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1 2 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 2163 | Bindian Signalizing | data structures | Statement | E | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 2400 | |
| 2458 | Points | data structures | Statement | D | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 2800 | |
| 709 | Queue | data structures | Statement | G | School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} | PROGRAMMING | 2300 | ||
| 916 | Dancing Lessons | data structures | Statement | C | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 2000 | ||
| 9043 | Circular RMQ | data structures | Statement | C | Codeforces Testing Round 1 {52} | PROGRAMMING | 2200 | ||
| 370 | Hanger | data structures | Statement | D | Codeforces Beta Round 68 {74} | PROGRAMMING | 2300 | ||
| 1731 | Lucky Array | data structures | Statement | E | Codeforces Beta Round 91 (Div. 1 Only) {121} | PROGRAMMING | Разбор задач | 2300 | |
| 3192 | Lucky Queries | data structures | Statement | E | Codeforces Round 104 (Div. 1) {145} | PROGRAMMING | Codeforces Round #104 - Editorial | 2400 | |
| 2002 | Encrypting Messages | data structures | Statement | D2 | ABBYY Cup 2.0 - Easy {177} | PROGRAMMING | 1500 | ||
| 537 | BRT Contract | data structures | Statement | D | Codeforces Round 119 (Div. 1) {187} | PROGRAMMING | 2700 | ||
| 524 | Two Segments | data structures | Statement | D | Codeforces Round 122 (Div. 1) {193} | PROGRAMMING | 2800 | ||
| 132 | Game with Two Trees | data structures | Statement | C3 | Abbyy Cup 2.0 - Final (unofficial) {207} | PROGRAMMING | 2700 | ||
| 620 | Parking Lot | data structures | Statement | E | Codeforces Round 135 (Div. 2) {219} | PROGRAMMING | 2500 | ||
| 945 | Little Elephant and Shifts | data structures | Statement | C | Codeforces Round 136 (Div. 1) {220} | PROGRAMMING | Codeforces Round #136 — Editorial | 2300 | |
| 386 | Zigzag | data structures | Statement | D | Codeforces Round 141 (Div. 2) {228} | PROGRAMMING | 2300 | ||
| 1963 | TorCoder | data structures | Statement | F | Codeforces Round 145 (Div. 1, ACM-ICPC Rules) {240} | PROGRAMMING | 2600 | ||
| 191 | Matrix | data structures | Statement | E | Codeforces Round 150 (Div. 1) {243} | PROGRAMMING | Editorial for Codeforces Round #150 | 2900 | |
| 668 | Lucky Arrays | data structures | Statement | E | Codeforces Round 156 (Div. 1) {256} | PROGRAMMING | 2400 | ||
| 4173 | Copying Data | data structures | Statement | E | Croc Champ 2013 - Round 1 {292} | PROGRAMMING | 1900 | ||
| 686 | Yaroslav and Points | data structures | Statement | E | Codeforces Round 179 (Div. 1) {295} | PROGRAMMING | Codeforces Round #179 tutorial | 2500 | |
| 376 | Mystic Carvings | data structures | Statement | E | Codeforces Round 180 (Div. 1) {297} | PROGRAMMING | 3000 | ||
| 2409 | Yaroslav and Divisors | data structures | Statement | D | Codeforces Round 182 (Div. 1) {301} | PROGRAMMING | Codeforces Round #182 tutorial | 2200 | |
| 661 | Ping-Pong | data structures | Statement | E | Codeforces Round 189 (Div. 1) {319} | PROGRAMMING | Codeforces Round #189 — Editorial | 3000 | |
| 599 | Two permutations | data structures | Statement | C | Testing Round 7 {323} | PROGRAMMING | 2200 | ||
| 726 | Shave Beaver! | data structures | Statement | B2 | ABBYY Cup 3.0 - Finals (online version) {331} | PROGRAMMING | 1900 | ||
| 1000 | Optimize! | data structures | Statement | E | Codeforces Round 196 (Div. 1) {338} | PROGRAMMING | Codeforces Round #196 — Problems Analysis | 2600 | |
