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< 1 2 3 4Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 8222 | Check the string | implementation | Statement | A | 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 | 1200 | |
| 10081 | Tetris | implementation | Statement | A | Educational Codeforces Round 41 (Rated for Div. 2) {961} | PROGRAMMING | Educational Codeforces Round 41 Editorial | 900 | |
| 12834 | Equator | implementation | Statement | A | Educational Codeforces Round 42 (Rated for Div. 2) {962} | PROGRAMMING | Educational Codeforces Round 42 Editorial | 1300 | |
| 4576 | Battleship | implementation | Statement | B | Codeforces Round 476 (Div. 2) [Thanks, Telegram!] {965} | PROGRAMMING | Analysis of Codeforces Round #476 (Div. 2) [Thanks, Telegram!] | 1300 | |
| 4374 | Mind the Gap | implementation | Statement | A | Codeforces Round 477 (rated, Div. 2, based on VK Cup 2018 Round 3) {967} | PROGRAMMING | Разбор VK 2018 Round 3 + Codeforces Round #477 | 1200 | |
| 10558 | Minimum Binary Number | implementation | Statement | A | Educational Codeforces Round 43 (Rated for Div. 2) {976} | PROGRAMMING | 59195 | 800 | |
| 170814 | Wrong Subtraction | implementation | Statement | A | Codeforces Round 479 (Div. 3) {977} | PROGRAMMING | Codeforces Round #479 (Div. 3) Editorial | 500 | |
| 27337 | Remove Duplicates | implementation | Statement | A | Codeforces Round 481 (Div. 3) {978} | PROGRAMMING | T | 800 | |
| 7378 | Minesweeper | implementation | Statement | B | Codeforces Round 483 (Div. 2) [Thanks, Botan Investments and Victor Shaburov!] {984} | PROGRAMMING | Codeforces Round #483 [Thanks, Botan Investments and Victor Shaburov!] Editoral | 1100 | |
| 8171 | Chess Placing | implementation | Statement | A | Educational Codeforces Round 44 (Rated for Div. 2) {985} | PROGRAMMING | Educational Codeforces Round 44 Editorial | 1200 | |
| 7403 | Switches and Lamps | implementation | Statement | B | Educational Codeforces Round 44 (Rated for Div. 2) {985} | PROGRAMMING | Educational Codeforces Round 44 Editorial | 1200 | |
| 16629 | Infinity Gauntlet | implementation | Statement | A | Codeforces Round 485 (Div. 2) {987} | PROGRAMMING | Codeforces Round #485 Editorial | 700 | |
| 5924 | Bracket Sequences Concatenation Problem | implementation | Statement | C | Educational Codeforces Round 45 (Rated for Div. 2) {990} | PROGRAMMING | Educational Codeforces Round 45 Editorial | 1500 | |
| 10642 | If at first you don't succeed... | implementation | Statement | A | Codeforces Round 491 (Div. 2) {991} | PROGRAMMING | 60181 | 1100 | |
| 14220 | Fingerprints | implementation | Statement | A | Codeforces Round 488 by NEAR (Div. 2) {994} | PROGRAMMING | Codeforces Round #488 editorial | 700 | |
| 18482 | Alphabetic Removals | implementation | Statement | C | Codeforces Round 490 (Div. 3) {999} | PROGRAMMING | 60138 | 1200 | |
| 17672 | Reversing Encryption | implementation | Statement | B | Codeforces Round 490 (Div. 3) {999} | PROGRAMMING | 60138 | 900 | |
| 27297 | Polycarp's Pockets | implementation | Statement | A | Codeforces Round 494 (Div. 3) {1003} | PROGRAMMING | 60417 | 700 | |
| 11246 | Sonya and Hotels | implementation | Statement | A | Codeforces Round 495 (Div. 2) {1004} | PROGRAMMING | 60443 | 900 | |
| 23876 | Tanya and Stairways | implementation | Statement | A | Codeforces Round 496 (Div. 3) {1005} | PROGRAMMING | Codeforces Round 496 (Div. 3): Problem Tutorials | 700 | |
| 6011 | Two Strings Swaps | implementation | Statement | D | Codeforces Round 498 (Div. 3) {1006} | PROGRAMMING | 60672 | 1700 | |
| 21675 | Adjacent Replacements | implementation | Statement | A | Codeforces Round 498 (Div. 3) {1006} | PROGRAMMING | 60672 | 700 | |
