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8118 Kalevitch and Chess brute force constructive algorithms Statement A Codeforces Beta Round 7 {7} PROGRAMMING 1300
3895 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
598 Safe cracking brute force constructive algorithms Statement C Codeforces Beta Round 41 {42} PROGRAMMING Solution of task е, Codeforces beta round #41 2200
1255 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
2914 String brute force constructive algorithms hashing implementation string suffix structures strings Statement B Codeforces Beta Round 94 (Div. 1 Only) {128} PROGRAMMING 3219 2200
30711 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
5385 Hometask brute force constructive algorithms greedy math Statement B Codeforces Round 131 (Div. 2) {214} PROGRAMMING Codeforces Round #131 Tutorial 1600
10636 Mountain Scenery brute force constructive algorithms implementation Statement A Codeforces Round 134 (Div. 2) {218} PROGRAMMING Editorial for Codeforces Round #134 1100
2845 Beauty Pageant brute force constructive algorithms greedy Statement C Codeforces Round 151 (Div. 2) {246} PROGRAMMING Codeforces Round #151 (Div. 2) Tutorial 1600
27968 Array brute force constructive algorithms implementation Statement A Codeforces Round 181 (Div. 2) {300} PROGRAMMING English Tutorial 1200
5247 Strange Addition brute force constructive algorithms implementation Statement A Codeforces Round 184 (Div. 2) {305} PROGRAMMING 7712 1600
436 Lucky Tickets brute force constructive algorithms Statement C Codeforces Round 194 (Div. 1) {333} PROGRAMMING Codeforces Round 194 — Editoral 2800
880 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
720 Broken Monitor brute force constructive algorithms greedy implementation Statement D Codeforces Round 217 (Div. 2) {370} PROGRAMMING Codeforces Round #217 (Div. 2): tutorial 2100
6420 Searching for Graph brute force constructive algorithms graphs Statement C Codeforces Round 236 (Div. 2) {402} PROGRAMMING Editorial Codeforces Round #236 1500
9565 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
629 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
4188 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
2124 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
1055 Little Victor and Set brute force constructive algorithms math Statement D Codeforces Round 262 (Div. 2) {460} PROGRAMMING 13465 2500
43564 Fedor and New Game bitmasks brute force constructive algorithms implementation Statement B Codeforces Round 267 (Div. 2) {467} PROGRAMMING Разбор задач 1200
852 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
8489 Towers brute force constructive algorithms greedy implementation sortings Statement B Codeforces Round 274 (Div. 2) {479} PROGRAMMING Codeforces Round #274: editorial 1400
2264 Candy Boxes brute force constructive algorithms math Statement B Codeforces Round 278 (Div. 2) {488} PROGRAMMING Tutorial 1800
6235 Secret Combination brute force constructive algorithms implementation Statement B Codeforces Round 283 (Div. 2) {496} PROGRAMMING 15208 1500
8181 Removing Columns brute force constructive algorithms implementation Statement C Codeforces Round 283 (Div. 2) {496} PROGRAMMING 15208 1600
2528 Weird Chess brute force constructive algorithms implementation Statement D Codeforces Round 300 {538} PROGRAMMING Codeforces Round #300 Editorial (+challenges) 1800
4069 ZgukistringZ brute force constructive algorithms implementation strings Statement B Codeforces Round 307 (Div. 2) {551} PROGRAMMING Tutorial 1800
4864 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
1116 Rat Kwesh and Cheese brute force constructive algorithms math Statement D Codeforces Round 341 (Div. 2) {621} PROGRAMMING Editorial 2200
14914 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
4413 Alice, Bob, Two Teams brute force constructive algorithms Statement B Educational Codeforces Round 9 {632} PROGRAMMING 43493 1400
7301 A Trivial Problem brute force constructive algorithms math number theory Statement B Manthan, Codefest 16 {633} PROGRAMMING Manthan, Codefest 16: Editorials 1300
2530 Promocodes with Mistakes *special brute force constructive algorithms implementation Statement C VK Cup 2016 - Qualification Round 1 {637} PROGRAMMING 1800
3198 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
3803 Amity Assessment brute force constructive algorithms implementation Statement A CROC 2016 - Elimination Round {645} PROGRAMMING Editorial for CROC 2016 Elimination Round 1200
18801 Holidays brute force constructive algorithms greedy math Statement A Codeforces Round 350 (Div. 2) {670} PROGRAMMING Codeforces Round #350 (Div.2) Editorial 1000
936 Restore a Number brute force constructive algorithms strings Statement F Codeforces Round 350 (Div. 2) {670} PROGRAMMING Codeforces Round #350 (Div.2) Editorial 2200
7751 Restoring Painting brute force constructive algorithms math Statement B Codeforces Round 353 (Div. 2) {675} PROGRAMMING Tutorial 1400
5507 Mike and Cellphone brute force constructive algorithms implementation Statement A Codeforces Round 361 (Div. 2) {689} PROGRAMMING Tutorial 1400
2952 Hidden Word brute force constructive algorithms implementation strings Statement C Canada Cup 2016 {725} PROGRAMMING Canada Cup Editorial 1600
