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< 1 2 3 ... 9 10 11 12 13 ... 44 45 46 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 8703 | Rebranding | implementation strings | Statement | B | Codeforces Round 327 (Div. 2) {591} | PROGRAMMING | Editorial | 1200 | |
| 17481 | Wizards' Duel | implementation math | Statement | A | Codeforces Round 327 (Div. 2) {591} | PROGRAMMING | 900 | ||
| 8879 | The Monster and the Squirrel | math | Statement | B | Codeforces Round 328 (Div. 2) {592} | PROGRAMMING | Codeforces Round #328 Problem Analysis | 1200 | |
| 6573 | PawnChess | implementation | Statement | A | Codeforces Round 328 (Div. 2) {592} | PROGRAMMING | Codeforces Round #328 Problem Analysis | 1300 | |
| 3205 | The Big Race | math | Statement | C | Codeforces Round 328 (Div. 2) {592} | PROGRAMMING | Codeforces Round #328 Problem Analysis | 1700 | |
| 3032 | Super M | dfs and similar dp graphs trees | Statement | D | Codeforces Round 328 (Div. 2) {592} | PROGRAMMING | Codeforces Round #328 Problem Analysis | 2200 | |
| 286 | BCPC | binary search geometry two pointers | Statement | E | Codeforces Round 328 (Div. 2) {592} | PROGRAMMING | Codeforces Round #328 Problem Analysis | 2800 | |
| 6210 | 2Char | brute force implementation | Statement | A | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | Codeforces Round #329 (Editorial) | 1200 | |
| 4226 | Anton and Lines | geometry sortings | Statement | B | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | 1600 | ||
| 1478 | Happy Tree Party | data structures dfs and similar graphs math trees | Statement | D | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | 2300 | ||
| 727 | Strange Calculation and Cats | dp matrices | Statement | E | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | 2600 | ||
| 341 | Beautiful Function | constructive algorithms math | Statement | C | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | 2700 | ||
| 605 | Max and Bike | binary search geometry | Statement | B | Codeforces Round 330 (Div. 1) {594} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 2400 | |
| 2144 | REQ | data structures number theory | Statement | D | Codeforces Round 330 (Div. 1) {594} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 2500 | |
| 785 | 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 | |
| 1912 | Warrior and Archer | games | Statement | A | Codeforces Round 330 (Div. 1) {594} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 2900 | |
| 176 | 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 | |
| 3128 | Pasha and Phone | binary search math | Statement | B | Codeforces Round 330 (Div. 2) {595} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 1600 | |
| 15602 | Vitaly and Night | constructive algorithms implementation | Statement | A | Codeforces Round 330 (Div. 2) {595} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 700 | |
| 8141 | Wilbur and Swimming Pool | geometry implementation | Statement | A | Codeforces Round 331 (Div. 2) {596} | PROGRAMMING | Codeforces Round #331 Editorial | 1200 | |
| 10970 | Wilbur and Array | greedy implementation | Statement | B | Codeforces Round 331 (Div. 2) {596} | PROGRAMMING | Codeforces Round #331 Editorial | 1200 | |
| 2348 | Wilbur and Points | combinatorics greedy sortings | Statement | C | Codeforces Round 331 (Div. 2) {596} | PROGRAMMING | Codeforces Round #331 Editorial | 1700 | |
| 773 | Wilbur and Trees | dp math probabilities sortings | Statement | D | Codeforces Round 331 (Div. 2) {596} | PROGRAMMING | Codeforces Round #331 Editorial | 2500 | |
| 458 | Wilbur and Strings | dfs and similar dp graphs strings | Statement | E | Codeforces Round 331 (Div. 2) {596} | PROGRAMMING | Codeforces Round #331 Editorial | 2900 | |
| 5800 | Restaurant | dp greedy sortings | Statement | B | Testing Round 12 {597} | PROGRAMMING | 1600 | ||
| 4994 | Divisibility | math | Statement | A | Testing Round 12 {597} | PROGRAMMING | 1600 | ||
| 7115 | Subsequences | data structures dp | Statement | C | Testing Round 12 {597} | PROGRAMMING | 1900 | ||
| 33322 | Tricky Sum | math | Statement | A | Educational Codeforces Round 1 {598} | PROGRAMMING | Editorial | 1000 | |
| 12424 | Queries on a String | implementation strings | Statement | B | Educational Codeforces Round 1 {598} | PROGRAMMING | Editorial | 1400 | |