| 11824 | Game Shopping | implementation | Statement | A | Educational Codeforces Round 47 (Rated for Div. 2) {1009} | PROGRAMMING | 60630 | 800 | |
| 11624 | Obtaining the String | implementation | Statement | B | Codeforces Round 501 (Div. 3) {1015} | PROGRAMMING | 60949 | 1300 | |
| 21056 | Points in Segments | implementation | Statement | A | Codeforces Round 501 (Div. 3) {1015} | PROGRAMMING | 60949 | 700 | |
| 20559 | The Rank | implementation | Statement | A | Codeforces Round 502 (in memory of Leopoldo Taravilse, Div. 1 + Div. 2) {1017} | PROGRAMMING | Разбор (англ.) | 700 | |
| 10904 | Find Square | implementation | Statement | A | AIM Tech Round 5 (rated, Div. 1 + Div. 2) {1028} | PROGRAMMING | 61493 | 800 | |
| 9464 | Vasya and Golden Ticket | implementation | Statement | C | Technocup 2019 - Elimination Round 1 {1030} | PROGRAMMING | Сodeforces Round 512 (and Technocup — Elimination Round 1) Editorial | 1300 | |
| 134211 | In Search of an Easy Problem | implementation | Statement | A | Technocup 2019 - Elimination Round 1 {1030} | PROGRAMMING | Сodeforces Round 512 (and Technocup — Elimination Round 1) Editorial | 500 | |
| 6293 | Lost Array | implementation | Statement | B | Codeforces Round 519 by Botan Investments {1043} | PROGRAMMING | Codeforces Round #519 Editorial | 1300 | |
| 119 | Grid Sort | implementation | Statement | E | Lyft Level 5 Challenge 2018 - Final Round {1044} | PROGRAMMING | Lyft Level 5 Challenge 2018 — Final Round — Editorial | 3100 | |
| 2795 | Splitting money | implementation | Statement | F | Bubble Cup 11 - Finals [Online Mirror, Div. 2] {1046} | PROGRAMMING | E | 1500 | |
| 6608 | Appending Mex | implementation | Statement | B | Mail.Ru Cup 2018 Round 1 {1054} | PROGRAMMING | Editorial | 1100 | |
| 9102 | Elevator or Stairs? | implementation | Statement | A | Mail.Ru Cup 2018 Round 1 {1054} | PROGRAMMING | Editorial | 800 | |
| 6677 | Determine Line | implementation | Statement | A | Mail.Ru Cup 2018 Round 3 {1056} | PROGRAMMING | Mail.Ru Cup 2018 Round 3 Editorial | 1000 | |
| 12891 | Cashier | implementation | Statement | A | Codeforces Round 514 (Div. 2) {1059} | PROGRAMMING | Codeforces Round #514 (Div. 2) Editorial | 1000 | |
| 7093 | Forgery | implementation | Statement | B | Codeforces Round 514 (Div. 2) {1059} | PROGRAMMING | Codeforces Round #514 (Div. 2) Editorial | 1300 | |
| 9709 | Books Queries | implementation | Statement | C | Codeforces Round 515 (Div. 3) {1066} | PROGRAMMING | 62419 | 1400 | |
| 4955 | Video Posts | implementation | Statement | K | 2018-2019 ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {1070} | PROGRAMMING | Solution to problem M. Algoland and Berland of 2018-2019 ICPC, NEERC | 1200 | |
| 4058 | Masha and two friends | implementation | Statement | C | Codeforces Round 524 (Div. 2) {1080} | PROGRAMMING | Codeforces Round #524 (Div. 2) Editorial | 1600 | |
| 6359 | The Pleasant Walk | implementation | Statement | M | 2018-2019 Russia Open High School Programming Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1090} | PROGRAMMING | 1200 | ||
| 16330 | Uniform String | implementation | Statement | A | Codeforces Round 527 (Div. 3) {1092} | PROGRAMMING | Codeforces Round #527 (Div. 3) Editorial | 800 | |
| 22196 | Array Stabilization | implementation | Statement | B | Codeforces Round 529 (Div. 3) {1095} | PROGRAMMING | Codeforces Round #529 (Div. 3) Editorial | 1000 | |
| 7585 | Circular Dance | implementation | Statement | D | Codeforces Round 529 (Div. 3) {1095} | PROGRAMMING | Codeforces Round #529 (Div. 3) Editorial | 1600 | |