90697 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
13552 Vladik and fractions brute force constructive algorithms math number theory Statement C Codeforces Round 384 (Div. 2) {743} PROGRAMMING Codeforces Round #384 Editorial 1500
8976 Parallelogram is Back brute force constructive algorithms geometry Statement B Codeforces Round 388 (Div. 2) {749} PROGRAMMING Tutorial 1300
1454 Interactive Bulls and Cows (Easy) brute force constructive algorithms implementation Statement B Testing Round 13 {753} PROGRAMMING 1600
465 Interactive Bulls and Cows (Hard) brute force constructive algorithms interactive Statement C Testing Round 13 {753} PROGRAMMING 2400
1118 Vladik and chat brute force constructive algorithms dp implementation strings Statement C Codeforces Round 390 (Div. 2) {754} PROGRAMMING 2200
15201 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
4223 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
24077 Mike and palindrome brute force constructive algorithms strings Statement A Codeforces Round 410 (Div. 2) {798} PROGRAMMING Codeforces Round #410 (Div. 2) Editorial 1100
1643 Karen and Test brute force combinatorics constructive algorithms math Statement B Codeforces Round 419 (Div. 1) {815} PROGRAMMING Codeforces Round #419 Editorial 2200
5639 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
14633 Fraction brute force constructive algorithms math Statement A Codeforces Round 433 (Div. 2, based on Olympiad of Metropolises) {854} PROGRAMMING 900
1639 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
5052 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
1335 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
7352 Three Garlands brute force constructive algorithms Statement C Educational Codeforces Round 35 (Rated for Div. 2) {911} PROGRAMMING 1400
4252 Permutation Cycle brute force constructive algorithms Statement C ICM Technex 2018 and Codeforces Round 463 (Div. 1 + Div. 2, combined) {932} PROGRAMMING 57796 1600
3488 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
9842 Row brute force constructive algorithms Statement A Codeforces Round 484 (Div. 2) {982} PROGRAMMING Editorial 1200
1517 Sonya and Matrix brute force constructive algorithms implementation Statement D Codeforces Round 495 (Div. 2) {1004} PROGRAMMING 60443 2200
6715 Relatively Prime Graph brute force constructive algorithms graphs greedy math Statement D Educational Codeforces Round 47 (Rated for Div. 2) {1009} PROGRAMMING 60630 1700
2325 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
17682 Ehab and another construction problem brute force constructive algorithms Statement A Codeforces Round 525 (Div. 2) {1088} PROGRAMMING Codeforces round #525 editorial 800
11036 New Year and the Treasure Geolocation brute force constructive algorithms greedy implementation Statement B Good Bye 2018 {1091} PROGRAMMING Editorial 1200
1816 Nice table brute force constructive algorithms greedy math Statement B Codeforces Round 530 (Div. 1) {1098} PROGRAMMING 64331 2300
13075 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
1034 Inverse of Rows and Columns brute force constructive algorithms Statement G Codeforces Round 555 (Div. 3) {1157} PROGRAMMING 66737 2800
1047 Magical Permutation bitmasks brute force constructive algorithms data structures graphs math Statement E Codeforces Round 558 (Div. 2) {1163} PROGRAMMING 66943 2800
3032 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
4545 Archaeology brute force constructive algorithms greedy strings Statement E Codeforces Global Round 4 {1178} PROGRAMMING E 1900
3282 K-th Path brute force constructive algorithms shortest paths sortings Statement F Codeforces Round 575 (Div. 3) {1196} PROGRAMMING Editorial 2500
29257 Three Piles of Candies brute force constructive algorithms math Statement A Codeforces Round 575 (Div. 3) {1196} PROGRAMMING Editorial 700
5499 Two Small Strings brute force constructive algorithms Statement E Codeforces Round 582 (Div. 3) {1213} PROGRAMMING Codeforces Round #582 (Div. 3) Editorial 2000
5458 Complete Tripartite brute force constructive algorithms graphs hashing implementation Statement D Codeforces Round 589 (Div. 2) {1228} PROGRAMMING 70162 1800
8384 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
2819 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
6069 Beautiful Sequence brute force constructive algorithms greedy Statement B Codeforces Round 604 (Div. 1) {1264} PROGRAMMING 71995 1900
1074 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
1794 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
2023 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
1618 Madhouse (Easy version) brute force constructive algorithms interactive math Statement C1 Codeforces Round 612 (Div. 1) {1286} PROGRAMMING Codeforces Round #612 - Editorial 2400
767 Madhouse (Hard version) brute force constructive algorithms hashing interactive math Statement C2 Codeforces Round 612 (Div. 1) {1286} PROGRAMMING Codeforces Round #612 - Editorial 2900
370 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
6809 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
18854 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
