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1 2 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 2010 | Commentator problem | geometry | Statement | C | Codeforces Beta Round 2 {2} | PROGRAMMING | Codeforces Beta Round #2 - Tutorial | 2600 | |
| 8245 | Tic-tac-toe | brute force games implementation | Statement | C | Codeforces Beta Round 3 {3} | PROGRAMMING | CF beta 3: разбор и эмоции | 1700 | |
| 17350 | Alice, Bob and Chocolate | greedy two pointers | Statement | C | Codeforces Beta Round 6 (Div. 2 Only) {6} | PROGRAMMING | Round #6 - Tutorial (A,B,C,E) | 1500 | |
| 4491 | How many trees? | combinatorics divide and conquer dp | Statement | D | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | Codeforces Beta Round #9 tutorial | 2000 | |
| 2826 | Industrial Nim | games | Statement | C | Codeforces Beta Round 15 {15} | PROGRAMMING | Codeforces Beta #15 Tutorial (Incomplete) | 2000 | |
| 5873 | Tournament | bitmasks brute force dfs and similar greedy | Statement | B | Codeforces Beta Round 27 (Codeforces format, Div. 2) {27} | PROGRAMMING | Codeforces Beta #27 - Tutorial | 2000 | |
| 766 | New Game with a Chess Piece | games | Statement | D | Codeforces Beta Round 36 {36} | PROGRAMMING | Codeforces Beta Round #36 | 2200 | |
| 1089 | Computer Game | greedy implementation | Statement | B | Codeforces Beta Round 37 {37} | PROGRAMMING | Codeforces Beta Round #37 (Tutorial) | 1800 | |
| 513 | Lesson Timetable | combinatorics dp math | Statement | D | Codeforces Beta Round 37 {37} | PROGRAMMING | Codeforces Beta Round #37 (Tutorial) | 2300 | |
| 446 | Smart Boy | dp games strings | Statement | F | School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} | PROGRAMMING | Школьная индивидуальная олимпиада #1 - Codeforces Beta Round #38. (Разбор задачи D) | 2200 | |
| 1033 | What Has Dirichlet Got to Do with That? | dp games | Statement | E | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Problem K Tutorial | 2100 | |
| 700 | Ivan the Fool VS Gorynych the Dragon | dp games graphs | Statement | E | School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round 45 (ACM-ICPC Rules) {48} | PROGRAMMING | 2100 | ||
| 1824 | Pie or die | games | Statement | C | Codeforces Beta Round 51 {55} | PROGRAMMING | Round 51, A | 1900 | |
| 853 | Sweets Game | bitmasks dfs and similar dp games implementation | Statement | E | Codeforces Beta Round 59 (Div. 2) {63} | PROGRAMMING | Разбор задач Codeforces Round #59 (Div. 2) | 2200 | |
| 672 | Game | implementation | Statement | C | Codeforces Beta Round 63 (Div. 2) {69} | PROGRAMMING | Analysis Codeforces Beta Round #63 (Div. 2) | 1900 | |
| 1127 | Dot | dp games | Statement | D | Codeforces Beta Round 63 (Div. 2) {69} | PROGRAMMING | Analysis Codeforces Beta Round #63 (Div. 2) | 2100 | |
| 1633 | The Elder Trolls IV: Oblivon | greedy math | Statement | A | Codeforces Beta Round 66 {73} | PROGRAMMING | Codeforces Beta Round #66 editorial: Problems A, B, C | 1600 | |
| 1730 | Train | dp games greedy | Statement | B | Codeforces Beta Round 68 {74} | PROGRAMMING | Solutions for Codeforces Beta Round #68 | 1600 | |
| 2166 | Beaver Game | dp games number theory | Statement | C | Codeforces Beta Round 70 (Div. 2) {78} | PROGRAMMING | Solutions for Codeforces Beta Round #70 (Div. 2) | 1900 | |
| 371 | Archer's Shot | binary search geometry math two pointers | Statement | D | Codeforces Beta Round 70 (Div. 2) {78} | PROGRAMMING | Solutions for Codeforces Beta Round #70 (Div. 2) | 2400 | |
| 1681 | Interesting Game | dp games math | Statement | C | Codeforces Beta Round 73 (Div. 1 Only) {87} | PROGRAMMING | CodeForces Beta Round #73 div. 1 analysis (particulary with div. 2) | 2100 | |
| 558 | Help Shrek and Donkey | dp games math probabilities | Statement | E | Codeforces Beta Round 78 (Div. 1 Only) {98} | PROGRAMMING | Editorial | 2500 | |
| 2020 | Transmigration | implementation | Statement | A | Codeforces Beta Round 81 {105} | PROGRAMMING | Tutorial | 1600 | |
| 2957 | Put Knight! | games | Statement | E | School Regional Team Contest, Saratov, 2011 {120} | PROGRAMMING | Tutorial for school regional team contest of Saratov | 1500 | |
| 3238 | Games with Rectangle | combinatorics dp | Statement | C | Codeforces Beta Round 94 (Div. 1 Only) {128} | PROGRAMMING | 3219 | 2100 | |
| 1447 | Zero-One | constructive algorithms games greedy | Statement | C | Codeforces Beta Round 97 (Div. 1) {135} | PROGRAMMING | Codeforces Beta Round #97: editorial | 2000 | |
| 589 | World of Darkraft | dp games | Statement | D | Codeforces Beta Round 99 (Div. 1) {138} | PROGRAMMING | Codeforces Beta Round #99: editorial | 2500 | |
| 400 | Help Shrek and Donkey 2 | games | Statement | D | Codeforces Round 102 (Div. 1) {142} | PROGRAMMING | Codeforces Round #102 — Editorial | 2600 | |
| 8845 | Bag of mice | dp games math probabilities | Statement | D | Codeforces Round 105 (Div. 2) {148} | PROGRAMMING | Codeforces Round #105 (Div. 2): editorial | 1900 | |
| 8540 | Win or Freeze | games math number theory | Statement | A | Codeforces Round 107 (Div. 1) {150} | PROGRAMMING | Tutorial | 1600 | |
| 485 | Flatland Fencing | games math | Statement | D | Codeforces Round 109 (Div. 1) {154} | PROGRAMMING | Codeforces Round #109: editorial | 2300 | |
