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< 1 2 3 ... 9 10 11 12 13 ... 43 44 45 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 8641 | Rebranding | implementation strings | Statement | B | Codeforces Round 327 (Div. 2) {591} | PROGRAMMING | Editorial | 1200 | |
| 17232 | Wizards' Duel | implementation math | Statement | A | Codeforces Round 327 (Div. 2) {591} | PROGRAMMING | 900 | ||
| 8819 | The Monster and the Squirrel | math | Statement | B | Codeforces Round 328 (Div. 2) {592} | PROGRAMMING | Codeforces Round #328 Problem Analysis | 1200 | |
| 6518 | PawnChess | implementation | Statement | A | Codeforces Round 328 (Div. 2) {592} | PROGRAMMING | Codeforces Round #328 Problem Analysis | 1300 | |
| 3194 | The Big Race | math | Statement | C | Codeforces Round 328 (Div. 2) {592} | PROGRAMMING | Codeforces Round #328 Problem Analysis | 1700 | |
| 2954 | Super M | dfs and similar dp graphs trees | Statement | D | Codeforces Round 328 (Div. 2) {592} | PROGRAMMING | Codeforces Round #328 Problem Analysis | 2200 | |
| 234 | BCPC | binary search geometry two pointers | Statement | E | Codeforces Round 328 (Div. 2) {592} | PROGRAMMING | Codeforces Round #328 Problem Analysis | 2800 | |
| 6153 | 2Char | brute force implementation | Statement | A | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | Codeforces Round #329 (Editorial) | 1200 | |
| 4204 | Anton and Lines | geometry sortings | Statement | B | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | 1600 | ||
| 1421 | Happy Tree Party | data structures dfs and similar graphs math trees | Statement | D | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | 2300 | ||
| 700 | Strange Calculation and Cats | dp matrices | Statement | E | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | 2600 | ||
| 325 | Beautiful Function | constructive algorithms math | Statement | C | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | 2700 | ||
| 560 | Max and Bike | binary search geometry | Statement | B | Codeforces Round 330 (Div. 1) {594} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 2400 | |
| 2011 | REQ | data structures number theory | Statement | D | Codeforces Round 330 (Div. 1) {594} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 2500 | |
| 759 | Edo and Magnets | brute force greedy implementation two pointers | Statement | C | Codeforces Round 330 (Div. 1) {594} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 2700 | |
| 1873 | Warrior and Archer | games | Statement | A | Codeforces Round 330 (Div. 1) {594} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 2900 | |
| 175 | Cutting the Line | string suffix structures strings | Statement | E | Codeforces Round 330 (Div. 1) {594} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 3200 | |
| 3093 | Pasha and Phone | binary search math | Statement | B | Codeforces Round 330 (Div. 2) {595} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 1600 | |
| 15493 | Vitaly and Night | constructive algorithms implementation | Statement | A | Codeforces Round 330 (Div. 2) {595} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 700 | |
| 8089 | Wilbur and Swimming Pool | geometry implementation | Statement | A | Codeforces Round 331 (Div. 2) {596} | PROGRAMMING | Codeforces Round #331 Editorial | 1200 | |
| 10888 | Wilbur and Array | greedy implementation | Statement | B | Codeforces Round 331 (Div. 2) {596} | PROGRAMMING | Codeforces Round #331 Editorial | 1200 | |
| 2334 | Wilbur and Points | combinatorics greedy sortings | Statement | C | Codeforces Round 331 (Div. 2) {596} | PROGRAMMING | Codeforces Round #331 Editorial | 1700 | |
| 729 | Wilbur and Trees | dp math probabilities sortings | Statement | D | Codeforces Round 331 (Div. 2) {596} | PROGRAMMING | Codeforces Round #331 Editorial | 2500 | |
| 425 | Wilbur and Strings | dfs and similar dp graphs strings | Statement | E | Codeforces Round 331 (Div. 2) {596} | PROGRAMMING | Codeforces Round #331 Editorial | 2900 | |
| 5654 | Restaurant | dp greedy sortings | Statement | B | Testing Round 12 {597} | PROGRAMMING | 1600 | ||
| 4929 | Divisibility | math | Statement | A | Testing Round 12 {597} | PROGRAMMING | 1600 | ||
| 6574 | Subsequences | data structures dp | Statement | C | Testing Round 12 {597} | PROGRAMMING | 1900 | ||
| 32117 | Tricky Sum | math | Statement | A | Educational Codeforces Round 1 {598} | PROGRAMMING | Editorial | 1000 | |
| 12185 | Queries on a String | implementation strings | Statement | B | Educational Codeforces Round 1 {598} | PROGRAMMING | Editorial | 1400 | |