14675 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
2837 Construct the Binary Tree brute force constructive algorithms dfs and similar trees Statement E Codeforces Round 624 (Div. 3) {1311} PROGRAMMING 74224 2400
11815 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
19273 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
1836 Road to 1600 brute force constructive algorithms Statement E Codeforces Round 632 (Div. 2) {1333} PROGRAMMING 2000.0 Codeforces Round #632 (Div. 2) editorial
4165 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
18117 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
3482 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
1425 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
13666 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
4893 Binary Median bitmasks brute force constructive algorithms Statement H Codeforces Round 644 (Div. 3) {1360} PROGRAMMING Codeforces Round #644 (Div. 3) Editorial 2100
14496 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
8454 Maximum Subsequence Value brute force constructive algorithms Statement E Codeforces Round 648 (Div. 2) {1365} PROGRAMMING 2000.0 Editorial — Codeforces Round #648 1900
21687 Codeforces Subsequences brute force constructive algorithms greedy math strings Statement B Codeforces Global Round 8 {1368} PROGRAMMING 1000.0 Codeforces Global Round 8: editorial
25246 GCD Compression brute force constructive algorithms math number theory Statement B Codeforces Round 651 (Div. 2) {1370} PROGRAMMING 1000.0 Editorial — Codeforces Round #651
5902 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
55142 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
2985 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
1426 Cyclic Shifts Sorting brute force constructive algorithms implementation Statement F Codeforces Round 653 (Div. 3) {1374} PROGRAMMING 79517
2547 Integer Game brute force constructive algorithms games interactive math Statement F Codeforces Global Round 9 {1375} PROGRAMMING 2000.0 79731
10210 Replace by MEX brute force constructive algorithms implementation Statement D Codeforces Global Round 9 {1375} PROGRAMMING 1750.0 79731
823 Rearrange brute force constructive algorithms graphs greedy sortings Statement D Codeforces Round 659 (Div. 1) {1383} PROGRAMMING 1750.0 Codeforces Round #659 Editorial
13196 Stoned Game brute force constructive algorithms games greedy Statement B Codeforces Round 666 (Div. 1) {1396} PROGRAMMING 1000.0 Codeforces Round #666 — Editorial
28040 String Similarity brute force constructive algorithms strings Statement A Educational Codeforces Round 94 (Rated for Div. 2) {1400} PROGRAMMING 81942
6240 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)
17081 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
8191 Rock, Paper, Scissors brute force constructive algorithms flows greedy math Statement E Codeforces Round 674 (Div. 3) {1426} PROGRAMMING 83120 1800
18503 Marketing Scheme brute force constructive algorithms greedy math Statement A Educational Codeforces Round 97 (Rated for Div. 2) {1437} PROGRAMMING 84149
4468 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
1679 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
6836 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
10265 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
1464 Strange Shuffle binary search brute force constructive algorithms interactive probabilities Statement C Codeforces Round 694 (Div. 1) {1470} PROGRAMMING 1000.0 86464
12492 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
15541 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
28056 Balanced Remainders brute force constructive algorithms math Statement B Codeforces Round 702 (Div. 3) {1490} PROGRAMMING Codeforces Round #702 (Div. 3) Editorial
1316 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
2847 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
22382 Split it! brute force constructive algorithms greedy strings Statement A Codeforces Round 706 (Div. 2) {1496} PROGRAMMING 500.0 Codeforces Round #706 Editorial
433 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
12544 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
1465 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
2833 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
20814 Omkar and Bad Story brute force constructive algorithms Statement A Codeforces Round 724 (Div. 2) {1536} PROGRAMMING 500.0 Codeforces Round #724 — Editorial 800
2088 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
3830 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
24390 Coin Rows brute force constructive algorithms dp implementation Statement C Educational Codeforces Round 112 (Rated for Div. 2) {1555} PROGRAMMING 93389 1300
16387 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
3182 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
6818 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
5063 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
372 Sweepstake *special brute force constructive algorithms implementation math Statement D Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
2049 Xor of 3 brute force constructive algorithms greedy Statement B Codeforces Round 743 (Div. 1) {1572} PROGRAMMING 1250.0 Tutorial 2500