| 4137 | Almost Regular Bracket Sequence | implementation | Statement | E | Codeforces Round 529 (Div. 3) {1095} | PROGRAMMING | Codeforces Round #529 (Div. 3) Editorial | 1900 | |
| 31923 | Repeating Cipher | implementation | Statement | A | Codeforces Round 529 (Div. 3) {1095} | PROGRAMMING | Codeforces Round #529 (Div. 3) Editorial | 700 | |
| 12935 | Snowball | implementation | Statement | A | Codeforces Round 530 (Div. 2) {1099} | PROGRAMMING | E | 900 | |
| 10177 | Roman and Browser | implementation | Statement | A | Codeforces Round 532 (Div. 2) {1100} | PROGRAMMING | Unofficial Tutorial | 1000 | |
| 7949 | Polycarp's New Job | implementation | Statement | E | Educational Codeforces Round 58 (Rated for Div. 2) {1101} | PROGRAMMING | 64483 | 1500 | |
| 12365 | Lunar New Year and Cross Counting | implementation | Statement | A | Codeforces Round 536 (Div. 2) {1106} | PROGRAMMING | Tutorial | 800 | |
| 21898 | Two distinct points | implementation | Statement | A | Codeforces Round 535 (Div. 3) {1108} | PROGRAMMING | 64751 | 800 | |
| 12243 | Tanya and Candies | implementation | Statement | B | Codeforces Round 540 (Div. 3) {1118} | PROGRAMMING | 65396 | 1300 | |
| 2000 | System Testing | implementation | Statement | C | Codeforces Round 543 (Div. 2, based on Technocup 2019 Final Round) {1121} | PROGRAMMING | Codeforces Round #543 and Technocup 2019 Final Round Editorial | 1900 | |
| 11656 | Be Positive | implementation | Statement | A | Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 2) {1130} | PROGRAMMING | 65520 | 900 | |
| 17604 | Middle of the Contest | implementation | Statement | A | Codeforces Round 544 (Div. 3) {1133} | PROGRAMMING | Codeforces Round #544 (Div. 3) Editorial | 1000 | |
| 16438 | Nastya Is Reading a Book | implementation | Statement | A | Codeforces Round 546 (Div. 2) {1136} | PROGRAMMING | Editorial of Round #546(Div.2) | 700 | |
| 12355 | Detective Book | implementation | Statement | A | Educational Codeforces Round 62 (Rated for Div. 2) {1140} | PROGRAMMING | Educational Codeforces Round 62 Editorial | 1000 | |
| 21460 | Maximal Continuous Rest | implementation | Statement | B | Codeforces Round 547 (Div. 3) {1141} | PROGRAMMING | 66062 | 1000 | |
| 13286 | The Doors | implementation | Statement | A | Codeforces Round 549 (Div. 2) {1143} | PROGRAMMING | Codeforces Round #549 Editorial | 700 | |
| 8665 | Thanos Sort | implementation | Statement | A | April Fools Day Contest 2019 {1145} | PROGRAMMING | 66327 | ||
| 1162 | Pigeon d'Or | implementation | Statement | D | April Fools Day Contest 2019 {1145} | PROGRAMMING | 66327 | ||
| 15715 | Reachable Numbers | implementation | Statement | A | Codeforces Round 555 (Div. 3) {1157} | PROGRAMMING | 66737 | 1100 | |
| 8281 | Zoning Restrictions Again | implementation | Statement | A | Codeforces Round 557 (Div. 2) [based on Forethought Future Cup - Final Round] {1162} | PROGRAMMING | Forethought Future Cup Final Round Tutorial | 800 | |
| 5779 | Digits Sequence (Easy Edition) | implementation | Statement | A | Testing Round 15 (Unrated) {1177} | PROGRAMMING | 1100 | ||
| 24976 | Nearest Interesting Number | implementation | Statement | A | Codeforces Round 570 (Div. 3) {1183} | PROGRAMMING | Tutorial | 900 | |
| 2548 | Parallel Universes (Easy) | implementation | Statement | D1 | Helvetic Coding Contest 2019 online mirror (teams allowed, unrated) {1184} | PROGRAMMING | helvetic-coding-contest-2019-editorial.pdf | 1600 | |
| 2302 | Heidi and the Turing Test (Easy) | implementation | Statement | C1 | Helvetic Coding Contest 2019 online mirror (teams allowed, unrated) {1184} | PROGRAMMING | helvetic-coding-contest-2019-editorial.pdf | 1700 | |