| 13043 | Igor In the Museum | dfs and similar graphs shortest paths | Statement | D | Educational Codeforces Round 1 {598} | PROGRAMMING | Editorial | 1700 | |
| 6069 | Chocolate Bar | brute force dp | Statement | E | Educational Codeforces Round 1 {598} | PROGRAMMING | 2000 | ||
| 5373 | Nearest vectors | geometry sortings | Statement | C | Educational Codeforces Round 1 {598} | PROGRAMMING | Editorial | 2200 | |
| 451 | Cut Length | geometry | Statement | F | Educational Codeforces Round 1 {598} | PROGRAMMING | Editorial | 2900 | |
| 4576 | Spongebob and Joke | implementation | Statement | B | Codeforces Round 332 (Div. 2) {599} | PROGRAMMING | Editorial Codeforces Round #332 (Div. 2) | 1500 | |
| 5072 | Day at the Beach | sortings | Statement | C | Codeforces Round 332 (Div. 2) {599} | PROGRAMMING | Editorial Codeforces Round #332 (Div. 2) | 1600 | |
| 2728 | Spongebob and Squares | brute force math | Statement | D | Codeforces Round 332 (Div. 2) {599} | PROGRAMMING | Editorial Codeforces Round #332 (Div. 2) | 1800 | |
| 761 | Sandy and Nuts | bitmasks dp trees | Statement | E | Codeforces Round 332 (Div. 2) {599} | PROGRAMMING | Editorial Codeforces Round #332 (Div. 2) | 2100 | |
| 31410 | Patrick and Shopping | implementation | Statement | A | Codeforces Round 332 (Div. 2) {599} | PROGRAMMING | Editorial Codeforces Round #332 (Div. 2) | 800 | |
| 38895 | Queries about less or equal elements | binary search data structures sortings two pointers | Statement | B | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 1300 | |
| 5806 | Extract Numbers | implementation strings | Statement | A | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 1600 | |
| 7060 | Make Palindrome | constructive algorithms greedy strings | Statement | C | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 1800 | |
| 2699 | Area of Two Circles' Intersection | geometry | Statement | D | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 2000 | |
| 18277 | Lomsat gelral | data structures dfs and similar dsu trees | Statement | E | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 2300 | |
| 1154 | Edge coloring of bipartite graph | graphs | Statement | F | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 2900 | |
| 13842 | The Two Routes | graphs shortest paths | Statement | A | Codeforces Round 333 (Div. 1) {601} | PROGRAMMING | Codeforces Round #333 — editorial | 1600 | |
| 2422 | Lipshitz Sequence | data structures math | Statement | B | Codeforces Round 333 (Div. 1) {601} | PROGRAMMING | Codeforces Round #333 — editorial | 2200 | |
| 1413 | Kleofáš and the n-thlon | dp math probabilities | Statement | C | Codeforces Round 333 (Div. 1) {601} | PROGRAMMING | Codeforces Round #333 — editorial | 2400 | |
| 1244 | Acyclic Organic Compounds | data structures dfs and similar dsu hashing strings trees | Statement | D | Codeforces Round 333 (Div. 1) {601} | PROGRAMMING | Codeforces Round #333 — editorial | 2400 | |
| 1138 | A Museum Robbery | data structures dp | Statement | E | Codeforces Round 333 (Div. 1) {601} | PROGRAMMING | Codeforces Round #333 — editorial | 2800 | |
| 8792 | Two Bases | brute force implementation | Statement | A | Codeforces Round 333 (Div. 2) {602} | PROGRAMMING | Codeforces Round #333 — editorial | 1200 | |
| 12051 | Approximating a Constant Range | dp implementation two pointers | Statement | B | Codeforces Round 333 (Div. 2) {602} | PROGRAMMING | Codeforces Round #333 — editorial | 1400 | |
| 8243 | Alternative Thinking | dp greedy math | Statement | A | Codeforces Round 334 (Div. 1) {603} | PROGRAMMING | Codeforces Round #334 Bonus Editorial: More Ideas on Div. 1 E | 1600 | |
| 2710 | Moodular Arithmetic | combinatorics dfs and similar dsu math number theory | Statement | B | Codeforces Round 334 (Div. 1) {603} | PROGRAMMING | Codeforces Round #334 Editorial | 2000 | |
| 2058 | Lieges of Legendre | games math | Statement | C | Codeforces Round 334 (Div. 1) {603} | PROGRAMMING | Codeforces Round #334 Editorial | 2300 | |
| 360 | Ruminations on Ruminants | geometry math | Statement | D | Codeforces Round 334 (Div. 1) {603} | PROGRAMMING | Codeforces Round #334 Bonus Editorial: More Ideas on Div. 1 E | 2900 | |
| 1540 | Pastoral Oddities | data structures divide and conquer dsu math trees | Statement | E | Codeforces Round 334 (Div. 1) {603} | PROGRAMMING | Codeforces Round #334 Bonus Editorial: More Ideas on Div. 1 E | 2900 | |
| 9367 | Uncowed Forces | implementation | Statement | A | Codeforces Round 334 (Div. 2) {604} | PROGRAMMING | 21885 | 1000 | |
| 8984 | More Cowbell | binary search greedy | Statement | B | Codeforces Round 334 (Div. 2) {604} | PROGRAMMING | 21885 | 1400 | |