| 13943 | Igor In the Museum | dfs and similar graphs shortest paths | Statement | D | Educational Codeforces Round 1 {598} | PROGRAMMING | Editorial | 1700 | |
| 6310 | Chocolate Bar | brute force dp | Statement | E | Educational Codeforces Round 1 {598} | PROGRAMMING | 2000 | ||
| 5625 | Nearest vectors | geometry sortings | Statement | C | Educational Codeforces Round 1 {598} | PROGRAMMING | Editorial | 2200 | |
| 513 | Cut Length | geometry | Statement | F | Educational Codeforces Round 1 {598} | PROGRAMMING | Editorial | 2900 | |
| 4601 | Spongebob and Joke | implementation | Statement | B | Codeforces Round 332 (Div. 2) {599} | PROGRAMMING | Editorial Codeforces Round #332 (Div. 2) | 1500 | |
| 5204 | Day at the Beach | sortings | Statement | C | Codeforces Round 332 (Div. 2) {599} | PROGRAMMING | Editorial Codeforces Round #332 (Div. 2) | 1600 | |
| 2743 | Spongebob and Squares | brute force math | Statement | D | Codeforces Round 332 (Div. 2) {599} | PROGRAMMING | Editorial Codeforces Round #332 (Div. 2) | 1800 | |
| 824 | Sandy and Nuts | bitmasks dp trees | Statement | E | Codeforces Round 332 (Div. 2) {599} | PROGRAMMING | Editorial Codeforces Round #332 (Div. 2) | 2100 | |
| 31859 | Patrick and Shopping | implementation | Statement | A | Codeforces Round 332 (Div. 2) {599} | PROGRAMMING | Editorial Codeforces Round #332 (Div. 2) | 800 | |
| 41440 | Queries about less or equal elements | binary search data structures sortings two pointers | Statement | B | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 1300 | |
| 5890 | Extract Numbers | implementation strings | Statement | A | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 1600 | |
| 7247 | Make Palindrome | constructive algorithms greedy strings | Statement | C | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 1800 | |
| 2794 | Area of Two Circles' Intersection | geometry | Statement | D | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 2000 | |
| 19657 | Lomsat gelral | data structures dfs and similar dsu trees | Statement | E | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 2300 | |
| 1240 | Edge coloring of bipartite graph | graphs | Statement | F | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 2900 | |
| 14292 | The Two Routes | graphs shortest paths | Statement | A | Codeforces Round 333 (Div. 1) {601} | PROGRAMMING | Codeforces Round #333 — editorial | 1600 | |
| 2473 | Lipshitz Sequence | data structures math | Statement | B | Codeforces Round 333 (Div. 1) {601} | PROGRAMMING | Codeforces Round #333 — editorial | 2200 | |
| 1475 | Kleofáš and the n-thlon | dp math probabilities | Statement | C | Codeforces Round 333 (Div. 1) {601} | PROGRAMMING | Codeforces Round #333 — editorial | 2400 | |
| 1282 | 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 | |
| 1290 | A Museum Robbery | data structures dp | Statement | E | Codeforces Round 333 (Div. 1) {601} | PROGRAMMING | Codeforces Round #333 — editorial | 2800 | |
| 8833 | Two Bases | brute force implementation | Statement | A | Codeforces Round 333 (Div. 2) {602} | PROGRAMMING | Codeforces Round #333 — editorial | 1200 | |
| 12432 | Approximating a Constant Range | dp implementation two pointers | Statement | B | Codeforces Round 333 (Div. 2) {602} | PROGRAMMING | Codeforces Round #333 — editorial | 1400 | |
| 8321 | 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 | |
| 2748 | Moodular Arithmetic | combinatorics dfs and similar dsu math number theory | Statement | B | Codeforces Round 334 (Div. 1) {603} | PROGRAMMING | Codeforces Round #334 Editorial | 2000 | |
| 2130 | Lieges of Legendre | games math | Statement | C | Codeforces Round 334 (Div. 1) {603} | PROGRAMMING | Codeforces Round #334 Editorial | 2300 | |
| 499 | 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 | |
| 1620 | 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 | |
| 9476 | Uncowed Forces | implementation | Statement | A | Codeforces Round 334 (Div. 2) {604} | PROGRAMMING | 21885 | 1000 | |
| 9077 | More Cowbell | binary search greedy | Statement | B | Codeforces Round 334 (Div. 2) {604} | PROGRAMMING | 21885 | 1400 | |
| 7662 | Sorting Railway Cars | constructive algorithms greedy | Statement | A | Codeforces Round 335 (Div. 1) {605} | PROGRAMMING | Codeforces Round #335 Problem Analysis | 1600 | |