126 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
18262 Distance brute force constructive algorithms Statement A Educational Codeforces Round 117 (Rated for Div. 2) {1612} PROGRAMMING 97164
24682 Divan and a Store brute force constructive algorithms greedy Statement A Codeforces Round 757 (Div. 2) {1614} PROGRAMMING 500.0 Tutorial 800
27162 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)
4872 Exact Change binary search brute force constructive algorithms greedy Statement D Educational Codeforces Round 119 (Rated for Div. 2) {1620} PROGRAMMING 98061
4655 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
17172 Meximum Array brute force constructive algorithms greedy math Statement A Codeforces Round 767 (Div. 1) {1628} PROGRAMMING 500.0 99276
21358 Anti-Fibonacci Permutation brute force constructive algorithms implementation Statement B Educational Codeforces Round 123 (Rated for Div. 2) {1644} PROGRAMMING 100227
20356 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
22848 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
7368 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
15324 Twist the Permutation brute force constructive algorithms math Statement D Codeforces Round 776 (Div. 3) {1650} PROGRAMMING 100712
987 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
3816 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)
8521 Insert a Progression brute force constructive algorithms greedy Statement D Educational Codeforces Round 127 (Rated for Div. 2) {1671} PROGRAMMING 102181
7794 Breaking the Wall binary search brute force constructive algorithms greedy math Statement E Codeforces Round 786 (Div. 3) {1674} PROGRAMMING 102482
3683 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
1716 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
23688 Cirno's Perfect Bitmasks Classroom bitmasks brute force constructive algorithms Statement A Codeforces Round 796 (Div. 2) {1688} PROGRAMMING 500.0 Tutorial
1404 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)
17361 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)
1164 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
5048 Guess The String binary search brute force constructive algorithms dsu interactive Statement D Educational Codeforces Round 130 (Rated for Div. 2) {1697} PROGRAMMING 103835
1476 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
1860 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
988 Serega the Pirate brute force constructive algorithms Statement E Codeforces Round 802 (Div. 2) {1700} PROGRAMMING 2500.0 103978 2600
2722 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
7789 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
3735 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
4229 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
17760 Bestie brute force constructive algorithms implementation math number theory Statement A Codeforces Round 830 (Div. 2) {1732} PROGRAMMING 750.0 108327 1000
8599 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
10638 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
39652 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
7926 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
1238 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
671 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
9377 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
1358 Bracket Insertion brute force combinatorics constructive algorithms dp math trees Statement F VK Cup 2022 - Отборочный раунд (Engine) {1781} PROGRAMMING 3250.0 Tutorial
1963 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
9037 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
12911 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
15535 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
15910 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
8748 Sequence Master brute force constructive algorithms math Statement C Codeforces Round 858 (Div. 2) {1806} PROGRAMMING 1750.0 Codeforces Round #858 (Div. 2) Editorial
5207 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
15229 Flipper brute force constructive algorithms Statement D Codeforces Round 874 (Div. 3) {1833} PROGRAMMING 116636
2843 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
4815 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
10478 Array Painting brute force constructive algorithms dp greedy Statement D Educational Codeforces Round 152 (Rated for Div. 2) {1849} PROGRAMMING 118752
31670 Escalator Conversations brute force constructive algorithms implementation math Statement A Codeforces Round 888 (Div. 3) {1851} PROGRAMMING 118667
3235 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
7719 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
549 Most Different Tree brute force constructive algorithms dfs and similar greedy hashing Statement F Codeforces Round 897 (Div. 2) {1867} PROGRAMMING 4000.0
1603 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
17556 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
1247 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
19233 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