| 1235 | Iahub and Xors | data structures | Statement | D | Codeforces Round 198 (Div. 1) {341} | PROGRAMMING | 2500 | ||
| 1090 | Jeff and Removing Periods | data structures | Statement | D | Codeforces Round 204 (Div. 1) {351} | PROGRAMMING | Codeforces Round #204 — tutorial | 2700 | |
| 1165 | Developing Game | data structures | Statement | D | Codeforces Round 222 (Div. 1) {377} | PROGRAMMING | Codeforces Round #222 — Problem Analysis | 2400 | |
| 306 | Sereja and Dividing | data structures | Statement | E | Codeforces Round 223 (Div. 1) {380} | PROGRAMMING | Codeforces Round #223 — Tutorial | 2600 | |
| 628 | Inna and Candy Boxes | data structures | Statement | C | Codeforces Round 229 (Div. 2) {390} | PROGRAMMING | 1500.0 | ||
| 198 | Supercollider | data structures | Statement | D2 | Rockethon 2014 {391} | PROGRAMMING | 16.0 | ||
| 217 | Three Arrays | data structures | Statement | D | Codeforces Round 230 (Div. 1) {392} | PROGRAMMING | 2000.0 | 83942 | |
| 939 | Instant Messanger | data structures | Statement | D | Codeforces Round 233 (Div. 1) {398} | PROGRAMMING | 2000.0 | Codeforces Round #233 Editorial | |
| 789 | k-d-sequence | data structures | Statement | E | Codeforces Round 239 (Div. 1) {407} | PROGRAMMING | Codeforces Round #239 Editorial | 3100 | |
| 200 | Mashmokh's Designed Problem | data structures | Statement | E | Codeforces Round 240 (Div. 1) {414} | PROGRAMMING | Codeforces Round #240 Editorial | 3100 | |
| 316 | Tricky Password | data structures | Statement | E | RCC 2014 Warmup (Div. 1) {418} | PROGRAMMING | RCC 2014 WarmUp Analysis | 3100 | |
| 843 | Cup Trick | data structures | Statement | D | Coder-Strike 2014 - Finals (online edition, Div. 1) {420} | PROGRAMMING | Editorial Coder-Strike 2014 Finals | 2500 | |
| 2942 | DZY Loves Colors | data structures | Statement | C | Codeforces Round 254 (Div. 1) {444} | PROGRAMMING | 2300 | ||
| 736 | Little Pony and Lord Tirek | data structures | Statement | E | Codeforces Round 259 (Div. 1) {453} | PROGRAMMING | 3000 | ||
| 3029 | Serega and Fun | data structures | Statement | D | Codeforces Round 260 (Div. 1) {455} | PROGRAMMING | Codeforces Round #260 — Editorial | 2600 | |
| 682 | Function | data structures | Statement | E | Codeforces Round 260 (Div. 1) {455} | PROGRAMMING | Codeforces Round #260 — Editorial | 2800 | |
| 230 | Meta-universe | data structures | Statement | F | Bayan 2015 Contest Warm Up {475} | PROGRAMMING | Bayan 2015 Contest Warm Up Editorial | 2800 | |
| 135 | Dreamoon and Notepad | data structures | Statement | E | Codeforces Round 272 (Div. 1) {477} | PROGRAMMING | 3100 | ||
| 901 | Conveyor Belts | data structures | Statement | D | Codeforces Round 278 (Div. 1) {487} | PROGRAMMING | 2700 | ||
| 2423 | Misha and Permutations Summation | data structures | Statement | D | Codeforces Round 285 (Div. 2) {501} | PROGRAMMING | 2300 | ||
| 2144 | Drazil and Park | data structures | Statement | E | Codeforces Round 292 (Div. 2) {515} | PROGRAMMING | 2600 | ||
| 205 | Duck Hunt | data structures | Statement | B | VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only) {542} | PROGRAMMING | 3200 | ||
| 1969 | Case of Chocolate | data structures | Statement | C | Codeforces Round 310 (Div. 1) {555} | PROGRAMMING | 2500 | ||
| 466 | Robots protection | data structures | Statement | I | Bubble Cup 8 - Finals [Online Mirror] {575} | PROGRAMMING | Bubble Cup finals 2015 Results and Editorial | 3000 | |