| 3902 | Lazy Student | constructive algorithms data structures graphs | Statement | B | Codeforces Round 335 (Div. 1) {605} | PROGRAMMING | Codeforces Round #335 Problem Analysis | 1800 | |
| 977 | Board Game | data structures dfs and similar | Statement | D | Codeforces Round 335 (Div. 1) {605} | PROGRAMMING | Codeforces Round #335 Problem Analysis | 2400 | |
| 1333 | Freelancer's Dreams | geometry | Statement | C | Codeforces Round 335 (Div. 1) {605} | PROGRAMMING | Codeforces Round #335 Problem Analysis | 2500 | |
| 1636 | Intergalaxy Trips | probabilities shortest paths | Statement | E | Codeforces Round 335 (Div. 1) {605} | PROGRAMMING | Codeforces Round #335 Problem Analysis | 2600 | |
| 8345 | Magic Spheres | implementation | Statement | A | Codeforces Round 335 (Div. 2) {606} | PROGRAMMING | 22019 | 1200 | |
| 2862 | Testing Robots | implementation | Statement | B | Codeforces Round 335 (Div. 2) {606} | PROGRAMMING | 22019 | 1600 | |
| 11149 | Chain Reaction | binary search dp | Statement | A | Codeforces Round 336 (Div. 1) {607} | PROGRAMMING | Codeforces Round #336 Editorial | 1600 | |
| 17473 | Zuma | dp | Statement | B | Codeforces Round 336 (Div. 1) {607} | PROGRAMMING | Codeforces Round #336 Editorial | 2000 | |
| 690 | Power Tree | data structures trees | Statement | D | Codeforces Round 336 (Div. 1) {607} | PROGRAMMING | Codeforces Round #336 Editorial | 2600 | |
| 857 | Marbles | hashing strings | Statement | C | Codeforces Round 336 (Div. 1) {607} | PROGRAMMING | Codeforces Round #336 Editorial | 2600 | |
| 369 | Cross Sum | binary search geometry | Statement | E | Codeforces Round 336 (Div. 1) {607} | PROGRAMMING | Codeforces Round #336 Editorial | 3300 | |
| 10070 | Saitama Destroys Hotel | implementation math | Statement | A | Codeforces Round 336 (Div. 2) {608} | PROGRAMMING | Codeforces Round #336 Editorial | 1100 | |
| 7601 | Hamming Distance Sum | combinatorics strings | Statement | B | Codeforces Round 336 (Div. 2) {608} | PROGRAMMING | Codeforces Round #336 Editorial | 1500 | |
| 10227 | Книга - лучший подарок | constructive algorithms implementation | Statement | B | Educational Codeforces Round 3 {609} | PROGRAMMING | Editorial | 1100 | |
| 7527 | Load Balancing | implementation math | Statement | C | Educational Codeforces Round 3 {609} | PROGRAMMING | Editorial | 1500 | |
| 3267 | Gadgets for dollars and pounds | binary search greedy two pointers | Statement | D | Educational Codeforces Round 3 {609} | PROGRAMMING | 2000 | ||
| 11006 | Minimum spanning tree for each edge | data structures dfs and similar dsu graphs trees | Statement | E | Educational Codeforces Round 3 {609} | PROGRAMMING | Editorial | 2100 | |
| 1684 | Frogs and mosquitoes | data structures greedy | Statement | F | Educational Codeforces Round 3 {609} | PROGRAMMING | 2500 | ||
| 19703 | Флеш-карты | greedy implementation sortings | Statement | A | Educational Codeforces Round 3 {609} | PROGRAMMING | Editorial | 800 | |
| 28355 | Pasha and Stick | combinatorics math | Statement | A | Codeforces Round 337 (Div. 2) {610} | PROGRAMMING | Codeforces Round #337 (Div.2) Editorial | 1000 | |
| 8428 | Vika and Squares | constructive algorithms implementation | Statement | B | Codeforces Round 337 (Div. 2) {610} | PROGRAMMING | Codeforces Round #337 (Div.2) Editorial | 1300 | |
| 2991 | Harmony Analysis | constructive algorithms | Statement | C | Codeforces Round 337 (Div. 2) {610} | PROGRAMMING | Codeforces Round #337 (Div.2) Editorial | 1800 | |
| 1787 | 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 | |
| 1099 | Alphabet Permutations | data structures strings | Statement | E | Codeforces Round 337 (Div. 2) {610} | PROGRAMMING | Codeforces Round #337 (Div.2) Editorial | 2700 | |
| 11314 | New Year and Old Property | bitmasks brute force implementation | Statement | B | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 1300 | |
| 9171 | New Year and Domino | dp implementation | Statement | C | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 1500 | |
| 2818 | New Year and Ancient Prophecy | dp hashing strings | Statement | D | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 1900 | |
