectangles | bitmasks brute force data structures geometry sortings | Statement | E | Educational Codeforces Round 68 (Rated for Div. 2) {1194} | PROGRAMMING | Разбор Educational Codeforces Round 68 | 2200 | |
| 1100 | Geometers Anonymous Club | data structures geometry math sortings | Statement | F | Codeforces Round 574 (Div. 2) {1195} | PROGRAMMING | Разбор Codeforces Round #574 (Div. 2) | 2700 | |
| 1900 | Culture Code | binary search combinatorics data structures dp shortest paths sortings | Statement | E | Educational Codeforces Round 69 (Rated for Div. 2) {1197} | PROGRAMMING | E | 2300 | |
| 10087 | Welfare State | binary search brute force data structures sortings | Statement | B | Codeforces Round 576 (Div. 1) {1198} | PROGRAMMING | E | 1600 | |
| 1302 | Choose a Square | binary search data structures sortings | Statement | F | Educational Codeforces Round 73 (Rated for Div. 2) {1221} | PROGRAMMING | Разбор Educational Codeforces Round 73 | 2500 | |
| 24036 | Balanced Tunnel | data structures sortings two pointers | Statement | B | Codeforces Global Round 5 {1237} | PROGRAMMING | T | 1300 | |
| 533 | Adilbek and the Watering System | data structures greedy sortings | Statement | G | Educational Codeforces Round 74 (Rated for Div. 2) {1238} | PROGRAMMING | Educational Codeforces Round 74 Editorial | 2700 | |
| 5915 | Too Many Segments (hard version) | data structures greedy sortings | Statement | D2 | Codeforces Round 595 (Div. 3) {1249} | PROGRAMMING | Codeforces Round #595 (Div. 3) Editorial | 2000 | |
| 3164 | Antenna Coverage | data structures dp greedy sortings | Statement | E | Codeforces Round 600 (Div. 2) {1253} | PROGRAMMING | Editorial | 2200 | |
| 8236 | Yet Another Monster Killing Problem | binary search data structures dp greedy sortings two pointers | Statement | D | Educational Codeforces Round 76 (Rated for Div. 2) {1257} | PROGRAMMING | Educational Codeforces Round 76 Editorial | 1700 | |
| 3471 | Portals | data structures dp greedy implementation sortings | Statement | D | Codeforces Round 608 (Div. 2) {1271} | PROGRAMMING | 72247 | 2100 | |
| 11589 | New Year and Ascent Sequence | binary search combinatorics data structures dp implementation sortings | Statement | B | Hello 2020 {1284} | PROGRAMMING | Hello 2020 Editorial | 1500 | |
| 3446 | New Year and Conference | binary search data structures hashing sortings | Statement | D | Hello 2020 {1284} | PROGRAMMING | Hello 2020 Editorial | 2100 | |
| 2031 | 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 | |
| 127 | Movie Fan | *special data structures greedy implementation sortings | Statement | F | Kotlin Heroes: Episode 3 {1297} | PROGRAMMING | Kotlin Heroes: Episode 3 Editorial | ||
| 7425 | Cow and Fields | binary search data structures dfs and similar graphs greedy shortest paths sortings | Statement | D | Codeforces Round 621 (Div. 1 + Div. 2) {1307} | PROGRAMMING | 2000.0 | Codeforces Round #621 (Div. 1 + Div. 2) Editorial | 1900 |
| 5732 | Recommendations | data structures greedy sortings | Statement | A | VK Cup 2019-2020 - Elimination Round (Engine) {1310} | PROGRAMMING | 500.0 | VK Cup 2019-2020 - Elimination Round (Engine) and Codeforces Round #623 | 1700 |
| 4923 | Moving Points | data structures divide and conquer implementation sortings | Statement | F | Codeforces Round 624 (Div. 3) {1311} | PROGRAMMING | 74224 | 2100 | |
| 22702 | Journey Planning | data structures math sortings | Statement | A | Codeforces Round 625 (Div. 1, based on Technocup 2020 Final Round) {1320} | PROGRAMMING | 500.0 | Codeforces Round #625 Editorial | |
| 3443 | World of Darkraft: Battle for Azathoth | data structures sortings | Statement | C | Codeforces Round 625 (Div. 1, based on Technocup 2020 Final Round) {1320} | PROGRAMMING | 1500.0 | Codeforces Round #625 Editorial | |