27874 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
17441 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
15024 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
8791 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
1727 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)
9865 Mathematical Problem brute force constructive algorithms implementation math strings Statement D Good Bye 2023 {1916} PROGRAMMING 1500.0
701 Permutation of Given brute force constructive algorithms Statement G Codeforces Round 922 (Div. 2) {1918} PROGRAMMING 3250.0 Codeforces Round #922 (Div. 2) Editorial
2135 Vlad and Avoiding X bitmasks brute force constructive algorithms dfs and similar dp implementation Statement F Codeforces Round 928 (Div. 4) {1926} PROGRAMMING 126132
17848 Permutation Printing brute force constructive algorithms math Statement B think-cell Round 1 {1930} PROGRAMMING 1000.0 think-cell Round 1 Editorial
377 Weird LCM Operations brute force constructive algorithms Statement E Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 3250.0 Tutorial
9898 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
5673 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
31270 Special Characters brute force constructive algorithms Statement A Educational Codeforces Round 163 (Rated for Div. 2) {1948} PROGRAMMING Educational Codeforces Round 163 Editorial
4582 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
910 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
1554 The Most Reckless Defense bitmasks brute force constructive algorithms dp flows graph matchings Statement H Codeforces Round 938 (Div. 3) {1955} PROGRAMMING 128243
4854 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)
966 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
621 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
7950 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
50012 Only Pluses brute force constructive algorithms greedy math sortings Statement A Codeforces Round 957 (Div. 3) {1992} PROGRAMMING Shayan's Video Tutorial
10962 Novice's Mistake brute force constructive algorithms math strings Statement E Codeforces Round 957 (Div. 3) {1992} PROGRAMMING Shayan's Video Tutorial
1213 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)
10420 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
6574 Longest Max Min Subsequence brute force constructive algorithms greedy two pointers Statement D Codeforces Round 967 (Div. 2) {2001} PROGRAMMING 2000.0 Video Tutorial
17959 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
653 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
172 Dora's Paint brute force combinatorics constructive algorithms graphs Statement F Codeforces Round 969 (Div. 1) {2006} PROGRAMMING 3000.0 Tutorial
42256 Sakurako's Exam brute force constructive algorithms greedy math Statement A Codeforces Round 970 (Div. 3) {2008} PROGRAMMING Codeforces Round 970 (Div. 3) Editorial
14826 Password Cracking brute force constructive algorithms interactive strings Statement C Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 1250.0 134298
1399 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
3591 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
23976 Minimise Oneness brute force combinatorics constructive algorithms Statement B Codeforces Round 979 (Div. 2) {2030} PROGRAMMING 500.0 Codeforces Round 979 Editorial
15954 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
2048 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
5933 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
19192 pspspsps brute force constructive algorithms implementation Statement B Codeforces Round 994 (Div. 2) {2049} PROGRAMMING 750.0 Codeforces Round #994 (Div. 2) Editorial
353 Stop Gaming (Hard Version) brute force constructive algorithms data structures Statement E2 Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 1500.0 139094
12811 Customer Service brute force constructive algorithms graph matchings greedy math sortings Statement C Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 1500.0 139094
904 Stop Gaming (Easy Version) brute force constructive algorithms greedy hashing Statement E1 Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 1500.0 139094
19084 Cost of the Array brute force constructive algorithms greedy math Statement B Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 1000.0 139094
14926 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
18663 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
18096 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
56704 Skibidus and Amog'u brute force constructive algorithms implementation strings Statement A Codeforces Round 1003 (Div. 4) {2065} PROGRAMMING Video Tutorial
21237 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
9089 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
3206 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
1557 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
6988 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
437 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
33704 Bobritto Bandito brute force constructive algorithms Statement B Codeforces Round 1017 (Div. 4) {2094} PROGRAMMING Codeforces Round 1017 (Div. 4) Editorial