| 931 | New Year and Three Musketeers | data structures greedy sortings | Statement | E | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 2300 | |
| 563 | New Year and Cleaning | binary search implementation | Statement | F | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 2500 | |
| 501 | New Year and Cake | geometry two pointers | Statement | G | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 2900 | |
| 876 | New Year and Forgotten Tree | constructive algorithms flows graphs | Statement | H | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 3000 | |
| 12269 | New Year and Days | implementation | Statement | A | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 900 | |
| 7682 | HDD is Outdated Technology | implementation math | Statement | B | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 1200 | |
| 7930 | The Text Splitting | brute force implementation strings | Statement | A | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 1300 | |
| 10250 | Replace To Make Regular Bracket Sequence | data structures expression parsing math | Statement | C | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 1500 | |
| 4511 | The Union of k-Segments | greedy sortings | Statement | D | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 1900 | |
| 2148 | Square Root of Permutation | combinatorics constructive algorithms dfs and similar graphs math | Statement | E | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 2200 | |
| 492 | Simba on the Circle | dp | Statement | F | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 2600 | |
| 3482 | Peter and Snow Blower | binary search geometry ternary search | Statement | A | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | Tutorial | 1900 | |
| 2507 | Skills | binary search brute force dp greedy sortings two pointers | Statement | B | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | Tutorial | 2200 | |
| 1114 | Necklace | constructive algorithms math | Statement | C | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | Tutorial | 2800 | |
| 4385 | 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 | |
| 542 | Puzzle Lover | dp hashing strings | Statement | E | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | Tutorial | 3200 | |
| 7363 | Gena's Code | implementation math | Statement | B | Codeforces Round 339 (Div. 2) {614} | PROGRAMMING | Tutorial | 1400 | |
| 7870 | Link/Cut Tree | brute force implementation | Statement | A | Codeforces Round 339 (Div. 2) {614} | PROGRAMMING | Tutorial | 1500 | |
| 5848 | Longtail Hedgehog | dp graphs | Statement | B | Codeforces Round 338 (Div. 2) {615} | PROGRAMMING | Codeforces Round #338 (Div. 2) editorial | 1600 | |
| 2496 | Running Track | dp greedy strings trees | Statement | C | Codeforces Round 338 (Div. 2) {615} | PROGRAMMING | Codeforces Round #338 (Div. 2) editorial | 1900 | |
| 4367 | Multipliers | math number theory | Statement | D | Codeforces Round 338 (Div. 2) {615} | PROGRAMMING | Codeforces Round #338 (Div. 2) editorial | 1900 | |
| 1110 | Hexagons | binary search implementation math | Statement | E | Codeforces Round 338 (Div. 2) {615} | PROGRAMMING | Codeforces Round #338 (Div. 2) editorial | 2200 | |
| 20799 | Bulbs | implementation | Statement | A | Codeforces Round 338 (Div. 2) {615} | PROGRAMMING | Codeforces Round #338 (Div. 2) editorial | 800 | |
| 13357 | Dinner with Emma | games greedy | Statement | B | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 1100 | |
| 10987 | Comparing Two Long Integers | implementation strings | Statement | A | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 1200 | |
| 6998 | The Labyrinth | dfs and similar | Statement | C | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 1600 | |
| 13251 | 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 | |
| 3770 | Sum of Remainders | implementation math number theory | Statement | E | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 2200 | |
| 787 | Expensive Strings | string suffix structures strings | Statement | F | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 2700 | |
| 20468 | Chocolate | combinatorics | Statement | B | Codeforces Round 340 (Div. 2) {617} | PROGRAMMING | Tutorial | 1300 | |
| 5294 | Watering Flowers | implementation | Statement | C | Codeforces Round 340 (Div. 2) {617} | PROGRAMMING | Tutorial | 1600 | |