| 4718 | Present | binary search bitmasks constructive algorithms data structures math sortings | Statement | B | Codeforces Round 626 (Div. 1, based on Moscow Open Olympiad in Informatics) {1322} | PROGRAMMING | 1000.0 | Codeforces Round #626 Editorial | |
| 34960 | Pair of Topics | binary search data structures sortings two pointers | Statement | D | Codeforces Round 627 (Div. 3) {1324} | PROGRAMMING | Codeforces Round #627 (Div. 3) Editorial | ||
| 1838 | Drazil Likes Heap | constructive algorithms data structures greedy implementation sortings | Statement | C | Codeforces Round 631 (Div. 1) - Thanks, Denis aramis Shitov! {1329} | PROGRAMMING | 1500.0 | Codeforces Round #631 Editorial | 2400 |
| 6389 | Multiple Testcases | binary search constructive algorithms data structures greedy sortings two pointers | Statement | D | Educational Codeforces Round 86 (Rated for Div. 2) {1342} | PROGRAMMING | 76633 | 1900 | |
| 20617 | Constructing the Array | constructive algorithms data structures sortings | Statement | D | Codeforces Round 642 (Div. 3) {1353} | PROGRAMMING | Codeforces Round #642 (Div. 3) Editorial | 1600 | |
| 2491 | DeadLee | constructive algorithms data structures graphs greedy implementation sortings | Statement | E | Codeforces Round 652 (Div. 2) {1369} | PROGRAMMING | 2500.0 | Codeforces Round #652 (Div. 2) Editorial | 2400 |
| 1126 | Reading Books (hard version) | binary search data structures greedy sortings ternary search two pointers | Statement | E2 | Codeforces Round 653 (Div. 3) {1374} | PROGRAMMING | 79517 | ||
| 15105 | Reading Books (easy version) | data structures greedy implementation sortings | Statement | E1 | Codeforces Round 653 (Div. 3) {1374} | PROGRAMMING | 79517 | ||
| 6169 | Choosing flowers | binary search data structures greedy math sortings two pointers | Statement | C | Codeforces Round 657 (Div. 2) {1379} | PROGRAMMING | 1250.0 | Codeforces Round #657 Editorial | 2000 |
| 1173 | New Passenger Trams | brute force data structures sortings two pointers | Statement | D | Codeforces Round 657 (Div. 2) {1379} | PROGRAMMING | 1500.0 | Codeforces Round #657 Editorial | 2400 |
| 157 | Mixture | *special data structures geometry math sortings | Statement | B | Baltic Olympiad in Informatics 2020, Day 1 (IOI, Unofficial Mirror Contest, Unrated) {1386} | PROGRAMMING | T | ||
| 670 | Uncle Bogdan and Projections | data structures geometry sortings | Statement | E | Codeforces Round 660 (Div. 2) {1388} | PROGRAMMING | 2750.0 | Codeforces Round #660 Editorial | 2700 |
| 1293 | Bicolored Segments | data structures dp graph matchings greedy sortings | Statement | F | Educational Codeforces Round 92 (Rated for Div. 2) {1389} | PROGRAMMING | 80809 | ||
| 11095 | Pinkie Pie Eats Patty-cakes | binary search constructive algorithms data structures greedy math sortings | Statement | C | Codeforces Round 662 (Div. 2) {1393} | PROGRAMMING | 1500.0 | Codeforces Round #662 Editorial | |
| 2636 | Two Types of Spells | binary search data structures greedy implementation math sortings | Statement | E | Educational Codeforces Round 93 (Rated for Div. 2) {1398} | PROGRAMMING | Educational Codeforces Round 93 Editorial | ||
| 2678 | Divide Square | data structures divide and conquer geometry implementation sortings | Statement | E | Codeforces Round 665 (Div. 2) {1401} | PROGRAMMING | 2500.0 | Codeforces Round #665 (Div. 2) Editorial | |
| 1379 | Fancy Fence | *special data structures dp dsu math sortings | Statement | A | Central-European Olympiad in Informatics, CEOI 2020, Day 1 (IOI, Unofficial Mirror Contest, Unrated) {1402} | PROGRAMMING | Editorial | ||