| 738 | Wizards and Numbers | games math | Statement | C | Codeforces Round 114 (Div. 1) {167} | PROGRAMMING | Codeforces Round #114 — Tutorial | 2400 | |
| 3038 | Permutations | greedy | Statement | A | Codeforces Round 119 (Div. 1) {187} | PROGRAMMING | 1600 | ||
| 1134 | Analyzing Polyline | geometry math sortings | Statement | D | Codeforces Round 123 (Div. 2) {195} | PROGRAMMING | Codeforces Round #123 (Div. 2) Разбор Задач | 1900 | |
| 6834 | Plate Game | constructive algorithms games math | Statement | A | Codeforces Round 124 (Div. 2) {197} | PROGRAMMING | Разбор задач | 1600 | |
| 875 | Special Olympics | geometry | Statement | B | Codeforces Round 125 (Div. 2) {199} | PROGRAMMING | Solutions for Codeforces Round #125 | 1900 | |
| 1106 | Football Championship | brute force implementation | Statement | C | Codeforces Round 126 (Div. 2) {200} | PROGRAMMING | Editorial of Codeforces Round #126 (Div. 2) | 1700 | |
| 1877 | Game | dfs and similar greedy | Statement | A | Codeforces Round 131 (Div. 1) {213} | PROGRAMMING | Codeforces Round #131 Tutorial | 1800 | |
| 1778 | Triangles | combinatorics graphs math | Statement | C | Codeforces Round 142 (Div. 1) {229} | PROGRAMMING | Codeforces Round #142 Problem Analysis | 2100 | |
| 5797 | Chilly Willy | math number theory | Statement | B | Codeforces Round 152 (Div. 2) {248} | PROGRAMMING | Разбор задач Codeforces Round #152 | 1400 | |
| 12220 | Physics Practical | binary search dp sortings two pointers | Statement | B | Codeforces Round 154 (Div. 2) {253} | PROGRAMMING | Codeforces Round #154 (Div. 2) — tutorial | 1400 | |
| 976 | Furlo and Rublo and Game | games implementation math | Statement | E | Codeforces Round 156 (Div. 2) {255} | PROGRAMMING | Codeforces Round #156 tutorial | 2200 | |
| 7746 | Playing Cubes | games greedy implementation | Statement | B | Codeforces Round 159 (Div. 2) {257} | PROGRAMMING | Codeforces Round #159 (Div. 2) Разбор Задач | 1400 | |
| 103744 | Games | brute force | Statement | A | Codeforces Round 164 (Div. 2) {268} | PROGRAMMING | Codeforces Round #164 (Div. 2) — Problems Analysis | 800 | |
| 395 | Dima and Game | dp games | Statement | E | Codeforces Round 167 (Div. 1) {273} | PROGRAMMING | Tutorial | 2600 | |
| 32021 | Little Girl and Game | games greedy | Statement | B | Codeforces Round 169 (Div. 2) {276} | PROGRAMMING | Codeforces Round #169 — Unofficial Editorial | 1400 | |
| 488 | Game | games implementation | Statement | C | Codeforces Round 170 (Div. 1) {277} | PROGRAMMING | Codeforces Round #170 Tutorial | 2400 | |
| 1590 | Beautiful Decomposition | dp games greedy number theory | Statement | E | Codeforces Round 171 (Div. 2) {279} | PROGRAMMING | Codeforces Round #171 (Div. 2) Разбор Задач | 2100 | |
| 1607 | Yet Another Number Game | dp games | Statement | D | Codeforces Round 173 (Div. 2) {282} | PROGRAMMING | Round #173 — Editorial | 2100 | |
| 3187 | Weird Game | games greedy | Statement | A | Croc Champ 2013 - Round 2 {293} | PROGRAMMING | Croc Champ 2013 — Round 2 — Editorial | 1500 | |
| 728 | Playing with String | games | Statement | E | Codeforces Round 184 (Div. 2) {305} | PROGRAMMING | 7712 | 2500 | |
| 1249 | Game with Powers | dp games | Statement | D | Codeforces Round 188 (Div. 1) {317} | PROGRAMMING | Analysis | 2200 | |
| 1672 | Stadium and Games | binary search math | Statement | B | MemSQL start[c]up Round 1 {325} | PROGRAMMING | Editorial | 1800 | |
| 2490 | Block Tower | constructive algorithms dfs and similar graphs | Statement | D | Codeforces Round 191 (Div. 2) {327} | PROGRAMMING | Codeforces Round #191 — Tutorial | 2000 | |
| 602 | More Reclamation | games | Statement | C | MemSQL start[c]up Round 2 - online version {335} | PROGRAMMING | MemSQL start[c]up Round 2 -- Editorial | 2100 | |
| 9318 | Alice and Bob | games math number theory | Statement | A | Codeforces Round 201 (Div. 1) {346} | PROGRAMMING | Codeforces Round #201 Editorial | 1600 | |
| 502 | Game with Strings | bitmasks dp games | Statement | B | Codeforces Round 206 (Div. 1) {354} | PROGRAMMING | Codeforces Round #206 — Editorial | 2500 | |
| 703 | Broken Monitor | brute force constructive algorithms greedy implementation | Statement | D | Codeforces Round 217 (Div. 2) {370} | PROGRAMMING | Codeforces Round #217 (Div. 2): tutorial | 2100 | |
| 1243 | Captains Mode | bitmasks dp games | Statement | C | Codeforces Round 222 (Div. 1) {377} | PROGRAMMING | Codeforces Round #222 — Problem Analysis | 2400 | |
| 3805 | Fox and Card Game | games greedy sortings | Statement | C | Codeforces Round 228 (Div. 1) {388} | PROGRAMMING | Codeforces Round #228 — Editorial | 2000 | |
| 172 | Olympic Games | math | Statement | E | Codeforces Round 235 (Div. 2) {401} | PROGRAMMING | Codeforces Round #235 (Div. 2) — Tutorial | 2500 | |
| 847 | Maze 2D | data structures divide and conquer | Statement | E | Coder-Strike 2014 - Round 2 {413} | PROGRAMMING | Editorial of Coder-Strike 2014 Round 2 | 2100 | |
| 5033 | Football | constructive algorithms graphs implementation | Statement | C | RCC 2014 Warmup (Div. 2) {417} | PROGRAMMING | RCC 2014 WarmUp Analysis | 1500 | |
| 607 | Biathlon Track | binary search brute force constructive algorithms data structures dp | Statement | D | Codeforces Round 242 (Div. 2) {424} | PROGRAMMING | Codeforces Round #242 (Div. 2) Editorial | 2200 | |