| 7581 | Sorting Railway Cars | constructive algorithms greedy | Statement | A | Codeforces Round 335 (Div. 1) {605} | PROGRAMMING | Codeforces Round #335 Problem Analysis | 1600 | |
| 3849 | Lazy Student | constructive algorithms data structures graphs | Statement | B | Codeforces Round 335 (Div. 1) {605} | PROGRAMMING | Codeforces Round #335 Problem Analysis | 1800 | |
| 905 | Board Game | data structures dfs and similar | Statement | D | Codeforces Round 335 (Div. 1) {605} | PROGRAMMING | Codeforces Round #335 Problem Analysis | 2400 | |
| 1294 | Freelancer's Dreams | geometry | Statement | C | Codeforces Round 335 (Div. 1) {605} | PROGRAMMING | Codeforces Round #335 Problem Analysis | 2500 | |
| 1546 | Intergalaxy Trips | probabilities shortest paths | Statement | E | Codeforces Round 335 (Div. 1) {605} | PROGRAMMING | Codeforces Round #335 Problem Analysis | 2600 | |
| 8229 | Magic Spheres | implementation | Statement | A | Codeforces Round 335 (Div. 2) {606} | PROGRAMMING | 22019 | 1200 | |
| 2832 | Testing Robots | implementation | Statement | B | Codeforces Round 335 (Div. 2) {606} | PROGRAMMING | 22019 | 1600 | |
| 10772 | Chain Reaction | binary search dp | Statement | A | Codeforces Round 336 (Div. 1) {607} | PROGRAMMING | Codeforces Round #336 Editorial | 1600 | |
| 16183 | Zuma | dp | Statement | B | Codeforces Round 336 (Div. 1) {607} | PROGRAMMING | Codeforces Round #336 Editorial | 2000 | |
| 643 | Power Tree | data structures trees | Statement | D | Codeforces Round 336 (Div. 1) {607} | PROGRAMMING | Codeforces Round #336 Editorial | 2600 | |
| 842 | Marbles | hashing strings | Statement | C | Codeforces Round 336 (Div. 1) {607} | PROGRAMMING | Codeforces Round #336 Editorial | 2600 | |
| 291 | Cross Sum | binary search geometry | Statement | E | Codeforces Round 336 (Div. 1) {607} | PROGRAMMING | Codeforces Round #336 Editorial | 3300 | |
| 9903 | Saitama Destroys Hotel | implementation math | Statement | A | Codeforces Round 336 (Div. 2) {608} | PROGRAMMING | Codeforces Round #336 Editorial | 1100 | |
| 7451 | Hamming Distance Sum | combinatorics strings | Statement | B | Codeforces Round 336 (Div. 2) {608} | PROGRAMMING | Codeforces Round #336 Editorial | 1500 | |
| 10076 | Книга - лучший подарок | constructive algorithms implementation | Statement | B | Educational Codeforces Round 3 {609} | PROGRAMMING | Editorial | 1100 | |
| 7385 | Load Balancing | implementation math | Statement | C | Educational Codeforces Round 3 {609} | PROGRAMMING | Editorial | 1500 | |
| 3157 | Gadgets for dollars and pounds | binary search greedy two pointers | Statement | D | Educational Codeforces Round 3 {609} | PROGRAMMING | 2000 | ||
| 10215 | Minimum spanning tree for each edge | data structures dfs and similar dsu graphs trees | Statement | E | Educational Codeforces Round 3 {609} | PROGRAMMING | Editorial | 2100 | |
| 1508 | Frogs and mosquitoes | data structures greedy | Statement | F | Educational Codeforces Round 3 {609} | PROGRAMMING | 2500 | ||
| 19392 | Флеш-карты | greedy implementation sortings | Statement | A | Educational Codeforces Round 3 {609} | PROGRAMMING | Editorial | 800 | |
| 27527 | Pasha and Stick | combinatorics math | Statement | A | Codeforces Round 337 (Div. 2) {610} | PROGRAMMING | Codeforces Round #337 (Div.2) Editorial | 1000 | |
| 8328 | Vika and Squares | constructive algorithms implementation | Statement | B | Codeforces Round 337 (Div. 2) {610} | PROGRAMMING | Codeforces Round #337 (Div.2) Editorial | 1300 | |
| 2960 | Harmony Analysis | constructive algorithms | Statement | C | Codeforces Round 337 (Div. 2) {610} | PROGRAMMING | Codeforces Round #337 (Div.2) Editorial | 1800 | |
| 1727 | Vika and Segments | constructive algorithms data structures geometry two pointers | Statement | D | Codeforces Round 337 (Div. 2) {610} | PROGRAMMING | Codeforces Round #337 (Div.2) Editorial | 2300 | |
| 1027 | Alphabet Permutations | data structures strings | Statement | E | Codeforces Round 337 (Div. 2) {610} | PROGRAMMING | Codeforces Round #337 (Div.2) Editorial | 2700 | |
| 11037 | New Year and Old Property | bitmasks brute force implementation | Statement | B | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 1300 | |
| 8988 | New Year and Domino | dp implementation | Statement | C | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 1500 | |
| 2743 | New Year and Ancient Prophecy | dp hashing strings | Statement | D | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 1900 | |