| 359 | The Potion of Great Power | *special binary search data structures graphs interactive sortings two pointers | Statement | A | Central-European Olympiad in Informatics, CEOI 2020, Day 2 (IOI, Unofficial Mirror Contest, Unrated) {1403} | PROGRAMMING | CEOI 2020 Online Mirror — Day 2 Tutorial | ||
| 4735 | Searchlights | binary search brute force data structures dp geometry implementation sortings | Statement | D | Grakn Forces 2020 {1408} | PROGRAMMING | 2000.0 | Grakn Forces -- Editorial | |
| 6292 | Perform Easily | data structures dp implementation sortings two pointers | Statement | C | Technocup 2021 - Elimination Round 1 {1413} | PROGRAMMING | 1500.0 | Codeforces Round 679 (Div. 1, Div. 2) and Technocup Round 1 editorial | |
| 8434 | Rescue Nibel! | combinatorics data structures sortings | Statement | D | Codeforces Round 672 (Div. 2) {1420} | PROGRAMMING | 2000.0 | Editorial | |
| 3238 | Returning Home | data structures graphs implementation shortest paths sortings | Statement | D | Codeforces Round 675 (Div. 2) {1422} | PROGRAMMING | 1500.0 | Codeforces Round #675 (Div. 2) Editorial | |
| 2949 | Complicated Computations | binary search data structures sortings two pointers | Statement | E | Codeforces Round 678 (Div. 2) {1436} | PROGRAMMING | 2500.0 | Codeforces Round #678 (Div. 2). Editorial | |
| 10377 | Divide and Summarize | binary search brute force data structures divide and conquer implementation sortings | Statement | D | Codeforces Round 689 (Div. 2, based on Zed Code Competition) {1461} | PROGRAMMING | 1500.0 | Codeforces Round #689 (Div. 2). Editorial | |
| 8766 | The Treasure of The Segments | binary search data structures greedy sortings | Statement | F | Codeforces Round 690 (Div. 3) {1462} | PROGRAMMING | Codeforces Round #690 (Div. 3) Editorial | ||
| 9066 | Correct Placement | binary search data structures sortings two pointers | Statement | E | Codeforces Round 693 (Div. 3) {1472} | PROGRAMMING | Codeforces Round #693 (Div. 3) Editorial | ||
| 14338 | Array Destruction | constructive algorithms data structures greedy implementation sortings | Statement | C | Codeforces Round 696 (Div. 2) {1474} | PROGRAMMING | 1500.0 | Codeforces Round #696 Editorial | |
| 2821 | Pattern Matching | bitmasks data structures dfs and similar graphs sortings strings | Statement | E | Educational Codeforces Round 103 (Rated for Div. 2) {1476} | PROGRAMMING | 87356 | ||
| 2372 | Copy or Prefix Sum | combinatorics data structures dp sortings | Statement | F | Codeforces Round 701 (Div. 2) {1485} | PROGRAMMING | 3000.0 | Editorial of Codeforces Round #701 (Div. 2) | 2400 |
| 5193 | Cheap Dinner | data structures dp implementation sortings two pointers | Statement | E | Educational Codeforces Round 104 (Rated for Div. 2) {1487} | PROGRAMMING | 87873 | ||
| 18631 | Equalize the Array | binary search data structures greedy math sortings | Statement | F | Codeforces Round 702 (Div. 3) {1490} | PROGRAMMING | Codeforces Round #702 (Div. 3) Editorial | ||
| 5883 | GCD of an Array | data structures math number theory sortings two pointers | Statement | D | Codeforces Round 705 (Div. 2) {1493} | PROGRAMMING | 2250.0 | Codeforces Round #705 (Div.2) Editorial | |
| 26373 | Meximization | brute force data structures greedy sortings | Statement | A | Codeforces Round 708 (Div. 2) {1497} | PROGRAMMING | 500.0 | Codeforces Round #708 Editorial | 800 |
| 3911 | Travelling Salesman Problem | binary search data structures dp greedy shortest paths sortings | Statement | C | Codeforces Round 712 (Div. 1) {1503} | PROGRAMMING | 1250.0 | T | 2200 |
| 1310 | Flip the Cards | 2-sat constructive algorithms data structures dsu greedy sortings | Statement | D | Codeforces Round 712 (Div. 1) {1503} | PROGRAMMING | 1750.0 | T | 2600 |