| 149 | Colored Jenga | dfs and similar dp probabilities | Statement | E | Codeforces Round 242 (Div. 2) {424} | PROGRAMMING | Codeforces Round #242 (Div. 2) Editorial | 2500 | |
| 12251 | Football Kit | brute force greedy implementation | Statement | B | Codeforces Round 246 (Div. 2) {432} | PROGRAMMING | Codeforces Round #246 (Div. 2) Editorial | 1200 | |
| 1315 | Nanami's Digital Board | dsu implementation | Statement | D | Codeforces Round 248 (Div. 2) {433} | PROGRAMMING | Codeforces Round #248 Editorial | 2300 | |
| 518 | Nanami's Power Plant | flows | Statement | D | Codeforces Round 248 (Div. 1) {434} | PROGRAMMING | Codeforces Round #248 Editorial | 2800 | |
| 3853 | DZY Loves Modification | brute force data structures greedy | Statement | B | Codeforces Round #FF (Div. 1) {446} | PROGRAMMING | Codeforces Round #FF(255) Editorial | 2100 | |
| 463 | DZY Loves Games | math matrices probabilities | Statement | D | Codeforces Round #FF (Div. 1) {446} | PROGRAMMING | Codeforces Round #FF(255) Editorial | 2800 | |
| 3577 | Predict Outcome of the Game | brute force implementation math | Statement | C | Codeforces Round 258 (Div. 2) {451} | PROGRAMMING | Codeforces Round #258 Editorial | 1700 | |
| 71438 | Boredom | dp | Statement | A | Codeforces Round 260 (Div. 1) {455} | PROGRAMMING | Codeforces Round #260 — Editorial | 1600 | |
| 6814 | A Lot of Games | dfs and similar dp games implementation strings trees | Statement | B | Codeforces Round 260 (Div. 1) {455} | PROGRAMMING | Codeforces Round #260 — Editorial | 2100 | |
| 126 | An easy problem about trees | dp games greedy trees | Statement | F | MemSQL Start[c]UP 2.0 - Round 2 {457} | PROGRAMMING | MemSQL Start[c]UP 2.0 Round 1 and 2 Editorials | 3000 | |
| 514 | Appleman and a Game | binary search shortest paths strings | Statement | E | Codeforces Round 263 (Div. 1) {461} | PROGRAMMING | Tutorial | 3000 | |
| 11492 | Ant colony | data structures math number theory | Statement | F | Codeforces Round 271 (Div. 2) {474} | PROGRAMMING | Codeforces Round #271 (Div. 2) Editorial | 2200 | |
| 6788 | Valuable Resources | brute force greedy | Statement | B | Codeforces Round 276 (Div. 2) {485} | PROGRAMMING | Codeforces Round #276 — Editorial | 1300 | |
| 6389 | Vasya and Football | implementation | Statement | A | Codeforces Round 281 (Div. 2) {493} | PROGRAMMING | Codeforces Round #281 (Div. 2) Editorial | 1400 | |
| 10191 | Vasya and Chess | constructive algorithms games math | Statement | D | Codeforces Round 281 (Div. 2) {493} | PROGRAMMING | Codeforces Round #281 (Div. 2) Editorial | 1700 | |
| 374 | Sharti | data structures games | Statement | E | Codeforces Round 282 (Div. 1) {494} | PROGRAMMING | 15148 | 3200 | |
| 3198 | Tennis Game | binary search | Statement | D | Codeforces Round 283 (Div. 2) {496} | PROGRAMMING | 15208 | 2100 | |
| 1667 | Cubes | games greedy implementation | Statement | D | Codeforces Round 295 (Div. 2) {520} | PROGRAMMING | Codeforces Round #295 Editorial (now with bonuses!) | 2400 | |
| 2434 | Board Game | games greedy implementation math | Statement | C | VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) {533} | PROGRAMMING | Разбор VK Cup Round 2 | 1700 | |
| 787 | Tavas in Kansas | dp games | Statement | D | Codeforces Round 299 (Div. 1) {536} | PROGRAMMING | Codeforces Round #299 Editorial | 2800 | |
| 1634 | Demiurges Play Again | dfs and similar dp math trees | Statement | E | Codeforces Round 300 {538} | PROGRAMMING | Codeforces Round #300 Editorial (+challenges) | 2200 | |
| 4975 | School Marks | greedy implementation | Statement | B | Codeforces Round 301 (Div. 2) {540} | PROGRAMMING | Tutorial | 1700 | |
| 19406 | Soldier and Cards | brute force dfs and similar games | Statement | C | Codeforces Round 304 (Div. 2) {546} | PROGRAMMING | Codeforces Round #304 (Div.2) editorial | 1400 | |
| 13720 | Soldier and Number Game | constructive algorithms dp math number theory | Statement | D | Codeforces Round 304 (Div. 2) {546} | PROGRAMMING | Codeforces Round #304 (Div.2) editorial | 1700 | |
| 1822 | The Game Of Parity | games | Statement | C | Looksery Cup 2015 {549} | PROGRAMMING | Looksery Cup 2015 Editorial | 2200 | |
| 475 | Randomizer | combinatorics geometry probabilities | Statement | D | Codeforces Round 313 (Div. 1) {559} | PROGRAMMING | Codeforces Round 313 — Extended editoral | 2800 | |
| 16850 | Simple Game | constructive algorithms games greedy implementation math | Statement | B | Codeforces Round 316 (Div. 2) {570} | PROGRAMMING | Codeforces Round #316 Editorial | 1300 | |
| 7591 | Developing Skills | implementation math sortings | Statement | C | Codeforces Round 322 (Div. 2) {581} | PROGRAMMING | Codeforces Round #322 (Div.2) Editorial | 1400 | |
| 1489 | Anton and Ira | constructive algorithms greedy math | Statement | E | Codeforces Round 324 (Div. 2) {584} | PROGRAMMING | Tutorial | 2400 | |
| 1871 | Warrior and Archer | games | Statement | A | Codeforces Round 330 (Div. 1) {594} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 2900 | |
| 2055 | Lieges of Legendre | games math | Statement | C | Codeforces Round 334 (Div. 1) {603} | PROGRAMMING | Codeforces Round #334 Editorial | 2300 | |
| 13137 | Dinner with Emma | games greedy | Statement | B | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 1100 | |