| 37836 | Vus the Cossack and a Contest | implementation | Statement | A | Codeforces Round 571 (Div. 2) {1186} | PROGRAMMING | E | 600 | |
| 10320 | Yet Another Crosses Problem | implementation | Statement | B | Educational Codeforces Round 68 (Rated for Div. 2) {1194} | PROGRAMMING | Разбор Educational Codeforces Round 68 | 1300 | |
| 9359 | Robot Breakout | implementation | Statement | C | Codeforces Round 575 (Div. 3) {1196} | PROGRAMMING | Editorial | 1500 | |
| 10582 | RGB Substring (easy version) | implementation | Statement | D1 | Codeforces Round 575 (Div. 3) {1196} | PROGRAMMING | Editorial | 1500 | |
| 14950 | City Day | implementation | Statement | A | Codeforces Round 576 (Div. 2) {1199} | PROGRAMMING | E | 1000 | |
| 16730 | Circle of Students | implementation | Statement | A | Codeforces Round 579 (Div. 3) {1203} | PROGRAMMING | Codeforces Round #579 (Div. 3) Editorial | 1100 | |
| 670 | Harvester | implementation | Statement | G | Bubble Cup 12 - Finals [Online Mirror, unrated, Div. 2] {1219} | PROGRAMMING | E | 2000 | |
| 11939 | TV Subscriptions (Easy Version) | implementation | Statement | B1 | Technocup 2020 - Elimination Round 2 {1225} | PROGRAMMING | 70898 | 1000 | |
| 18813 | Social Network (easy version) | implementation | Statement | B1 | Codeforces Round 590 (Div. 3) {1234} | PROGRAMMING | Codeforces Round #590 (Div. 3) Editorial | 1000 | |
| 1052 | The World Is Just a Programming Task (Hard Version) | implementation | Statement | B | Codeforces Round 594 (Div. 1) {1239} | PROGRAMMING | Editorial of Codeforces Round #594 (on the problems of Moscow Team Olympiad) | 2500 | |
| 15718 | Maximum Square | implementation | Statement | A | Codeforces Round 599 (Div. 2) {1243} | PROGRAMMING | Codeforces Round #599 Editorial | 800 | |
| 4090 | Berstagram | implementation | Statement | A | 2019-2020 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules, Teams Preferred) {1250} | PROGRAMMING | 1400 | ||
| 18104 | Single Push | implementation | Statement | A | Codeforces Round 600 (Div. 2) {1253} | PROGRAMMING | Editorial | 1000 | |
| 13445 | Happy Birthday, Polycarp! | implementation | Statement | A | Codeforces Round 606 (Div. 2, based on Technocup 2020 Elimination Round 4) {1277} | PROGRAMMING | Technocup 2020 — Elimination Round 4 + Codeforces Round 606: Editorial | 1000 | |
| 18023 | Suffix Three | implementation | Statement | A | Codeforces Round 607 (Div. 2) {1281} | PROGRAMMING | Codeforces Round #607 Editorial | 600 | |
| 12169 | Dead Pixel | implementation | Statement | A | Codeforces Round 623 (Div. 2, based on VK Cup 2019-2020 - Elimination Round, Engine) {1315} | PROGRAMMING | 500.0 | VK Cup 2019-2020 - Elimination Round (Engine) and Codeforces Round #623 | 700 |
| 18729 | Grade Allocation | implementation | Statement | A | CodeCraft-20 (Div. 2) {1316} | PROGRAMMING | 500.0 | Codecraft-20 (Div.2) Editorial | 700 |
| 18807 | Dreamoon and Ranking Collection | implementation | Statement | A | Codeforces Round 631 (Div. 2) - Thanks, Denis aramis Shitov! {1330} | PROGRAMMING | 500.0 | Codeforces Round #631 Editorial | 1000 |
| 11898 | Again? | implementation | Statement | D | April Fools Day Contest 2020 {1331} | PROGRAMMING | April Fools Day Contest 2020: editorial | ||
| 24219 | A+B (Trial Problem) | implementation | Statement | A | Testing Round 16 (Unrated) {1351} | PROGRAMMING | 500.0 | 800 | |
| 26419 | Alice, Bob and Candies | implementation | Statement | D | Codeforces Round 640 (Div. 4) {1352} | PROGRAMMING | 77161 | 1300 | |
| 24466 | Johnny and Ancient Computer | implementation | Statement | A | Codeforces Round 647 (Div. 2) - Thanks, Algo Muse! {1362} | PROGRAMMING | 500.0 | Codeforces Round #647 Editorial | 1000 |