| 904 | New Year and Three Musketeers | data structures greedy sortings | Statement | E | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 2300 | |
| 522 | New Year and Cleaning | binary search implementation | Statement | F | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 2500 | |
| 464 | New Year and Cake | geometry two pointers | Statement | G | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 2900 | |
| 699 | New Year and Forgotten Tree | constructive algorithms flows graphs | Statement | H | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 3000 | |
| 12168 | New Year and Days | implementation | Statement | A | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 900 | |
| 7594 | HDD is Outdated Technology | implementation math | Statement | B | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 1200 | |
| 7833 | The Text Splitting | brute force implementation strings | Statement | A | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 1300 | |
| 9830 | Replace To Make Regular Bracket Sequence | data structures expression parsing math | Statement | C | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 1500 | |
| 4357 | The Union of k-Segments | greedy sortings | Statement | D | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 1900 | |
| 2001 | Square Root of Permutation | combinatorics constructive algorithms dfs and similar graphs math | Statement | E | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 2200 | |
| 463 | Simba on the Circle | dp | Statement | F | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 2600 | |
| 3427 | Peter and Snow Blower | binary search geometry ternary search | Statement | A | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | Tutorial | 1900 | |
| 2474 | Skills | binary search brute force dp greedy sortings two pointers | Statement | B | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | Tutorial | 2200 | |
| 1078 | Necklace | constructive algorithms math | Statement | C | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | Tutorial | 2800 | |
| 4012 | Kingdom and its Cities | dfs and similar divide and conquer dp graphs sortings trees | Statement | D | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | Tutorial | 2800 | |
| 525 | Puzzle Lover | dp hashing strings | Statement | E | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | Tutorial | 3200 | |
| 7289 | Gena's Code | implementation math | Statement | B | Codeforces Round 339 (Div. 2) {614} | PROGRAMMING | Tutorial | 1400 | |
| 7798 | Link/Cut Tree | brute force implementation | Statement | A | Codeforces Round 339 (Div. 2) {614} | PROGRAMMING | Tutorial | 1500 | |
| 5659 | Longtail Hedgehog | dp graphs | Statement | B | Codeforces Round 338 (Div. 2) {615} | PROGRAMMING | Codeforces Round #338 (Div. 2) editorial | 1600 | |
| 2462 | Running Track | dp greedy strings trees | Statement | C | Codeforces Round 338 (Div. 2) {615} | PROGRAMMING | Codeforces Round #338 (Div. 2) editorial | 1900 | |
| 4280 | Multipliers | math number theory | Statement | D | Codeforces Round 338 (Div. 2) {615} | PROGRAMMING | Codeforces Round #338 (Div. 2) editorial | 1900 | |
| 1061 | Hexagons | binary search implementation math | Statement | E | Codeforces Round 338 (Div. 2) {615} | PROGRAMMING | Codeforces Round #338 (Div. 2) editorial | 2200 | |
| 19588 | Bulbs | implementation | Statement | A | Codeforces Round 338 (Div. 2) {615} | PROGRAMMING | Codeforces Round #338 (Div. 2) editorial | 800 | |
| 13147 | Dinner with Emma | games greedy | Statement | B | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 1100 | |
| 10818 | Comparing Two Long Integers | implementation strings | Statement | A | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 1200 | |
| 6713 | The Labyrinth | dfs and similar | Statement | C | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 1600 | |
| 12307 | Longest k-Good Segment | binary search data structures two pointers | Statement | D | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 1700 | |
| 3485 | Sum of Remainders | implementation math number theory | Statement | E | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 2200 | |
| 723 | Expensive Strings | string suffix structures strings | Statement | F | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 2700 | |
| 19970 | Chocolate | combinatorics | Statement | B | Codeforces Round 340 (Div. 2) {617} | PROGRAMMING | Tutorial | 1300 | |
| 5227 | Watering Flowers | implementation | Statement | C | Codeforces Round 340 (Div. 2) {617} | PROGRAMMING | Tutorial | 1600 | |
| 4432 | Polyline | constructive algorithms implementation | Statement | D | Codeforces Round 340 (Div. 2) {617} | PROGRAMMING | Tutorial | 1700 | |