| 12671 | Divisibility | math number theory | Statement | J | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1200 | |
| 9570 | Game | games math | Statement | R | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1300 | |
| 6320 | Indivisibility | math number theory | Statement | K | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1700 | |
| 880 | Arrow | geometry | Statement | O | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | 24160 | 2300 | |
| 698 | Bear and Destroying Subtrees | dp math probabilities trees | Statement | E | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 2600 | |
| 9544 | Spider Man | games math | Statement | B | Codeforces Round 366 (Div. 2) {705} | PROGRAMMING | 1200 | ||
| 1991 | Memory and Scores | combinatorics dp math | Statement | D | Codeforces Round 370 (Div. 2) {712} | PROGRAMMING | Codeforces Round #370 Editorial | 2100 | |
| 1579 | Dexterina’s Lab | games matrices probabilities | Statement | D | Bubble Cup 9 - Finals [Online Mirror] {717} | PROGRAMMING | Tutorial | 1900 | |
| 719 | Family Photos | games greedy | Statement | F | Canada Cup 2016 {725} | PROGRAMMING | Canada Cup Editorial | 2900 | |
| 1535 | Games on a CD | data structures hashing string suffix structures strings | Statement | E | Technocup 2017 - Elimination Round 1 (Unofficially Open for Everyone, Rated for Div. 2) {727} | PROGRAMMING | Tutorial | 2300 | |
| 1876 | Funny Game | dp games | Statement | E | Codeforces Round 376 (Div. 2) {731} | PROGRAMMING | 47840 | 2300 | |
| 194443 | Anton and Danik | implementation strings | Statement | A | Codeforces Round 379 (Div. 2) {734} | PROGRAMMING | Tutorial of Codeforces Round #379 (Div. 2) | 700 | |
| 7958 | Tennis Championship | combinatorics constructive algorithms greedy math | Statement | C | Codeforces Round 382 (Div. 2) {735} | PROGRAMMING | Codeforces Round #382 Editorial | 1700 | |
| 204 | Chess Championship | constructive algorithms flows greedy math | Statement | E | Codeforces Round 382 (Div. 1) {736} | PROGRAMMING | 48659 | 2800 | |
| 711 | Santa Clauses and a Soccer Championship | constructive algorithms dfs and similar graphs trees | Statement | F | Technocup 2017 - Elimination Round 3 {748} | PROGRAMMING | Codeforces Round 389 (Div.2) Editorial | 2500 | |
| 7500 | Ilya and tic-tac-toe game | brute force implementation | Statement | B | Codeforces Round 390 (Div. 2) {754} | PROGRAMMING | Editorial | 1200 | |
| 12865 | 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 | |
| 3486 | Game of Stones | bitmasks dp games | Statement | E | Divide by Zero 2017 and Codeforces Round 399 (Div. 1 + Div. 2, combined) {768} | PROGRAMMING | Editorial Divide by Zero and Codeforces Round #399 (Div. 1+2, combined) | 2000 | |
| 2836 | Berzerk | dfs and similar dp games | Statement | A | Codeforces Round 406 (Div. 1) {786} | PROGRAMMING | Codeforces Round #406 Editorial | 2100 | |
| 3323 | Naming Company | games greedy sortings | Statement | C | Tinkoff Challenge - Final Round (Codeforces Round 414, rated, Div. 1 + Div. 2) {794} | PROGRAMMING | 1800 | ||
| 1020 | Choosing Carrot | games math | Statement | E | Tinkoff Challenge - Final Round (Codeforces Round 414, rated, Div. 1 + Div. 2) {794} | PROGRAMMING | 2700 | ||
| 2175 | Field expansion | brute force dp meet-in-the-middle | Statement | D | Playrix Codescapes Cup (Codeforces Round 413, rated, Div. 1 + Div. 2) {799} | PROGRAMMING | Playrix Codescapes Cup Problems Analysis | 2000 | |
| 1560 | Card Game | binary search flows graphs | Statement | F | Educational Codeforces Round 21 {808} | PROGRAMMING | 52010 | 2500 | |
| 1316 | Sagheer and Apple Tree | games trees | Statement | E | Codeforces Round 417 (Div. 2) {812} | PROGRAMMING | [Editorial] Codeforces Round #417 (Div. 2) | 2200 | |
| 3048 | Army Creation | binary search data structures | Statement | E | Educational Codeforces Round 22 {813} | PROGRAMMING | 52410 | 2300 | |
| 519 | Mister B and Boring Game | games greedy | Statement | A | Codeforces Round 421 (Div. 1) {819} | PROGRAMMING | Codeforces Round #421 Editorial | 2100 | |
| 527 | Mister B and Boring Game | games greedy | Statement | C | Codeforces Round 421 (Div. 2) {820} | PROGRAMMING | 1500.0 | Codeforces Round #421 Editorial | 2200 |
| 22127 | Sasha and Sticks | games math | Statement | A | Codeforces Round 425 (Div. 2) {832} | PROGRAMMING | Codeforces Round #425 (Div.2) Editorial | 800 | |
| 6553 | The Meaningless Game | math number theory | Statement | A | Codeforces Round 426 (Div. 1) {833} | PROGRAMMING | Codeforces Round #426 Editorial | 1700 | |
| 404 | Future Failure | dp games | Statement | C | IndiaHacks 2nd Elimination 2017 (unofficial, unrated mirror, ICPC rules) {838} | PROGRAMMING | 53736 | 2800 | |
| 13162 | Godsend | games math | Statement | B | Codeforces Round 429 (Div. 2) {841} | PROGRAMMING | T | 1200 | |
| 4683 | Curriculum Vitae | brute force implementation | Statement | A | Educational Codeforces Round 28 {846} | PROGRAMMING | 54357 | 1500 | |
| 1854 | Arpa and a game with Mojtaba | bitmasks dp games | Statement | C | Codeforces Round 432 (Div. 1, based on IndiaHacks Final Round 2017) {850} | PROGRAMMING | Codeforces Round #432 editorial | 2400 | |
| 122 | To Play or not to Play | greedy | Statement | F | Russian Code Cup 2017 - Finals [Unofficial Mirror, Div. 1 Only Recommended, Teams Allowed] {856} | PROGRAMMING | Tutorial | 3100 | |
