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Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 1453 | Zero-One | constructive algorithms games greedy | Statement | C | Codeforces Beta Round 97 (Div. 1) {135} | PROGRAMMING | Codeforces Beta Round #97: editorial | 2000 | |
| 6863 | Plate Game | constructive algorithms games math | Statement | A | Codeforces Round 124 (Div. 2) {197} | PROGRAMMING | Разбор задач | 1600 | |
| 2500 | Block Tower | constructive algorithms dfs and similar graphs | Statement | D | Codeforces Round 191 (Div. 2) {327} | PROGRAMMING | Codeforces Round #191 — Tutorial | 2000 | |
| 704 | Broken Monitor | brute force constructive algorithms greedy implementation | Statement | D | Codeforces Round 217 (Div. 2) {370} | PROGRAMMING | Codeforces Round #217 (Div. 2): tutorial | 2100 | |
| 5081 | Football | constructive algorithms graphs implementation | Statement | C | RCC 2014 Warmup (Div. 2) {417} | PROGRAMMING | RCC 2014 WarmUp Analysis | 1500 | |
| 613 | 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 | |
| 10233 | Vasya and Chess | constructive algorithms games math | Statement | D | Codeforces Round 281 (Div. 2) {493} | PROGRAMMING | Codeforces Round #281 (Div. 2) Editorial | 1700 | |
| 13841 | 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 | |
| 16906 | Simple Game | constructive algorithms games greedy implementation math | Statement | B | Codeforces Round 316 (Div. 2) {570} | PROGRAMMING | Codeforces Round #316 Editorial | 1300 | |
| 1497 | Anton and Ira | constructive algorithms greedy math | Statement | E | Codeforces Round 324 (Div. 2) {584} | PROGRAMMING | Tutorial | 2400 | |
| 7990 | Tennis Championship | combinatorics constructive algorithms greedy math | Statement | C | Codeforces Round 382 (Div. 2) {735} | PROGRAMMING | Codeforces Round #382 Editorial | 1700 | |
| 206 | Chess Championship | constructive algorithms flows greedy math | Statement | E | Codeforces Round 382 (Div. 1) {736} | PROGRAMMING | 48659 | 2800 | |
| 722 | 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 | |
| 2303 | 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 | |
| 13293 | Definite Game | constructive algorithms math | Statement | A | Avito Cool Challenge 2018 {1081} | PROGRAMMING | 63888 | 800 | |
| 916 | Dasha and Chess | constructive algorithms games interactive | Statement | D | Codeforces Round 532 (Div. 2) {1100} | PROGRAMMING | Unofficial Tutorial | 2400 | |
| 3536 | Game with modulo | binary search constructive algorithms interactive | Statement | B | Codeforces Round 534 (Div. 1) {1103} | PROGRAMMING | Codeforces Round #534 — Editorial | 2000 | |
| 754 | Tree-Tac-Toe | constructive algorithms games trees | Statement | G | Codeforces Global Round 1 {1110} | PROGRAMMING | The Editorial of the First Codeforces Global Round | 3000 | |
| 12284 | Nastya Is Playing Computer Games | constructive algorithms math | Statement | B | Codeforces Round 546 (Div. 2) {1136} | PROGRAMMING | Editorial of Round #546(Div.2) | 1000 | |
| 2173 | Cooperative Game | constructive algorithms interactive number theory | Statement | D | Codeforces Round 545 (Div. 1) {1137} | PROGRAMMING | Codeforces Round #545 – Editorial | 2500 | |
| 1547 | Running in Pairs | constructive algorithms greedy math | Statement | G | Codeforces Round 592 (Div. 2) {1244} | PROGRAMMING | Codeforces Round #592 (Div. 2) Tutorial | 2500 | |
| 1069 | 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 | |
| 4135 | 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 | |
| 967 | 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 |
| 1579 | X-OR | bitmasks constructive algorithms interactive probabilities | Statement | E | Codeforces Round 649 (Div. 2) {1364} | PROGRAMMING | 2500.0 | Codeforces round #649 editorial | 2700 |