| 4464 | Polyline | constructive algorithms implementation | Statement | D | Codeforces Round 340 (Div. 2) {617} | PROGRAMMING | Tutorial | 1700 | |
| 11199 | XOR and Favorite Number | data structures | Statement | E | Codeforces Round 340 (Div. 2) {617} | PROGRAMMING | Tutorial | 2300 | |
| 261853 | Elephant | math | Statement | A | Codeforces Round 340 (Div. 2) {617} | PROGRAMMING | Tutorial | 700 | |
| 8417 | Guess the Permutation | constructive algorithms | Statement | B | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 1200 | |
| 4817 | Constellation | geometry implementation | Statement | C | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 1600 | |
| 2062 | 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 | |
| 728 | Robot Arm | data structures geometry | Statement | E | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 2500 | |
| 2184 | 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 | |
| 277 | 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 | |
| 8906 | Slime Combining | implementation | Statement | A | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 900 | |
| 14830 | Professor GukiZ's Robot | implementation math | Statement | A | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 1000 | |
| 10651 | Grandfather Dovlet’s calculator | implementation | Statement | B | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 1000 | |
| 8056 | Pearls in a Row | greedy | Statement | C | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 1500 | |
| 7623 | New Year Tree | bitmasks data structures trees | Statement | E | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 2100 | |
| 2077 | Professor GukiZ and Two Arrays | binary search two pointers | Statement | D | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 2200 | |
| 919 | Xors on Segments | data structures | Statement | F | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 2700 | |
| 23165 | Wet Shark and Odd and Even | implementation | Statement | A | Codeforces Round 341 (Div. 2) {621} | PROGRAMMING | Editorial | 1000 | |
| 11700 | Wet Shark and Bishops | combinatorics implementation | Statement | B | Codeforces Round 341 (Div. 2) {621} | PROGRAMMING | Editorial | 1300 | |
| 6548 | Wet Shark and Flowers | combinatorics math number theory probabilities | Statement | C | Codeforces Round 341 (Div. 2) {621} | PROGRAMMING | 1700 | ||
| 3388 | Wet Shark and Blocks | dp matrices | Statement | E | Codeforces Round 341 (Div. 2) {621} | PROGRAMMING | Editorial | 2100 | |
| 1128 | Rat Kwesh and Cheese | brute force constructive algorithms math | Statement | D | Codeforces Round 341 (Div. 2) {621} | PROGRAMMING | Editorial | 2200 | |
| 11108 | The Time | implementation | Statement | B | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 1100 | |
| 10351 | Infinite Sequence | implementation math | Statement | A | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 1100 | |
| 7646 | Not Equal on a Segment | data structures implementation | Statement | C | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 1700 | |
| 3477 | Optimal Number Permutation | constructive algorithms | Statement | D | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 1900 | |
| 2549 | Ants in Leaves | dfs and similar greedy sortings trees | Statement | E | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 2300 | |
| 5185 | The Sum of the k-th Powers | math | Statement | F | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 2600 | |
| 4864 | Graph and String | constructive algorithms graphs | Statement | A | AIM Tech Round (Div. 1) {623} | PROGRAMMING | 1800 | ||
| 2441 | Array GCD | dp greedy number theory | Statement | B | AIM Tech Round (Div. 1) {623} | PROGRAMMING | AIM Tech Round Tutorial | 2400 | |
| 592 | Birthday | greedy math probabilities | Statement | D | AIM Tech Round (Div. 1) {623} | PROGRAMMING | 2600 | ||
| 590 | Electric Charges | binary search dp | Statement | C | AIM Tech Round (Div. 1) {623} | PROGRAMMING | 2800 | ||
| 728 | Transforming Sequence | combinatorics dp fft math | Statement | E | AIM Tech Round (Div. 1) {623} | PROGRAMMING | AIM Tech Round Tutorial | 3300 | |
| 8483 | Making a String | greedy sortings | Statement | B | AIM Tech Round (Div. 2) {624} | PROGRAMMING | AIM Tech Round Tutorial | 1200 | |