| 10576 | XOR and Favorite Number | data structures | Statement | E | Codeforces Round 340 (Div. 2) {617} | PROGRAMMING | Tutorial | 2300 | |
| 248032 | Elephant | math | Statement | A | Codeforces Round 340 (Div. 2) {617} | PROGRAMMING | Tutorial | 700 | |
| 8317 | Guess the Permutation | constructive algorithms | Statement | B | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 1200 | |
| 4654 | Constellation | geometry implementation | Statement | C | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 1600 | |
| 1877 | Hamiltonian Spanning Tree | dfs and similar dp graph matchings greedy trees | Statement | D | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 2200 | |
| 696 | Robot Arm | data structures geometry | Statement | E | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 2500 | |
| 1822 | Double Knapsack | constructive algorithms two pointers | Statement | F | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 2900 | |
| 271 | Combining Slimes | dp math matrices probabilities | Statement | G | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 3300 | |
| 8794 | Slime Combining | implementation | Statement | A | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 900 | |
| 14337 | Professor GukiZ's Robot | implementation math | Statement | A | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 1000 | |
| 10496 | Grandfather Dovlet’s calculator | implementation | Statement | B | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 1000 | |
| 7858 | Pearls in a Row | greedy | Statement | C | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 1500 | |
| 7056 | New Year Tree | bitmasks data structures trees | Statement | E | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 2100 | |
| 1995 | Professor GukiZ and Two Arrays | binary search two pointers | Statement | D | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 2200 | |
| 884 | Xors on Segments | data structures | Statement | F | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 2700 | |
| 22647 | Wet Shark and Odd and Even | implementation | Statement | A | Codeforces Round 341 (Div. 2) {621} | PROGRAMMING | Editorial | 1000 | |
| 11607 | Wet Shark and Bishops | combinatorics implementation | Statement | B | Codeforces Round 341 (Div. 2) {621} | PROGRAMMING | Editorial | 1300 | |
| 6226 | Wet Shark and Flowers | combinatorics math number theory probabilities | Statement | C | Codeforces Round 341 (Div. 2) {621} | PROGRAMMING | 1700 | ||
| 3229 | Wet Shark and Blocks | dp matrices | Statement | E | Codeforces Round 341 (Div. 2) {621} | PROGRAMMING | Editorial | 2100 | |
| 1086 | Rat Kwesh and Cheese | brute force constructive algorithms math | Statement | D | Codeforces Round 341 (Div. 2) {621} | PROGRAMMING | Editorial | 2200 | |
| 10943 | The Time | implementation | Statement | B | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 1100 | |
| 10241 | Infinite Sequence | implementation math | Statement | A | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 1100 | |
| 7511 | Not Equal on a Segment | data structures implementation | Statement | C | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 1700 | |
| 3385 | Optimal Number Permutation | constructive algorithms | Statement | D | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 1900 | |
| 2450 | Ants in Leaves | dfs and similar greedy sortings trees | Statement | E | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 2300 | |
| 4921 | The Sum of the k-th Powers | math | Statement | F | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 2600 | |
| 4779 | Graph and String | constructive algorithms graphs | Statement | A | AIM Tech Round (Div. 1) {623} | PROGRAMMING | 1800 | ||
| 2366 | Array GCD | dp greedy number theory | Statement | B | AIM Tech Round (Div. 1) {623} | PROGRAMMING | AIM Tech Round Tutorial | 2400 | |
| 555 | Birthday | greedy math probabilities | Statement | D | AIM Tech Round (Div. 1) {623} | PROGRAMMING | 2600 | ||
| 526 | Electric Charges | binary search dp | Statement | C | AIM Tech Round (Div. 1) {623} | PROGRAMMING | 2800 | ||
| 612 | Transforming Sequence | combinatorics dp fft math | Statement | E | AIM Tech Round (Div. 1) {623} | PROGRAMMING | AIM Tech Round Tutorial | 3300 | |
| 8396 | Making a String | greedy sortings | Statement | B | AIM Tech Round (Div. 2) {624} | PROGRAMMING | AIM Tech Round Tutorial | 1200 | |
| 11137 | Save Luke | math | Statement | A | AIM Tech Round (Div. 2) {624} | PROGRAMMING | AIM Tech Round Tutorial | 900 | |