| 721 | Duff as a Queen | data structures | Statement | E | Codeforces Round 326 (Div. 1) {587} | PROGRAMMING | 2800 | ||
| 8535 | XOR and Favorite Number | data structures | Statement | E | Codeforces Round 340 (Div. 2) {617} | PROGRAMMING | Tutorial | 2300 | |
| 743 | Xors on Segments | data structures | Statement | F | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 2700 | |
| 2935 | Factory Repairs | data structures | Statement | B | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 1700 | ||
| 3312 | Little Artem and Time Machine | data structures | Statement | E | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 2000 | |
| 1014 | Choosing Ads | data structures | Statement | G | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 3100 | |
| 1402 | Forensic Examination | data structures string suffix structures | Statement | E | Codeforces Round 349 (Div. 1) {666} | PROGRAMMING | 3100 | ||
| 692 | Bear and Bad Powers of 42 | data structures | Statement | E | Codeforces Round 356 (Div. 1) {679} | PROGRAMMING | 3100 | ||
| 1422 | T-Shirts | data structures | Statement | F | Educational Codeforces Round 15 {702} | PROGRAMMING | 2800 | ||
| 3631 | Mishka and Interesting sum | data structures | Statement | D | Codeforces Round 365 (Div. 2) {703} | PROGRAMMING | 2100 | ||
| 1227 | Garlands | data structures | Statement | E | Codeforces Round 368 (Div. 2) {707} | PROGRAMMING | 2500 | ||
| 330 | Heroes of Making Magic III | data structures | Statement | F | Bubble Cup 9 - Finals [Online Mirror] {717} | PROGRAMMING | 2700 | ||
| 147 | Array Covering | data structures | Statement | F | Russian Code Cup 2016 - Finals [Unofficial Mirror, Div. 1 Only Recommended] {720} | PROGRAMMING | Russian Code Cup 2016 — Results and Tutorial | 3100 | |
| 1524 | Alyona and towers | data structures | Statement | C | Codeforces Round 381 (Div. 1) {739} | PROGRAMMING | 2500 | ||
| 180 | Arpa’s abnormal DNA and Mehrdad’s deep interest | data structures string suffix structures | Statement | E | Codeforces Round 383 (Div. 1) {741} | PROGRAMMING | 3300 | ||
| 2515 | PolandBall and Polygon | data structures | Statement | D | 8VC Venture Cup 2017 - Elimination Round {755} | PROGRAMMING | 8VC Venture Cup 2017 — Elimination Round [Editorial] | 2000 | |
| 1352 | Nikita and stack | data structures | Statement | C | 8VC Venture Cup 2017 - Final Round {756} | PROGRAMMING | 2300 | ||
| 2084 | Souvenirs | data structures | Statement | F | Codeforces Round 397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined) {765} | PROGRAMMING | Codeforces Round #397 Editorial | 2500 | |
| 340 | New task | data structures | Statement | E | Codeforces Round 407 (Div. 1) {788} | PROGRAMMING | 2900 | ||
| 832 | Leha and security system | data structures | Statement | F | Tinkoff Challenge - Final Round (Codeforces Round 414, rated, Div. 1 + Div. 2) {794} | PROGRAMMING | 2800 | ||
| 447 | Beautiful fountains rows | data structures | Statement | F | Playrix Codescapes Cup (Codeforces Round 413, rated, Div. 1 + Div. 2) {799} | PROGRAMMING | 3300 | ||
| 1603 | Periodic RMQ Problem | data structures | Statement | G | Educational Codeforces Round 20 {803} | PROGRAMMING | 51768 | 2500 | |
| 696 | Functions On The Segments | data structures | Statement | G | Educational Codeforces Round 26 {837} | PROGRAMMING | 53662 | 2600 | |
| 1509 | Boredom | data structures | Statement | C | Codeforces Round 433 (Div. 1, based on Olympiad of Metropolises) {853} | PROGRAMMING | 2200 | ||