| 988 | Chips on a Board | bitmasks brute force data structures games sortings | Statement | G | Educational Codeforces Round 107 (Rated for Div. 2) {1511} | PROGRAMMING | 89634 | ||
| 1481 | 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 | |
| 6674 | GCD and MST | constructive algorithms data structures dsu graphs implementation number theory sortings | Statement | D | Divide by Zero 2021 and Codeforces Round 714 (Div. 2) {1513} | PROGRAMMING | 2000.0 | Divide by Zero 2021 and Codeforces Round #714 (Div. 2) Editorial | |
| 5070 | Cut and Stick | binary search data structures greedy probabilities sortings | Statement | D | Codeforces Round 716 (Div. 2) {1514} | PROGRAMMING | 2000.0 | Codeforces round #716 editorial | |
| 440 | Phoenix and Diamonds | binary search data structures sortings | Statement | I | Codeforces Global Round 14 {1515} | PROGRAMMING | 5000.0 | Editorial | |
| 4991 | Robot Collisions | data structures greedy implementation sortings | Statement | C | Educational Codeforces Round 109 (Rated for Div. 2) {1525} | PROGRAMMING | 90793 | ||
| 12872 | PriceFixed | binary search data structures greedy sortings two pointers | Statement | D | Codeforces Round 727 (Div. 2) {1539} | PROGRAMMING | 1500.0 | tutorial | 1600 |
| 1071 | Strange Array | data structures greedy sortings | Statement | F | Codeforces Round 727 (Div. 2) {1539} | PROGRAMMING | 2500.0 | tutorial | 2600 |
| 3395 | Telepanting | binary search data structures dp sortings | Statement | F | Codeforces Global Round 15 {1552} | PROGRAMMING | 1500.0 | Editorial of Global Round 15 | |
| 2147 | Colors and Intervals | constructive algorithms data structures greedy sortings | Statement | E | Codeforces Global Round 15 {1552} | PROGRAMMING | 1500.0 | Editorial of Global Round 15 | |
| 4669 | Boring Segments | binary search data structures sortings two pointers | Statement | E | Educational Codeforces Round 112 (Rated for Div. 2) {1555} | PROGRAMMING | 93389 | 2100 | |
| 568 | Strange Sort | data structures sortings | Statement | F | Codeforces Round 740 (Div. 1, based on VK Cup 2021 - Final (Engine)) {1558} | PROGRAMMING | 3500.0 | Codeforces Round #740 Editorial | 3300 |
| 8366 | Seating Arrangements (hard version) | data structures greedy implementation sortings two pointers | Statement | D2 | Codeforces Global Round 16 {1566} | PROGRAMMING | 1000.0 | Codeforces Global Round 16 Editorial | |
| 14766 | Seating Arrangements (easy version) | data structures greedy sortings | Statement | D1 | Codeforces Global Round 16 {1566} | PROGRAMMING | 750.0 | Codeforces Global Round 16 Editorial | |
| 4621 | Inconvenient Pairs | data structures implementation sortings two pointers | Statement | D | Educational Codeforces Round 113 (Rated for Div. 2) {1569} | PROGRAMMING | 94721 | ||
| 1757 | Longest Array Deconstruction | data structures divide and conquer dp sortings | Statement | L | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 5275 | Another Sorting Problem | data structures sortings strings | Statement | A | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 1410 | Yet Another Sorting Problem | data structures math sortings | Statement | D | Codeforces Round 759 (Div. 2, based on Technocup 2022 Elimination Round 3) {1591} | PROGRAMMING | 2000.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 2390 | Optimal Insertion | data structures divide and conquer greedy sortings | Statement | C | Codeforces Round 751 (Div. 1) {1601} | PROGRAMMING | 2000.0 | 95865 | 2300 |
| 2042 | Difficult Mountain | data structures dp greedy sortings | Statement | D | Codeforces Round 751 (Div. 1) {1601} | PROGRAMMING | 2250.0 | 95865 | 2700 |
| 1618 | Red-Blue Matrix | constructive algorithms data structures hashing implementation sortings two pointers | Statement | D | Educational Codeforces Round 116 (Rated for Div. 2) {1606} | PROGRAMMING | 96454 | ||