| 11441 | War of the Corporations | constructive algorithms greedy strings | Statement | B | Codeforces Round 342 (Div. 2) {625} | PROGRAMMING | Codeforces Round #342 (Div. 2) : editorial | 1300 | |
| 7167 | K-special Tables | constructive algorithms implementation | Statement | C | Codeforces Round 342 (Div. 2) {625} | PROGRAMMING | Codeforces Round #342 (Div. 2) : editorial | 1300 | |
| 5664 | Guest From the Past | implementation math | Statement | A | Codeforces Round 342 (Div. 2) {625} | PROGRAMMING | Codeforces Round #342 (Div. 2) : editorial | 1700 | |
| 679 | Finals in arithmetic | constructive algorithms implementation math | Statement | D | Codeforces Round 342 (Div. 2) {625} | PROGRAMMING | Codeforces Round #342 (Div. 2) : editorial | 2400 | |
| 419 | Frog Fights | data structures greedy | Statement | E | Codeforces Round 342 (Div. 2) {625} | PROGRAMMING | Codeforces Round #342 (Div. 2) : editorial | 2900 | |
| 6697 | Robot Sequence | brute force implementation | Statement | A | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 1000 | |
| 6916 | Cards | constructive algorithms dp math | Statement | B | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 1300 | |
| 4615 | Block Towers | brute force greedy math number theory | Statement | C | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 1600 | |
| 3151 | Jerry's Protest | brute force combinatorics dp probabilities | Statement | D | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 1800 | |
| 1583 | Simple Skewness | binary search math ternary search | Statement | E | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 2400 | |
| 3583 | Group Projects | dp | Statement | F | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 2400 | |
| 607 | Raffles | data structures dp greedy math | Statement | G | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 3000 | |
| 3399 | Factory Repairs | data structures | Statement | B | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 1700 | |
| 4790 | XOR Equation | dp math | Statement | A | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 1800 | |
| 1313 | Package Delivery | data structures divide and conquer greedy | Statement | C | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 2300 | |
| 996 | Preorder Test | binary search dfs and similar dp graphs greedy trees | Statement | D | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 2600 | |
| 709 | Orchestra | two pointers | Statement | E | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 3000 | |
| 251 | Island Puzzle | dfs and similar dsu graphs trees | Statement | F | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 3400 | |
| 7065 | Tennis Tournament | implementation | Statement | A | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 1100 | |
| 12050 | New Skateboard | dp | Statement | B | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 1300 | |
| 6507 | Bear and String Distance | greedy strings | Statement | C | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 1400 | |
| 8216 | Magic Numbers | dp | Statement | D | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 2200 | |
| 1085 | Zbazi in Zeydabad | data structures implementation | Statement | E | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 2300 | |
| 963 | Bear and Fair Set | flows | Statement | F | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 2500 | |
| 8334 | Far Relative’s Problem | brute force | Statement | B | Codeforces Round 343 (Div. 2) {629} | PROGRAMMING | Editorial of Codeforces Round #343 (Div.2) | 1200 | |
| 4487 | Babaei and Birthday Cake | data structures dp | Statement | D | Codeforces Round 343 (Div. 2) {629} | PROGRAMMING | Editorial of Codeforces Round #343 (Div.2) | 1900 | |
| 3022 | Famil Door and Brackets | dp strings | Statement | C | Codeforces Round 343 (Div. 2) {629} | PROGRAMMING | Editorial of Codeforces Round #343 (Div.2) | 2000 | |
| 1149 | Famil Door and Roads | combinatorics data structures dfs and similar dp probabilities trees | Statement | E | Codeforces Round 343 (Div. 2) {629} | PROGRAMMING | Editorial of Codeforces Round #343 (Div.2) | 2400 | |
| 14840 | 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 | |
| 26855 | Lucky Numbers | combinatorics math | Statement | C | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | 24160 | 1100 | |
| 12645 | Hexagons! | math | Statement | D | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1200 | |
| 12693 | Divisibility | math number theory | Statement | J | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1200 | |
| 9578 | Game | games math | Statement | R | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1300 | |