| 11242 | Save Luke | math | Statement | A | AIM Tech Round (Div. 2) {624} | PROGRAMMING | AIM Tech Round Tutorial | 900 | |
| 11695 | War of the Corporations | constructive algorithms greedy strings | Statement | B | Codeforces Round 342 (Div. 2) {625} | PROGRAMMING | Codeforces Round #342 (Div. 2) : editorial | 1300 | |
| 7213 | K-special Tables | constructive algorithms implementation | Statement | C | Codeforces Round 342 (Div. 2) {625} | PROGRAMMING | Codeforces Round #342 (Div. 2) : editorial | 1300 | |
| 5690 | Guest From the Past | implementation math | Statement | A | Codeforces Round 342 (Div. 2) {625} | PROGRAMMING | Codeforces Round #342 (Div. 2) : editorial | 1700 | |
| 709 | Finals in arithmetic | constructive algorithms implementation math | Statement | D | Codeforces Round 342 (Div. 2) {625} | PROGRAMMING | Codeforces Round #342 (Div. 2) : editorial | 2400 | |
| 423 | Frog Fights | data structures greedy | Statement | E | Codeforces Round 342 (Div. 2) {625} | PROGRAMMING | Codeforces Round #342 (Div. 2) : editorial | 2900 | |
| 6963 | Robot Sequence | brute force implementation | Statement | A | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 1000 | |
| 7144 | Cards | constructive algorithms dp math | Statement | B | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 1300 | |
| 4646 | Block Towers | brute force greedy math number theory | Statement | C | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 1600 | |
| 3268 | Jerry's Protest | brute force combinatorics dp probabilities | Statement | D | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 1800 | |
| 1680 | Simple Skewness | binary search math ternary search | Statement | E | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 2400 | |
| 3815 | Group Projects | dp | Statement | F | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 2400 | |
| 937 | Raffles | data structures dp greedy math | Statement | G | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 3000 | |
| 3497 | Factory Repairs | data structures | Statement | B | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 1700 | |
| 4894 | XOR Equation | dp math | Statement | A | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 1800 | |
| 1363 | 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 | |
| 1040 | 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 | |
| 839 | Orchestra | two pointers | Statement | E | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 3000 | |
| 271 | 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 | |
| 7176 | Tennis Tournament | implementation | Statement | A | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 1100 | |
| 12334 | New Skateboard | dp | Statement | B | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 1300 | |
| 6631 | Bear and String Distance | greedy strings | Statement | C | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 1400 | |
| 9152 | Magic Numbers | dp | Statement | D | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 2200 | |
| 1121 | Zbazi in Zeydabad | data structures implementation | Statement | E | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 2300 | |
| 1064 | Bear and Fair Set | flows | Statement | F | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 2500 | |
| 8383 | Far Relative’s Problem | brute force | Statement | B | Codeforces Round 343 (Div. 2) {629} | PROGRAMMING | Editorial of Codeforces Round #343 (Div.2) | 1200 | |
| 4633 | Babaei and Birthday Cake | data structures dp | Statement | D | Codeforces Round 343 (Div. 2) {629} | PROGRAMMING | Editorial of Codeforces Round #343 (Div.2) | 1900 | |
| 3087 | Famil Door and Brackets | dp strings | Statement | C | Codeforces Round 343 (Div. 2) {629} | PROGRAMMING | Editorial of Codeforces Round #343 (Div.2) | 2000 | |
| 1211 | 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 | |
| 15038 | 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 | |
| 27910 | Lucky Numbers | combinatorics math | Statement | C | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | 24160 | 1100 | |
| 12904 | Hexagons! | math | Statement | D | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1200 | |
| 12956 | Divisibility | math number theory | Statement | J | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1200 | |