| 5728 | 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 |
| 53514 | 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 | ||
| 2513 | Integer Game | brute force constructive algorithms games interactive math | Statement | F | Codeforces Global Round 9 {1375} | PROGRAMMING | 2000.0 | 79731 | |
| 5462 | GameGame | bitmasks constructive algorithms dp games greedy math | Statement | B | Codeforces Round 659 (Div. 1) {1383} | PROGRAMMING | 1000.0 | Codeforces Round #659 Editorial | |
| 13018 | Stoned Game | brute force constructive algorithms games greedy | Statement | B | Codeforces Round 666 (Div. 1) {1396} | PROGRAMMING | 1000.0 | Codeforces Round #666 — Editorial | |
| 28413 | 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 | ||
| 20476 | Ping-pong | constructive algorithms games math | Statement | C | Educational Codeforces Round 99 (Rated for Div. 2) {1455} | PROGRAMMING | 85186 | ||
| 15438 | 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 | ||
| 6345 | Let's Go Hiking | constructive algorithms games greedy implementation | Statement | B | Codeforces Round 706 (Div. 1) {1495} | PROGRAMMING | 1000.0 | Codeforces Round #706 Editorial | |
| 7699 | 3-Coloring | constructive algorithms games interactive | Statement | B | Codeforces Round 712 (Div. 1) {1503} | PROGRAMMING | 1000.0 | T | 1700 |
| 3261 | Treelabeling | bitmasks constructive algorithms dfs and similar games graphs greedy trees | Statement | D | Codeforces Round 754 (Div. 2) {1605} | PROGRAMMING | 2000.0 | tutorial | 2100 |
| 388 | Reindeer Games | constructive algorithms flows graphs shortest paths | Statement | H | Codeforces Global Round 18 {1615} | PROGRAMMING | 4000.0 | Global Round 18 Editorial | |
| 2346 | Let's Play the Hat? | constructive algorithms math | Statement | F | Codeforces Round 762 (Div. 3) {1619} | PROGRAMMING | Tutorial | ||
| 621 | Birthday | constructive algorithms math | Statement | G | Codeforces Global Round 19 {1637} | PROGRAMMING | 4000.0 | Tutorial | |
| 7587 | K-good | constructive algorithms games math number theory | Statement | D | CodeTON Round 1 (Div. 1 + Div. 2, Rated, Prizes!) {1656} | PROGRAMMING | 2000.0 | Tutorial | |
| 16835 | Log Chopping | constructive algorithms games implementation math | Statement | A | Codeforces Global Round 20 {1672} | PROGRAMMING | 250.0 | Global Round 20 Editorial | 800 |
| 24967 | Digit Minimization | constructive algorithms games math | Statement | A | Codeforces Round 792 (Div. 1 + Div. 2) {1684} | PROGRAMMING | 500.0 | Codeforces Round #792 (Div. 1 + Div. 2) Editorial | 800 |
| 1310 | Colouring Game | constructive algorithms games | Statement | F | CodeTON Round 2 (Div. 1 + Div. 2, Rated, Prizes!) {1704} | PROGRAMMING | 2750.0 | CodeTON Round 2 Editorial | |
| 8267 | Letter Picking | constructive algorithms dp games | Statement | D | Educational Codeforces Round 135 (Rated for Div. 2) {1728} | PROGRAMMING | 106805 | ||
| 21152 | Rule of League | constructive algorithms math | Statement | B | Codeforces Round 821 (Div. 2) {1733} | PROGRAMMING | 1000.0 | Codeforces Round #821 (Div. 2) Editorial | |
| 10116 | Card Game | combinatorics constructive algorithms dp games | Statement | C | Educational Codeforces Round 136 (Rated for Div. 2) {1739} | PROGRAMMING | Educational Codeforces Round 136 Editorial | ||
| 12367 | Bricks and Bags | constructive algorithms games greedy sortings | Statement | C | Codeforces Round 831 (Div. 1 + Div. 2) {1740} | PROGRAMMING | 1500.0 | Tutorial | 1400 |
| 11228 | Playoff | combinatorics constructive algorithms dp graphs greedy | Statement | D | Educational Codeforces Round 140 (Rated for Div. 2) {1767} | PROGRAMMING | 110225 | ||
| 2048 | Anya's Simultaneous Exhibition | constructive algorithms data structures graphs greedy interactive sortings | Statement | E | Hello 2023 {1779} | PROGRAMMING | 2250.0 | ||