| 6066 | Pie Rules | dp games | Statement | C | MemSQL Start[c]UP 3.0 - Round 1 {859} | PROGRAMMING | Tutorial | 1500 | |
| 1121 | Third Month Insanity | dp probabilities trees | Statement | D | MemSQL Start[c]UP 3.0 - Round 1 {859} | PROGRAMMING | Tutorial | 2100 | |
| 2714 | 1-2-3 | graphs implementation | Statement | C | Educational Codeforces Round 29 {863} | PROGRAMMING | 1800 | ||
| 14300 | Table Tennis | data structures implementation | Statement | B | Codeforces Round 443 (Div. 2) {879} | PROGRAMMING | Codeforces Round #443. Editorial | 1300 | |
| 28055 | Rumor | dfs and similar graphs greedy | Statement | C | Educational Codeforces Round 33 (Rated for Div. 2) {893} | PROGRAMMING | 55989 | 1300 | |
| 11019 | Chess For Three | implementation | Statement | A | Educational Codeforces Round 33 (Rated for Div. 2) {893} | PROGRAMMING | 55989 | 900 | |
| 2294 | Ithea Plays With Chtholly | binary search constructive algorithms games greedy interactive | Statement | B | Codeforces Round 449 (Div. 1) {896} | PROGRAMMING | Codeforces Round #449 Editorial | 2000 | |
| 764 | Strongly Connected Tournament | dp graphs math probabilities | Statement | F | Hello 2018 {913} | PROGRAMMING | Tutorial | 2700 | |
| 9027 | Conan and Agasa play a Card Game | games greedy implementation | Statement | B | Codecraft-18 and Codeforces Round 458 (Div. 1 + Div. 2, combined) {914} | PROGRAMMING | Tutorial | 1300 | |
| 277 | Ember and Storm's Tree Game | combinatorics dp games trees | Statement | H | Codecraft-18 and Codeforces Round 458 (Div. 1 + Div. 2, combined) {914} | PROGRAMMING | Tutorial | 2900 | |
| 3984 | MADMAX | dfs and similar dp games graphs | Statement | B | Codeforces Round 459 (Div. 1) {917} | PROGRAMMING | Codeforces Round #459 Editorial | 1800 | |
| 384 | A Game With Numbers | games graphs shortest paths | Statement | F | Codeforces Round 460 (Div. 2) {919} | PROGRAMMING | Codeforces Round #460 (Div. 2) Editorial | 2800 | |
| 444 | Game with Tokens | data structures games implementation | Statement | D | Codeforces Round 468 (Div. 1, based on Technocup 2018 Final Round) {930} | PROGRAMMING | Codeforces Round #468 and Technocup 2018 Final Round Analysis | 2600 | |
| 7593 | A Compatible Pair | brute force games | Statement | A | Codeforces Round 462 (Div. 2) {934} | PROGRAMMING | 57763 | 1400 | |
| 4995 | Fifa and Fafa | geometry | Statement | C | Codeforces Round 465 (Div. 2) {935} | PROGRAMMING | editorial | 1700 | |
| 3407 | Sleepy Game | dfs and similar dp games graphs | Statement | B | Codeforces Round 467 (Div. 1) {936} | PROGRAMMING | Codeforces Round #467, Editorial | 2100 | |
| 396 | World of Tank | dp greedy | Statement | D | Codeforces Round 467 (Div. 1) {936} | PROGRAMMING | Codeforces Round #467, Editorial | 3000 | |
| 55469 | Mahmoud and Ehab and the even-odd game | games math | Statement | A | Codeforces Round 473 (Div. 2) {959} | PROGRAMMING | Codeforces round #473 editorial | 600 | |
| 906 | Kuro and Topological Parity | dp | Statement | E | Codeforces Round 482 (Div. 2) {979} | PROGRAMMING | Codeforces Round #482 (Div. 2) Editorial | 2800 | |
| 3940 | Posterized | games greedy | Statement | C | Codeforces Round 480 (Div. 2) {980} | PROGRAMMING | Tutorial | 1700 | |
| 2113 | The Number Games | data structures greedy trees | Statement | E | Codeforces Round 480 (Div. 2) {980} | PROGRAMMING | Tutorial | 2300 | |
| 7965 | 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 | |
| 12287 | Game Shopping | implementation | Statement | A | Educational Codeforces Round 47 (Rated for Div. 2) {1009} | PROGRAMMING | 60630 | 800 | |
| 6202 | Permutation Game | brute force dp games | Statement | C | Lyft Level 5 Challenge 2018 - Elimination Round {1033} | PROGRAMMING | The Lyft Level 5 Challenge 2018 Elimination Round (Div. 1 + Div. 2) Editorial | 1600 | |
| 500 | Chip Game | games | Statement | G | Lyft Level 5 Challenge 2018 - Elimination Round {1033} | PROGRAMMING | The Lyft Level 5 Challenge 2018 Elimination Round (Div. 1 + Div. 2) Editorial | 3200 | |
| 370 | A Game on Strings | games | Statement | G | Manthan, Codefest 18 (rated, Div. 1 + Div. 2) {1037} | PROGRAMMING | Tutorial | 2900 | |
| 2981 | Make It One | bitmasks combinatorics dp math number theory shortest paths | Statement | F | Codeforces Round 519 by Botan Investments {1043} | PROGRAMMING | Codeforces Round #519 Editorial | 2500 | |
| 720 | Array Game | data structures games | Statement | G | Educational Codeforces Round 54 (Rated for Div. 2) {1076} | PROGRAMMING | E | 2700 | |
| 13265 | Definite Game | constructive algorithms math | Statement | A | Avito Cool Challenge 2018 {1081} | PROGRAMMING | 63888 | 800 | |
| 710 | Rock-Paper-Scissors Champion | Statement | F | Technocup 2019 - Elimination Round 4 {1085} | PROGRAMMING | Technocup 2019 — Elimination Round 4 + Codeforces Round 528: editorial | 2700 | ||
| 123 | Combostone | games implementation | Statement | G | 2018-2019 Russia Open High School Programming Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1090} | PROGRAMMING | 3000 | ||
| 494 | New Year and the Tricolore Recreation | games | Statement | H | Good Bye 2018 {1091} | PROGRAMMING | Editorial | 3100 | |