| 517 | The Cells on the Paper | binary search data structures implementation sortings | Statement | E | Codeforces Round 758 (Div.1 + Div. 2) {1608} | PROGRAMMING | 2000.0 | Editorial of Codeforces Round #758 (Div.1 + Div. 2) | |
| 1994 | Trader Problem | binary search data structures dsu greedy math sortings | Statement | G | Codeforces Round 760 (Div. 3) {1618} | PROGRAMMING | Codeforces Round #760 (Div. 3) Editorial | ||
| 10341 | MEX and Increments | constructive algorithms data structures dp greedy math sortings | Statement | E | Codeforces Round 762 (Div. 3) {1619} | PROGRAMMING | Tutorial | ||
| 1952 | New School | binary search data structures greedy implementation sortings | Statement | E | Hello 2022 {1621} | PROGRAMMING | 2250.0 | ||
| 2368 | Binary Spiders | bitmasks data structures implementation sortings trees | Statement | D | Codeforces Round 765 (Div. 2) {1625} | PROGRAMMING | 2000.0 | Editorial of Codeforces Round #765 (Div. 2) | |
| 2857 | Not Escaping | data structures dp implementation shortest paths sortings two pointers | Statement | E | Codeforces Round 766 (Div. 2) {1627} | PROGRAMMING | 2000.0 | Codeforces Round #766 (Div. 2) Editorial | |
| 113 | Spaceship Crisis Management | binary search data structures geometry sortings | Statement | F | Codeforces Round 767 (Div. 1) {1628} | PROGRAMMING | 3000.0 | 99276 | |
| 3365 | Paint the Middle | data structures dp greedy sortings | Statement | C | Codeforces Round 768 (Div. 1) {1630} | PROGRAMMING | 1250.0 | Editorial of Codeforces Round #768 | |
| 1798 | Spanning Tree Queries | binary search data structures dsu graphs implementation math sortings | Statement | E | Educational Codeforces Round 122 (Rated for Div. 2) {1633} | PROGRAMMING | 99539 | ||
| 614 | Minimize Inversions Number | data structures math sortings | Statement | H | Codeforces Global Round 19 {1637} | PROGRAMMING | 4000.0 | Tutorial | |
| 22724 | Odd Swap Sort | data structures math sortings | Statement | B | Codeforces Round 771 (Div. 2) {1638} | PROGRAMMING | 750.0 | Codeforces Round #771 Editorial | |
| 2880 | Anonymity Is Important | binary search data structures dsu sortings | Statement | C | Codeforces Round 773 (Div. 1) {1641} | PROGRAMMING | 1250.0 | Codeforces Round #773 editorial | |
| 19758 | Weird Sum | combinatorics data structures geometry math matrices sortings | Statement | A | Codeforces Round 775 (Div. 1, based on Moscow Open Olympiad in Informatics) {1648} | PROGRAMMING | 500.0 | Codeforces Round #775 Editorial | |
| 4493 | Rescheduling the Exam | binary search data structures greedy implementation math sortings | Statement | E | Codeforces Round 776 (Div. 3) {1650} | PROGRAMMING | 100712 | ||
| 14641 | Alice and the Cake | constructive algorithms data structures greedy sortings | Statement | C | Codeforces Round 778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round) {1654} | PROGRAMMING | 1250.0 | Editorial of Codeforces Round #778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round) | 1400 |
| 1255 | Gojou and Matrix Game | data structures dp games math number theory sortings | Statement | E | Codeforces Round 779 (Div. 2) {1658} | PROGRAMMING | 2500.0 | Codeforces Round #779 (Div. 2) Editorial | |
| 13477 | Maximum Crossings (Hard Version) | data structures divide and conquer sortings | Statement | H2 | Codeforces Round 790 (Div. 4) {1676} | PROGRAMMING | Codeforces Round #790 (Div. 4) Editorial | ||
| 20564 | Longest Strike | data structures greedy implementation sortings two pointers | Statement | F | Codeforces Round 790 (Div. 4) {1676} | PROGRAMMING | Codeforces Round #790 (Div. 4) Editorial | ||