| 1038 | Toy Machine | constructive algorithms games implementation | Statement | D | Codeforces Round 869 (Div. 1) {1817} | PROGRAMMING | 2000.0 | Codeforces Round #869 (Div.1, Div.2) Editorial | |
| 1742 | The Fox and the Complete Tree Traversal | constructive algorithms dp games implementation math trees | Statement | C | Codeforces Round 866 (Div. 1) {1819} | PROGRAMMING | 1500.0 | Codeforces Round #866 (Div.1, Div.2, based on Lipetsk Team Olympiad) Editorial | |
| 26024 | Game with Board | constructive algorithms games | Statement | A | Educational Codeforces Round 150 (Rated for Div. 2) {1841} | PROGRAMMING | 117262 | ||
| 4766 | 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 | |
| 25993 | Subtraction Game | constructive algorithms games math | Statement | A | Codeforces Round 884 (Div. 1 + Div. 2) {1844} | PROGRAMMING | 500.0 | Codeforces Round #884 (Div. 1 + Div. 2) Editorial | |
| 18443 | Vika and Her Friends | constructive algorithms games math | Statement | A | Codeforces Round 885 (Div. 2) {1848} | PROGRAMMING | 500.0 | Codeforces Round #885 (Div.2) Editorial | |
| 3072 | Guess Game | bitmasks combinatorics constructive algorithms data structures games math probabilities strings trees | Statement | E | Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) {1864} | PROGRAMMING | 2000.0 | Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) Editorial | |
| 12696 | Salyg1n and the MEX Game | constructive algorithms data structures games greedy interactive | Statement | C | Codeforces Round 897 (Div. 2) {1867} | PROGRAMMING | 1250.0 | ||
| 13640 | Fill in the Matrix | constructive algorithms implementation | Statement | A | Codeforces Round 896 (Div. 1) {1868} | PROGRAMMING | 500.0 | Codeforces Round 896 (Div. 1, Div. 2) Editorial | |
| 2527 | Geo Game | constructive algorithms dp games greedy interactive math | Statement | E | Codeforces Round 912 (Div. 2) {1903} | PROGRAMMING | 2250.0 | Codeforces Round #912 (Div. 2) Editorial | |
| 19943 | Training Before the Olympiad | constructive algorithms games implementation math | Statement | C | Good Bye 2023 {1916} | PROGRAMMING | 1250.0 | ||
| 210 | Tree LGM | constructive algorithms games trees | Statement | G | Hello 2024 {1919} | PROGRAMMING | 4000.0 | 3500 | |
| 908 | 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 | ||
| 468 | Connected Cubes | constructive algorithms games | Statement | E | Codeforces Round 941 (Div. 1) {1965} | PROGRAMMING | 2500.0 | Codeforces Round #941 (Div. 1, Div. 2) Editorial | 3100 |
| 19609 | Card Exchange | constructive algorithms games greedy | Statement | A | Codeforces Round 941 (Div. 2) {1966} | PROGRAMMING | 500.0 | Codeforces Round #941 (Div. 1, Div. 2) Editorial | 800 |
| 5145 | Coloring Game | constructive algorithms games graphs greedy interactive | Statement | E | Pinely Round 4 (Div. 1 + Div. 2) {1991} | PROGRAMMING | 2000.0 | Video Tutorial | |
| 171 | Grid Game | constructive algorithms games greedy interactive | Statement | I | Pinely Round 4 (Div. 1 + Div. 2) {1991} | PROGRAMMING | 4000.0 | Video Tutorial | |
| 23117 | Removals Game | constructive algorithms games | Statement | B | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} | PROGRAMMING | 750.0 | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) Editorial | |
| 41288 | Sakurako and Kosuke | constructive algorithms math | Statement | A | Codeforces Round 981 (Div. 3) {2033} | PROGRAMMING | 135520 | ||
| 33742 | Two Frogs | constructive algorithms games greedy | Statement | A | Codeforces Round 996 (Div. 2) {2055} | PROGRAMMING | 500.0 | Codeforces Round 996 (Div. 2) Editorial | |
| 22087 | Binary String Battle | constructive algorithms games greedy | Statement | D | Codeforces Round 1034 (Div. 3) {2123} | PROGRAMMING | Codeforces Round 1034 (Div. 3) Editorial |