| 1277 | The Top Scorer | combinatorics dp math probabilities | Statement | E | Educational Codeforces Round 57 (Rated for Div. 2) {1096} | PROGRAMMING | Разбор Educational Codeforces Round 57 | 2600 | |
| 1033 | Cookies | binary search data structures dfs and similar dp games trees | Statement | F | Codeforces Round 530 (Div. 2) {1099} | PROGRAMMING | E | 2300 | |
| 915 | Dasha and Chess | constructive algorithms games interactive | Statement | D | Codeforces Round 532 (Div. 2) {1100} | PROGRAMMING | Unofficial Tutorial | 2400 | |
| 14143 | Doors Breaking and Repairing | games | Statement | C | Codeforces Round 531 (Div. 3) {1102} | PROGRAMMING | 64439 | 1200 | |
| 3521 | Game with modulo | binary search constructive algorithms interactive | Statement | B | Codeforces Round 534 (Div. 1) {1103} | PROGRAMMING | Codeforces Round #534 — Editorial | 2000 | |
| 740 | Tree-Tac-Toe | constructive algorithms games trees | Statement | G | Codeforces Global Round 1 {1110} | PROGRAMMING | The Editorial of the First Codeforces Global Round | 3000 | |
| 12267 | Nastya Is Playing Computer Games | constructive algorithms math | Statement | B | Codeforces Round 546 (Div. 2) {1136} | PROGRAMMING | Editorial of Round #546(Div.2) | 1000 | |
| 2141 | Cooperative Game | constructive algorithms interactive number theory | Statement | D | Codeforces Round 545 (Div. 1) {1137} | PROGRAMMING | Codeforces Round #545 – Editorial | 2500 | |
| 3645 | Thanos Nim | games | Statement | C | Forethought Future Cup - Final Round (Onsite Finalists Only) {1147} | PROGRAMMING | Forethought Future Cup Final Round Tutorial | 2100 | |
| 337 | Zigzag Game | games interactive | Statement | F | Forethought Future Cup - Final Round (Onsite Finalists Only) {1147} | PROGRAMMING | Forethought Future Cup Final Round Tutorial | 3400 | |
| 658 | Election Promises | games graphs | Statement | E | Codeforces Round 556 (Div. 1) {1149} | PROGRAMMING | 66783 | 3100 | |
| 12514 | Game with Telephone Numbers | games greedy implementation | Statement | B | Educational Codeforces Round 63 (Rated for Div. 2) {1155} | PROGRAMMING | 66687 | 1200 | |
| 693 | Nauuo and Portals | constructive algorithms | Statement | D | Codeforces Round 564 (Div. 1) {1172} | PROGRAMMING | Codeforces Round #564 Editorial | 2800 | |
| 6822 | Tokitsukaze, CSL and Stone Game | games | Statement | B | Codeforces Round 573 (Div. 1) {1190} | PROGRAMMING | E | 1800 | |
| 2215 | Tokitsukaze and Duel | brute force games greedy | Statement | C | Codeforces Round 573 (Div. 1) {1190} | PROGRAMMING | E | 2400 | |
| 7160 | 1-2-K Game | games math | Statement | D | Educational Codeforces Round 68 (Rated for Div. 2) {1194} | PROGRAMMING | Разбор Educational Codeforces Round 68 | 1700 | |
| 341 | Coloring Game | dp games matrices | Statement | F | Educational Codeforces Round 69 (Rated for Div. 2) {1197} | PROGRAMMING | E | 2500 | |
| 11464 | Badges | brute force math | Statement | B | Codeforces Round 583 (Div. 1 + Div. 2, based on Olympiad of Metropolises) {1214} | PROGRAMMING | Tutorial | 1100 | |
| 6555 | Ticket Game | games greedy math | Statement | D | Codeforces Round 585 (Div. 2) {1215} | PROGRAMMING | Codeforces Round #585 Editorial | 1700 | |
| 10801 | Substring Game in the Lesson | games greedy strings | Statement | C | Codeforces Round 586 (Div. 1 + Div. 2) {1220} | PROGRAMMING | Codeforces Round #586 Editorial | 1300 | |
| 1169 | Game With String | games | Statement | E | Educational Codeforces Round 73 (Rated for Div. 2) {1221} | PROGRAMMING | Разбор Educational Codeforces Round 73 | 2400 | |
| 327 | Football | graphs | Statement | F | Codeforces Round 591 (Div. 1, based on Technocup 2020 Elimination Round 1) {1240} | PROGRAMMING | Сodeforces Round 591 (Технокубок 2020 — Отборочный раунд 1) Разбор | 3100 | |
| 8264 | The Football Season | brute force math number theory | Statement | C | Codeforces Round 592 (Div. 2) {1244} | PROGRAMMING | Codeforces Round #592 (Div. 2) Tutorial | 1900 | |
| 1519 | Running in Pairs | constructive algorithms greedy math | Statement | G | Codeforces Round 592 (Div. 2) {1244} | PROGRAMMING | Codeforces Round #592 (Div. 2) Tutorial | 2500 | |
| 1068 | Intriguing Selection | brute force constructive algorithms implementation interactive sortings | Statement | I | 2019-2020 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1267} | PROGRAMMING | nerc-2019-tutorial.pdf | 2700 | |
| 825 | Game Relics | math probabilities | Statement | G | 2019-2020 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1267} | PROGRAMMING | nerc-2019-tutorial.pdf | 3100 | |
| 17804 | Card Game | games greedy math | Statement | A | Good Bye 2019 {1270} | PROGRAMMING | Разбор Goodbye 2019 | 700 | |
| 368 | Nora's Toy Boxes | bitmasks combinatorics dp | Statement | F | Codeforces Round 614 (Div. 1) {1292} | PROGRAMMING | 2750.0 | Codeforces Round #614 Editorial | 3400 |
| 574 | Double Elimination | dp implementation | Statement | B | VK Cup 2019-2020 - Elimination Round (Engine) {1310} | PROGRAMMING | 1000.0 | VK Cup 2019-2020 - Elimination Round (Engine) and Codeforces Round #623 | 2500 |
| 1029 | Attack on Red Kingdom | games two pointers | Statement | F | Educational Codeforces Round 83 (Rated for Div. 2) {1312} | PROGRAMMING | 74640 | ||