| 471 | MCMF? | data structures flows graphs greedy sortings two pointers | Statement | F | Codeforces Round 793 (Div. 2) {1682} | PROGRAMMING | 2750.0 | Codeforces Round #793 (Div. 2) Editorial | |
| 4215 | Count the Trains | binary search data structures sortings | Statement | G | Codeforces Round 797 (Div. 3) {1690} | PROGRAMMING | Codeforces Round #797 (Div. 3) Editorial | 2000 | |
| 7736 | Max GEQ Sum | binary search constructive algorithms data structures divide and conquer implementation sortings two pointers | Statement | D | CodeCraft-22 and Codeforces Round 795 (Div. 2) {1691} | PROGRAMMING | 1750.0 | Editorial for CodeCraft-22 and Codeforces Round #795 (Div. 2) | |
| 2162 | Number of Groups | data structures dfs and similar dsu graphs greedy sortings | Statement | E | CodeCraft-22 and Codeforces Round 795 (Div. 2) {1691} | PROGRAMMING | 2250.0 | Editorial for CodeCraft-22 and Codeforces Round #795 (Div. 2) | |
| 27820 | 2^Sort | data structures dp sortings two pointers | Statement | G | Codeforces Round 799 (Div. 4) {1692} | PROGRAMMING | Codeforces Round #799 (Div. 4) Editorial | ||
| 6320 | Permutation Restoration | binary search data structures greedy math sortings | Statement | D | Educational Codeforces Round 131 (Rated for Div. 2) {1701} | PROGRAMMING | Educational Codeforces Round 131 Editorial | ||
| 6083 | Passable Paths (hard version) | bitmasks data structures dfs and similar dp sortings trees | Statement | G2 | Codeforces Round 805 (Div. 3) {1702} | PROGRAMMING | 104763 | ||
| 6539 | Passable Paths (easy version) | data structures dfs and similar sortings trees | Statement | G1 | Codeforces Round 805 (Div. 3) {1702} | PROGRAMMING | 104763 | ||
| 31731 | Yet Another Problem About Pairs Satisfying an Inequality | binary search data structures dp greedy sortings | Statement | F | Codeforces Round 806 (Div. 4) {1703} | PROGRAMMING | 104786 | ||
| 1181 | Field Photography | bitmasks data structures sortings | Statement | F | COMPFEST 14 - Preliminary Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1725} | PROGRAMMING | Tutorial | ||
| 18052 | Minimum Notation | data structures greedy math sortings | Statement | C | Codeforces Round 823 (Div. 2) {1730} | PROGRAMMING | 1500.0 | Codeforces Round #823 — editorial | 1200 |
| 24996 | Planets | data structures data structures greedy sortings | Statement | A | Codeforces Round 823 (Div. 2) {1730} | PROGRAMMING | 500.0 | Codeforces Round #823 — editorial | 800 |
| 2979 | Multi-Colored Segments | binary search data structures math sortings | Statement | F | Codeforces Round 826 (Div. 3) {1741} | PROGRAMMING | 107908 | ||
| 16594 | Incinerate | binary search brute force data structures sortings | Statement | B | Codeforces Round 840 (Div. 2) and Enigma 2022 - Cybros LNMIIT {1763} | PROGRAMMING | 1000.0 | Codeforces Round #840 (Div. 2) and Enigma 2022 — Cybros LNMIIT Editorial | |
| 2084 | Anya's Simultaneous Exhibition | constructive algorithms data structures graphs greedy interactive sortings | Statement | E | Hello 2023 {1779} | PROGRAMMING | 2250.0 | ||
| 1978 | Three Chairs | bitmasks brute force combinatorics data structures number theory sortings | Statement | F | Codeforces Round 846 (Div. 2) {1780} | PROGRAMMING | 2000.0 | 111841 | |
| 33604 | Matryoshkas | data structures greedy sortings | Statement | D | Codeforces Round 847 (Div. 3) {1790} | PROGRAMMING | 111948 | ||
| 8345 | Fixed Prefix Permutations | binary search data structures math sortings strings | Statement | D | Educational Codeforces Round 142 (Rated for Div. 2) {1792} | PROGRAMMING | 111835 | ||
| 1370 | Velepin and Marketing | data structures dp greedy sortings | Statement | E | Codeforces Round 852 (Div. 2) {1793} | PROGRAMMING | 2500.0 | Codeforces Round #852 Editorial | |