| 9731 | Game | games math | Statement | R | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1300 | |
| 8469 | Moore's Law | math | Statement | B | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1400 | |
| 8191 | Selection of Personnel | combinatorics math | Statement | F | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1500 | |
| 5267 | Forecast | math | Statement | N | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1500 | |
| 6537 | Indivisibility | math number theory | Statement | K | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1700 | |
| 4116 | Cracking the Code | implementation math | Statement | L | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1700 | |
| 5804 | Benches | combinatorics math | Statement | H | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | 24160 | 1700 | |
| 3380 | Challenge Pennants | combinatorics math | Statement | G | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1800 | |
| 8589 | Parking Lot | combinatorics math | Statement | I | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 1900 | |
| 1423 | Turn | geometry math | Statement | M | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | 24160 | 2000 | |
| 1515 | Pyramids | geometry math | Statement | Q | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 2100 | |
| 2661 | A rectangle | math | Statement | E | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | 24160 | 2100 | |
| 935 | Arrow | geometry | Statement | O | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | 24160 | 2300 | |
| 1416 | Area of a Star | geometry | Statement | P | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 2400 | |
| 97730 | Again Twenty Five! | number theory | Statement | A | Experimental Educational Round: VolBIT Formulas Blitz {630} | PROGRAMMING | Разбор задач Experimental Educational Round: VolBIT Formulas Blitz | 800 | |
| 9808 | Interview | brute force implementation | Statement | A | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 1000 | |
| 7933 | Print Check | constructive algorithms implementation | Statement | B | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 1300 | |
| 4484 | Report | data structures sortings | Statement | C | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 1700 | |
| 2502 | 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 | |
| 3397 | Product Sum | data structures dp geometry | Statement | E | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 2500 | |
| 4999 | Grandma Laura and Apples | Statement | A | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 1200 | ||
| 4452 | Alice, Bob, Two Teams | brute force constructive algorithms | Statement | B | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 1400 | |
| 11018 | The Smallest String Concatenation | sortings strings | Statement | C | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 1800 | |
| 4752 | Longest Subsequence | brute force math number theory | Statement | D | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 2200 | |
| 1349 | Magic Matrix | brute force divide and conquer graphs matrices trees | Statement | F | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 2400 | |
| 3751 | Thief in a Shop | divide and conquer dp fft math | Statement | E | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 2500 | |
| 15052 | Ebony and Ivory | brute force math number theory | Statement | A | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 1200 | |
| 7334 | A Trivial Problem | brute force constructive algorithms math number theory | Statement | B | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 1300 | |
| 3480 | 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 | |
| 3093 | Fibonacci-ish | brute force dp hashing implementation math | Statement | D | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2000 | |
| 660 | Startup Funding | binary search constructive algorithms data structures probabilities two pointers | Statement | E | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2400 | |
| 1459 | The Chocolate Spree | dfs and similar dp graphs trees | Statement | F | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2500 | |
| 982 | Yash And Trees | bitmasks data structures dfs and similar math number theory | Statement | G | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2700 | |