| 4128 | Challenges in school №41 | brute force constructive algorithms games graphs greedy implementation sortings | Statement | D | Codeforces Round 632 (Div. 2) {1333} | PROGRAMMING | 1750.0 | Codeforces Round #632 (Div. 2) editorial | |
| 61 | Game with Segments | *special data structures games | Statement | H | Kotlin Heroes: Episode 4 {1346} | PROGRAMMING | Kotlin Heroes: Episode 4 — Editorial | 2700 | |
| 4803 | Orac and Game of Life | dfs and similar graphs implementation shortest paths | Statement | C | Codeforces Round 641 (Div. 1) {1349} | PROGRAMMING | 1250.0 | Codeforces Round #641 Editorial | 2000 |
| 959 | Guess Divisors Count | constructive algorithms interactive number theory | Statement | F | Codeforces Round 643 (Div. 2) {1355} | PROGRAMMING | 3000.0 | Codeforces Round #643 (Div. 2) Editorial | 2600 |
| 21039 | Game On Leaves | games trees | Statement | C | Codeforces Round 646 (Div. 2) {1363} | PROGRAMMING | 1500.0 | 78202 | 1600 |
| 1546 | X-OR | bitmasks constructive algorithms interactive probabilities | Statement | E | Codeforces Round 649 (Div. 2) {1364} | PROGRAMMING | 2500.0 | Codeforces round #649 editorial | 2700 |
| 25026 | Matrix Game | games greedy implementation | Statement | A | Codeforces Round 648 (Div. 2) {1365} | PROGRAMMING | 500.0 | Editorial — Codeforces Round #648 | 1100 |
| 1104 | Lamps on a Circle | games greedy implementation interactive math | Statement | F | Codeforces Global Round 8 {1368} | PROGRAMMING | 3000.0 | Codeforces Global Round 8: editorial | |
| 715 | BareLee | dfs and similar dp games | Statement | F | Codeforces Round 652 (Div. 2) {1369} | PROGRAMMING | 3000.0 | Codeforces Round #652 (Div. 2) Editorial | 2700 |
| 27051 | Number Game | games math number theory | Statement | C | Codeforces Round 651 (Div. 2) {1370} | PROGRAMMING | 1500.0 | Editorial — Codeforces Round #651 | |
| 5714 | Omkar and Circle | brute force constructive algorithms dp games greedy | Statement | D | Codeforces Round 655 (Div. 2) {1372} | PROGRAMMING | 2000.0 | Codeforces Round #655 Editorial | 2100 |
| 52280 | 01 Game | brute force constructive algorithms dp games implementation strings | Statement | B | Educational Codeforces Round 90 (Rated for Div. 2) {1373} | PROGRAMMING | Educational Codeforces Round 90 Editorial | ||
| 2502 | Integer Game | brute force constructive algorithms games interactive math | Statement | F | Codeforces Global Round 9 {1375} | PROGRAMMING | 2000.0 | 79731 | |
| 26019 | Sequential Nim | games | Statement | B | Codeforces Round 658 (Div. 2) {1382} | PROGRAMMING | 1250.0 | Codeforces Round #658 Editorial | 1100 |
| 5431 | GameGame | bitmasks constructive algorithms dp games greedy math | Statement | B | Codeforces Round 659 (Div. 1) {1383} | PROGRAMMING | 1000.0 | Codeforces Round #659 Editorial | |
| 20825 | Rainbow Dash, Fluttershy and Chess Coloring | greedy math | Statement | A | Codeforces Round 662 (Div. 2) {1393} | PROGRAMMING | 500.0 | Codeforces Round #662 Editorial | |
| 12891 | Stoned Game | brute force constructive algorithms games greedy | Statement | B | Codeforces Round 666 (Div. 1) {1396} | PROGRAMMING | 1000.0 | Codeforces Round #666 — Editorial | |
| 25854 | Substring Removal Game | games greedy sortings strings | Statement | B | Educational Codeforces Round 93 (Rated for Div. 2) {1398} | PROGRAMMING | Educational Codeforces Round 93 Editorial | ||
| 233 | Star Trek | *special combinatorics dfs and similar dp games graphs matrices trees | Statement | C | Central-European Olympiad in Informatics, CEOI 2020, Day 1 (IOI, Unofficial Mirror Contest, Unrated) {1402} | PROGRAMMING | Editorial | ||
| 8159 | Tree Tag | dfs and similar dp games trees | Statement | B | Codeforces Round 668 (Div. 1) {1404} | PROGRAMMING | 1000.0 | Codeforces Round #668 Editorial | |
| 882 | No Game No Life | games math matrices | Statement | G | Technocup 2021 - Elimination Round 3 {1411} | PROGRAMMING | 3250.0 | Technocup 2021 Elimination Round 3 and Round #692 (Div. 1 + Div. 2) Editorial | |
| 20507 | Digit Game | games implementation | Statement | A | Codeforces Round 671 (Div. 2) {1419} | PROGRAMMING | 500.0 | Codeforces Round #671 Editorial | |
| 7209 | Arena of Greed | games greedy | Statement | A | 2020 ICPC, COMPFEST 12, Indonesia Multi-Provincial Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1425} | PROGRAMMING | Tutorial | 1400 | |
| 11438 | Chess Cheater | greedy implementation sortings | Statement | B | Codeforces Global Round 11 {1427} | PROGRAMMING | 750.0 | Editorial of Global Round 11 | 1400 |
| 94 | Prison Break | binary search games geometry ternary search | Statement | H | Codeforces Global Round 11 {1427} | PROGRAMMING | 4500.0 | Editorial of Global Round 11 | 3500 |
| 28112 | Numbers on Whiteboard | constructive algorithms data structures games implementation math | Statement | C | Educational Codeforces Round 96 (Rated for Div. 2) {1430} | PROGRAMMING | Educational Codeforces Round 96 — Editorial | ||
| 203 | Number Deletion Game | *special dp games greedy | Statement | G | Kotlin Heroes 5: ICPC Round {1431} | PROGRAMMING | 84563 | ||
| 221 | A Convex Game | Statement | E | Codeforces Round 679 (Div. 1, based on Technocup 2021 Elimination Round 1) {1434} | PROGRAMMING | 2500.0 | Codeforces Round 679 (Div. 1, Div. 2) and Technocup Round 1 editorial | ||