| 8352 | Moore's Law | math | Statement | B | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1400 | |
| 8042 | Selection of Personnel | combinatorics math | Statement | F | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1500 | |
| 5217 | Forecast | math | Statement | N | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1500 | |
| 6325 | Indivisibility | math number theory | Statement | K | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1700 | |
| 4036 | Cracking the Code | implementation math | Statement | L | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1700 | |
| 5659 | Benches | combinatorics math | Statement | H | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | 24160 | 1700 | |
| 3300 | Challenge Pennants | combinatorics math | Statement | G | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1800 | |
| 8244 | Parking Lot | combinatorics math | Statement | I | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1900 | |
| 1398 | Turn | geometry math | Statement | M | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | 24160 | 2000 | |
| 1459 | Pyramids | geometry math | Statement | Q | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 2100 | |
| 2630 | A rectangle | math | Statement | E | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | 24160 | 2100 | |
| 882 | Arrow | geometry | Statement | O | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | 24160 | 2300 | |
| 1344 | Area of a Star | geometry | Statement | P | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 2400 | |
| 93072 | Again Twenty Five! | number theory | Statement | A | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 800 | |
| 9734 | Interview | brute force implementation | Statement | A | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 1000 | |
| 7867 | Print Check | constructive algorithms implementation | Statement | B | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 1300 | |
| 4439 | Report | data structures sortings | Statement | C | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 1700 | |
| 2378 | Messenger | data structures hashing implementation string suffix structures strings | Statement | D | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 2100 | |
| 3189 | Product Sum | data structures dp geometry | Statement | E | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 2500 | |
| 4919 | Grandma Laura and Apples | Statement | A | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 1200 | ||
| 4390 | Alice, Bob, Two Teams | brute force constructive algorithms | Statement | B | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 1400 | |
| 10349 | The Smallest String Concatenation | sortings strings | Statement | C | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 1800 | |
| 4568 | Longest Subsequence | brute force math number theory | Statement | D | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 2200 | |
| 1283 | Magic Matrix | brute force divide and conquer graphs matrices trees | Statement | F | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 2400 | |
| 3538 | Thief in a Shop | divide and conquer dp fft math | Statement | E | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 2500 | |
| 14672 | Ebony and Ivory | brute force math number theory | Statement | A | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 1200 | |
| 7233 | A Trivial Problem | brute force constructive algorithms math number theory | Statement | B | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 1300 | |
| 3365 | Spy Syndrome 2 | data structures dp hashing implementation sortings string suffix structures strings | Statement | C | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 1900 | |
| 3048 | Fibonacci-ish | brute force dp hashing implementation math | Statement | D | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2000 | |
| 621 | Startup Funding | binary search constructive algorithms data structures probabilities two pointers | Statement | E | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2400 | |
| 1373 | The Chocolate Spree | dfs and similar dp graphs trees | Statement | F | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2500 | |
| 875 | Yash And Trees | bitmasks data structures dfs and similar math number theory | Statement | G | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2700 | |
| 695 | Fibonacci-ish II | data structures implementation | Statement | H | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2800 | |