| 4159 | Music Festival | binary search data structures dp greedy sortings | Statement | C | Codeforces Round 857 (Div. 1) {1801} | PROGRAMMING | 1250.0 | Codeforces Round #857 Editorial | |
| 7716 | Buying gifts | data structures dp greedy sortings | Statement | B | Codeforces Round 857 (Div. 1) {1801} | PROGRAMMING | 1000.0 | Codeforces Round #857 Editorial | |
| 2005 | Walk the Runway | bitmasks brute force data structures dp graphs implementation sortings | Statement | E | Codeforces Round 870 (Div. 2) {1826} | PROGRAMMING | 2500.0 | Codeforces Round #870 (Div. 2) Editorial | 2400 |
| 10589 | Ira and Flamenco | combinatorics data structures implementation sortings | Statement | F | Codeforces Round 874 (Div. 3) {1833} | PROGRAMMING | 116636 | ||
| 5645 | Survey in Class | constructive algorithms data structures greedy implementation sortings | Statement | D | Codeforces Round 879 (Div. 2) {1834} | PROGRAMMING | 1750.0 | Codeforces Round #879 Editorial | |
| 3762 | Bracket Walk | constructive algorithms data structures implementation sortings strings | Statement | D | Codeforces Round 877 (Div. 2) {1838} | PROGRAMMING | 1750.0 | Codeforces Round #877 (Div. 2) Editorial | |
| 2756 | Ball Sorting | data structures dp sortings | Statement | D | Codeforces Round 876 (Div. 2) {1839} | PROGRAMMING | 2250.0 | Codeforces Round #876 (Div. 2) Editorial | |
| 16682 | Lamps | data structures greedy sortings two pointers | Statement | B | Codeforces Round 876 (Div. 2) {1839} | PROGRAMMING | 1000.0 | Codeforces Round #876 (Div. 2) Editorial | |
| 5389 | Pairs of Segments | data structures dp greedy sortings | Statement | D | Educational Codeforces Round 150 (Rated for Div. 2) {1841} | PROGRAMMING | 117262 | ||
| 506 | Min Cost Permutation (Hard Version) | binary search data structures graphs greedy sortings | Statement | F2 | Codeforces Round 884 (Div. 1 + Div. 2) {1844} | PROGRAMMING | 1000.0 | Codeforces Round #884 (Div. 1 + Div. 2) Editorial | |
| 1113 | The Boss's Identity | binary search bitmasks data structures dfs and similar greedy math sortings | Statement | F | Codeforces Round 882 (Div. 2) {1847} | PROGRAMMING | 3000.0 | Tutorial | |
| 4307 | Professor Higashikata | brute force data structures dsu greedy implementation sortings | Statement | D | Codeforces Round 882 (Div. 2) {1847} | PROGRAMMING | 2000.0 | Tutorial | |
| 26129 | Vika and the Bridge | binary search data structures greedy implementation math sortings | Statement | B | Codeforces Round 885 (Div. 2) {1848} | PROGRAMMING | 1000.0 | Codeforces Round #885 (Div.2) Editorial | |
| 15778 | The Morning Star | combinatorics data structures geometry implementation math sortings | Statement | G | Codeforces Round 886 (Div. 4) {1850} | PROGRAMMING | Codeforces Round #886 (Div. 4) Editorial | ||
| 7777 | Lisa and the Martians | bitmasks data structures greedy math sortings strings trees | Statement | F | Codeforces Round 888 (Div. 3) {1851} | PROGRAMMING | 118667 | ||
| 4202 | Vlad and the Mountains | data structures dsu graphs implementation sortings trees two pointers | Statement | G | Codeforces Round 888 (Div. 3) {1851} | PROGRAMMING | 118667 | ||
| 8073 | Andrey and Escape from Capygrad | binary search data structures dp dsu greedy sortings two pointers | Statement | D | Codeforces Round 892 (Div. 2) {1859} | PROGRAMMING | 1750.0 | Video solutions from Geothermal. | |
| 350 | Evaluate RBS | data structures geometry sortings | Statement | F | Educational Codeforces Round 153 (Rated for Div. 2) {1860} | PROGRAMMING | Educational Codeforces Round 153 Editorial | ||
| 3524 | The Great Equalizer | data structures math sortings | Statement | G | Codeforces Round 894 (Div. 3) {1862} | PROGRAMMING | Tutorial | ||