| 829 | Fibonacci-ish II | data structures implementation | Statement | H | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2800 | |
| 3471 | 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 | |
| 3283 | 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 | |
| 5903 | Voting for Photos | *special constructive algorithms implementation | Statement | A | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 1500 | ||
| 24694 | Chat Order | *special binary search constructive algorithms data structures sortings | Statement | B | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 1500 | ||
| 2541 | Promocodes with Mistakes | *special brute force constructive algorithms implementation | Statement | C | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 1800 | ||
| 2138 | Running with Obstacles | *special data structures dp greedy | Statement | D | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 2000 | ||
| 4413 | Home Numbers | *special constructive algorithms math | Statement | A | VK Cup 2016 - Qualification Round 2 {638} | PROGRAMMING | 1500 | ||
| 2136 | Making Genome in Berland | *special dfs and similar strings | Statement | B | VK Cup 2016 - Qualification Round 2 {638} | PROGRAMMING | 1800 | ||
| 2469 | Road Improvement | *special dfs and similar graphs greedy trees | Statement | C | VK Cup 2016 - Qualification Round 2 {638} | PROGRAMMING | 2100 | ||
| 815 | Three-dimensional Turtle Super Computer | brute force dfs and similar graphs | Statement | D | VK Cup 2016 - Qualification Round 2 {638} | PROGRAMMING | 2200 | ||
| 6549 | Bear and Displayed Friends | implementation | Statement | A | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 1200 | |
| 7038 | Bear and Forgotten Tree 3 | constructive algorithms graphs trees | Statement | B | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 1600 | |
| 1270 | Bear and Polynomials | hashing implementation math | Statement | C | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 2200 | |
| 1104 | Bear and Contribution | data structures greedy sortings | Statement | D | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 2500 | |
| 662 | Bear and Paradox | greedy math sortings | Statement | E | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 2800 | |
| 632 | Bear and Chemistry | data structures dfs and similar graphs trees | Statement | F | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 3300 | |
| 6379 | Little Artem and Grasshopper | implementation | Statement | A | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 1100 | |
| 4404 | Little Artem and Matrix | implementation | Statement | B | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 1400 | |
| 3207 | 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 | |
| 3991 | Little Artem and Time Machine | data structures | Statement | E | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 2000 | |
| 1606 | 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 | |
| 406 | Little Artem and 2-SAT | Statement | F | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 2900 | ||
| 136 | 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 | ||
| 4848 | Bear and Colors | implementation | Statement | A | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 1500 | |
| 3432 | Bear and Two Paths | constructive algorithms graphs | Statement | B | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 1600 | |
| 1852 | Levels and Regions | dp | Statement | C | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 2500 | |
| 756 | Bear and Destroying Subtrees | dp math probabilities trees | Statement | E | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 2600 | |
| 911 | 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 | |
| 418 | Bearish Fanpages | Statement | D | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 2900 | ||
| 1319 | Choosing Ads | data structures | Statement | G | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 3100 | |
| 4701 | Parliament of Berland | *special constructive algorithms | Statement | A | CROC 2016 - Qualification {644} | PROGRAMMING | 1700 | ||
| 2869 | Processing Queries | *special constructive algorithms data structures two pointers | Statement | B | CROC 2016 - Qualification {644} | PROGRAMMING | 2200 |