| 3453 | Island Puzzle | constructive algorithms implementation | Statement | A | 8VC Venture Cup 2016 - Final Round (Div. 1 Edition) {634} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 1400 | |
| 3201 | Orchestra | brute force implementation | Statement | A | 8VC Venture Cup 2016 - Final Round (Div. 2 Edition) {635} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 1200 | |
| 5827 | Voting for Photos | *special constructive algorithms implementation | Statement | A | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 1500 | ||
| 22557 | Chat Order | *special binary search constructive algorithms data structures sortings | Statement | B | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 1500 | ||
| 2524 | Promocodes with Mistakes | *special brute force constructive algorithms implementation | Statement | C | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 1800 | ||
| 2125 | Running with Obstacles | *special data structures dp greedy | Statement | D | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 2000 | ||
| 4366 | Home Numbers | *special constructive algorithms math | Statement | A | VK Cup 2016 - Qualification Round 2 {638} | PROGRAMMING | 1500 | ||
| 2113 | Making Genome in Berland | *special dfs and similar strings | Statement | B | VK Cup 2016 - Qualification Round 2 {638} | PROGRAMMING | 1800 | ||
| 2258 | Road Improvement | *special dfs and similar graphs greedy trees | Statement | C | VK Cup 2016 - Qualification Round 2 {638} | PROGRAMMING | 2100 | ||
| 793 | Three-dimensional Turtle Super Computer | brute force dfs and similar graphs | Statement | D | VK Cup 2016 - Qualification Round 2 {638} | PROGRAMMING | 2200 | ||
| 6408 | Bear and Displayed Friends | implementation | Statement | A | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 1200 | |
| 6983 | Bear and Forgotten Tree 3 | constructive algorithms graphs trees | Statement | B | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 1600 | |
| 1253 | Bear and Polynomials | hashing implementation math | Statement | C | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 2200 | |
| 1066 | Bear and Contribution | data structures greedy sortings | Statement | D | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 2500 | |
| 617 | Bear and Paradox | greedy math sortings | Statement | E | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 2800 | |
| 450 | Bear and Chemistry | data structures dfs and similar graphs trees | Statement | F | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 3300 | |
| 6321 | Little Artem and Grasshopper | implementation | Statement | A | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 1100 | |
| 4383 | Little Artem and Matrix | implementation | Statement | B | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 1400 | |
| 3190 | 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 | |
| 3872 | Little Artem and Time Machine | data structures | Statement | E | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 2000 | |
| 1572 | Little Artem and Random Variable | dp implementation math probabilities | Statement | D | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 2300 | |
| 243 | Little Artem and 2-SAT | Statement | F | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 2900 | ||
| 117 | Little Artem and Graph | Statement | G | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 3300 | ||
| 0 | Scheduler for Invokers | *special | Statement | A | VK Cup 2016 - Wild Card Round 2 {642} | PROGRAMMING | 2900 | ||
| 4559 | Bear and Colors | implementation | Statement | A | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 1500 | |
| 3394 | Bear and Two Paths | constructive algorithms graphs | Statement | B | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 1600 | |
| 1721 | Levels and Regions | dp | Statement | C | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 2500 | |
| 700 | Bear and Destroying Subtrees | dp math probabilities trees | Statement | E | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 2600 | |
| 819 | Bears and Juice | dp math meet-in-the-middle | Statement | F | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 2900 | |
| 340 | Bearish Fanpages | Statement | D | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 2900 | ||
| 1160 | Choosing Ads | data structures | Statement | G | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 3100 | |
| 4665 | Parliament of Berland | *special constructive algorithms | Statement | A | CROC 2016 - Qualification {644} | PROGRAMMING | 1700 | ||
| 2843 | Processing Queries | *special constructive algorithms data structures two pointers | Statement | B | CROC 2016 - Qualification {644} | PROGRAMMING | 2200 |