| 247 | Cheat and Win | bitmasks data structures games trees | Statement | E | Codeforces Round 684 (Div. 1) {1439} | PROGRAMMING | 2500.0 | Codeforces Round #684[Div1 and Div2] Editorial | |
| 169 | Differentiating Games | games interactive | Statement | F | Codeforces Round 681 (Div. 1, based on VK Cup 2019-2020 - Final) {1442} | PROGRAMMING | 2500.0 | 84298 | |
| 1216 | Nullify The Matrix | bitmasks games | Statement | F | Codeforces Round 685 (Div. 2) {1451} | PROGRAMMING | 3000.0 | Editorial — Codeforces Round #685 | |
| 10136 | Circle Game | games geometry math | Statement | D | Codeforces Round 685 (Div. 2) {1451} | PROGRAMMING | 1750.0 | Editorial — Codeforces Round #685 | |
| 20430 | Ping-pong | constructive algorithms games math | Statement | C | Educational Codeforces Round 99 (Rated for Div. 2) {1455} | PROGRAMMING | 85186 | ||
| 554 | Nim Shortcuts | data structures games | Statement | E | Codeforces Round 691 (Div. 1) {1458} | PROGRAMMING | 2250.0 | Codeforces Round #691 Editorial (finished) | |
| 30452 | Even-Odd Game | dp games greedy sortings | Statement | D | Codeforces Round 693 (Div. 3) {1472} | PROGRAMMING | Codeforces Round #693 (Div. 3) Editorial | ||
| 27123 | Yet Another String Game | games greedy strings | Statement | A | Codeforces Round 700 (Div. 2) {1480} | PROGRAMMING | 500.0 | Editorial of Codeforces Round #700 | |
| 15386 | Minimum Ties | brute force constructive algorithms dfs and similar graphs greedy implementation math | Statement | C | Educational Codeforces Round 104 (Rated for Div. 2) {1487} | PROGRAMMING | 87873 | ||
| 20950 | Accidental Victory | binary search data structures greedy | Statement | E | Codeforces Round 702 (Div. 3) {1490} | PROGRAMMING | Codeforces Round #702 (Div. 3) Editorial | ||
| 6327 | Let's Go Hiking | constructive algorithms games greedy implementation | Statement | B | Codeforces Round 706 (Div. 1) {1495} | PROGRAMMING | 1000.0 | Codeforces Round #706 Editorial | |
| 1053 | Christmas Game | data structures dfs and similar dp games math trees | Statement | F | CodeCraft-21 and Codeforces Round 711 (Div. 2) {1498} | PROGRAMMING | 3000.0 | CodeCraft-21 and Codeforces Round #711 (Div. 2) Editorial | |
| 7667 | 3-Coloring | constructive algorithms games interactive | Statement | B | Codeforces Round 712 (Div. 1) {1503} | PROGRAMMING | 1000.0 | T | 1700 |
| 937 | Chips on a Board | bitmasks brute force data structures games sortings | Statement | G | Educational Codeforces Round 107 (Rated for Div. 2) {1511} | PROGRAMMING | 89634 | ||
| 34181 | Palindrome Game (easy version) | dp games | Statement | B1 | Codeforces Round 721 (Div. 2) {1527} | PROGRAMMING | 750.0 | Tutorial | 1200 |
| 8677 | Palindrome Game (hard version) | dp games | Statement | B2 | Codeforces Round 721 (Div. 2) {1527} | PROGRAMMING | 1500.0 | Tutorial | 1900 |
| 8487 | Playoff Tournament | data structures implementation trees | Statement | D | Educational Codeforces Round 110 (Rated for Div. 2) {1535} | PROGRAMMING | 91481 | ||
| 1099 | Omkar and Akmar | combinatorics games math | Statement | F | Codeforces Round 724 (Div. 2) {1536} | PROGRAMMING | 2500.0 | Codeforces Round #724 — Editorial | 2600 |
| 13578 | Deleting Divisors | games math number theory | Statement | D | Codeforces Round 726 (Div. 2) {1537} | PROGRAMMING | 1500.0 | Codeforces Round #726 (Div.2) Editorial | |
| 16891 | Running for Gold | combinatorics graphs greedy probabilities sortings | Statement | B | Codeforces Global Round 15 {1552} | PROGRAMMING | 500.0 | Editorial of Global Round 15 | |
| 446 | Gates to Another World | Statement | G | Deltix Round, Summer 2021 (open for everyone, rated, Div. 1 + Div. 2) {1556} | PROGRAMMING | 3000.0 | 94384 | 3300 | |
| 11481 | Charmed by the Game | brute force math | Statement | A | Codeforces Round 740 (Div. 1, based on VK Cup 2021 - Final (Engine)) {1558} | PROGRAMMING | 500.0 | Codeforces Round #740 Editorial | 1300 |
| 873 | Playoff Restoration | bitmasks brute force hashing implementation meet-in-the-middle | Statement | E | Educational Codeforces Round 113 (Rated for Div. 2) {1569} | PROGRAMMING | 94721 | ||
| 1465 | Game with Stones | binary search data structures games greedy | Statement | E | Technocup 2022 - Elimination Round 2 {1584} | PROGRAMMING | 2000.0 | Editorial for Technocup 2022 — Elimination Round 2 and Codeforces Round #755 (Div. 1, Div. 2) | 2300 |
| 302 | Poachers | dp games graphs trees | Statement | G | Technocup 2022 - Elimination Round 3 {1585} | PROGRAMMING | 3500.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 34 | Bubble Popping | Statement | D | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | |||
| 1959 | Bubble Strike | combinatorics math probabilities ternary search | Statement | C | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | ||
| 2358 | Array Game | games greedy two pointers | Statement | E | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 2) {1600} | PROGRAMMING | BubbleCup2021.pdf | ||
| 3243 | Treelabeling | bitmasks constructive algorithms dfs and similar games graphs greedy trees | Statement | D | Codeforces Round 754 (Div. 2) {1605} | PROGRAMMING | 2000.0 | tutorial | 2100 |
| 626 | Squid Game | data structures dfs and similar divide and conquer greedy trees | Statement | H | Codeforces Global Round 17 {1610} | PROGRAMMING | 3500.0 | Codeforces Global Round 17 Editorial |