| 3260 | Speedrun | brute force data structures dfs and similar dp graphs sortings | Statement | E | Pinely Round 2 (Div. 1 + Div. 2) {1863} | PROGRAMMING | 1750.0 | ||
| 1686 | Exotic Queries | brute force data structures implementation sortings | Statement | F | Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) {1864} | PROGRAMMING | 2500.0 | Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) Editorial | |
| 199 | Freak Joker Process | binary search data structures sortings | Statement | F | COMPFEST 15 - Preliminary Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1866} | PROGRAMMING | COMPFEST 15 Preliminary — Editorial | ||
| 13269 | Colorful Table | binary search data structures dp implementation math sortings two pointers | Statement | C | CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) {1870} | PROGRAMMING | 1500.0 | CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) Editorial | |
| 7475 | Medium Design | data structures dp sortings | Statement | C | Codeforces Round 904 (Div. 2) {1884} | PROGRAMMING | 1750.0 | Codeforces Round #904 (Div. 2) Editorial | |
| 3979 | Doremy's Drying Plan (Easy Version) | brute force data structures dp greedy sortings | Statement | C1 | Codeforces Round 906 (Div. 1) {1889} | PROGRAMMING | 750.0 | Codeforces Round 906 Editorial | |
| 2784 | Permutation Sorting | data structures divide and conquer sortings | Statement | E | CodeTON Round 7 (Div. 1 + Div. 2, Rated, Prizes!) {1896} | PROGRAMMING | 2250.0 | CodeTON Round 7 (Div. 1 + Div. 2, Rated, Prizes!) Editorial | |
| 4095 | Unusual Entertainment | data structures dfs and similar dsu shortest paths sortings trees | Statement | G | Codeforces Round 909 (Div. 3) {1899} | PROGRAMMING | Разбор Codeforces Round 909 (Div. 3) | ||
| 5428 | Robot Queries | binary search data structures geometry sortings | Statement | D | Educational Codeforces Round 159 (Rated for Div. 2) {1902} | PROGRAMMING | Educational Codeforces Round 159 Editorial | ||
| 25174 | Array Game | binary search brute force data structures sortings | Statement | C | Codeforces Round 914 (Div. 2) {1904} | PROGRAMMING | 1000.0 | Codeforces Round 914 (Div. 2) Editorial | |
| 5838 | Set To Max (Hard Version) | binary search constructive algorithms data structures dsu greedy implementation sortings two pointers | Statement | D2 | Codeforces Round 914 (Div. 2) {1904} | PROGRAMMING | 750.0 | Codeforces Round 914 (Div. 2) Editorial | |
| 13403 | Heavy Intervals | constructive algorithms data structures dsu greedy math sortings | Statement | C | Pinely Round 3 (Div. 1 + Div. 2) {1909} | PROGRAMMING | 1500.0 | Editorial of Pinely Round 3 (Div. 1 + Div. 2) | |
| 23466 | Greetings | data structures divide and conquer sortings | Statement | F | Codeforces Round 918 (Div. 4) {1915} | PROGRAMMING | 123952 | ||
| 27442 | Minimize Inversions | constructive algorithms data structures greedy implementation sortings | Statement | B | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 1000.0 | Codeforces Round #922 (Div. 2) Editorial | |
| 4631 | 01 Tree | data structures divide and conquer greedy implementation sortings trees | Statement | D | Hello 2024 {1919} | PROGRAMMING | 1500.0 | 2100 | |
| 3374 | Space Harbour | brute force data structures implementation math sortings | Statement | B | Codeforces Round 921 (Div. 1) {1924} | PROGRAMMING | 1000.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
| 8238 | Lexicographically Largest | constructive algorithms data structures greedy sortings | Statement | C | think-cell Round 1 {1930} | PROGRAMMING | 1500.0 | think-cell Round 1 Editorial | |
| 5861 | Feed Cats | data structures dp sortings | Statement | F | Codeforces Round 927 (Div. 3) {1932} | PROGRAMMING | 126196 | ||
| 9915 | 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 |