| 233 | Berland.Taxi | data structures | Statement | L | 2017-2018 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {883} | PROGRAMMING | 2800 | ||
| 2925 | Mass Change Queries | data structures | Statement | G | Educational Codeforces Round 35 (Rated for Div. 2) {911} | PROGRAMMING | T | 2600 | |
| 392 | Segments | data structures | Statement | J | VK Cup 2018 - Wild-card Round 1 {926} | PROGRAMMING | Разбор VK Cup 2018 — Уайлд-кард Раунд 1 | 2500 | |
| 3660 | Tufurama | data structures | Statement | E | Educational Codeforces Round 41 (Rated for Div. 2) {961} | PROGRAMMING | Educational Codeforces Round 41 Editorial | 1900 | |
| 692 | Magic multisets | data structures | Statement | G | Avito Code Challenge 2018 {981} | PROGRAMMING | Avito Code Challenge 2018 — разбор | 2400 | |
| 394 | Arkady and Rectangles | data structures | Statement | D | Codeforces Round 483 (Div. 1) [Thanks, Botan Investments and Victor Shaburov!] {983} | PROGRAMMING | Codeforces Round #483 [Thanks, Botan Investments and Victor Shaburov!] Editoral | 3300 | |
| 1279 | Good Subsegments | data structures | Statement | E | Codeforces Round 493 (Div. 1) {997} | PROGRAMMING | 60357 | 3000 | |
| 336 | Store | data structures | Statement | E | Codeforces Round 499 (Div. 1) {1010} | PROGRAMMING | 60851 | 2700 | |
| 910 | The Tree | data structures | Statement | G | Codeforces Round 502 (in memory of Leopoldo Taravilse, Div. 1 + Div. 2) {1017} | PROGRAMMING | Разбор (англ.) | 3200 | |
| 813 | Putting Boxes Together | data structures | Statement | F | Technocup 2019 - Elimination Round 1 {1030} | PROGRAMMING | Сodeforces Round 512 (and Technocup — Elimination Round 1) Editorial | 2600 | |
| 1040 | Security | data structures string suffix structures | Statement | H | Manthan, Codefest 18 (rated, Div. 1 + Div. 2) {1037} | PROGRAMMING | Tutorial | 2900 | |
| 272 | Summer Oenothera Exhibition | data structures | Statement | E | Codeforces Round 507 (Div. 1, based on Olympiad of Metropolises) {1039} | PROGRAMMING | 61668 | 3400 | |
| 579 | DFS | data structures | Statement | F | Lyft Level 5 Challenge 2018 - Final Round {1044} | PROGRAMMING | Lyft Level 5 Challenge 2018 — Final Round — Editorial | 2600 | |
| 1687 | AI robots | data structures | Statement | G | Bubble Cup 11 - Finals [Online Mirror, Div. 1] {1045} | PROGRAMMING | E | 2200 | |
| 159 | Balls and Pockets | data structures | Statement | G | Codeforces Round 513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2) {1060} | PROGRAMMING | User editorial for Codeforces Round 513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2) | 3300 | |
| 888 | String Journey | data structures dp string suffix structures | Statement | F | Codeforces Round 516 (Div. 1, by Moscow Team Olympiad) {1063} | PROGRAMMING | Editorial | 3000 | |
| 925 | Yet Another LCP Problem | data structures string suffix structures | Statement | G | Educational Codeforces Round 53 (Rated for Div. 2) {1073} | PROGRAMMING | 62742 | 2700 | |
| 277 | The Fair Nut and Amusing Xor | data structures | Statement | F | Codeforces Round 526 (Div. 1) {1083} | PROGRAMMING | 63753 | 3100 | |
| 1117 | King Kog's Reception | data structures | Statement | K | 2018-2019 ICPC, NEERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1089} | PROGRAMMING | T | 2400 | |
| 1645 | Intersection of Permutations | data structures | Statement | E | Educational Codeforces Round 56 (Rated for Div. 2) {1093} | PROGRAMMING | 63877 | 2300 | |
| 775 | Eels | data structures | Statement | D | Codeforces Round 530 (Div. 1) {1098} | PROGRAMMING | 64331 | 2700 | |
| 701 | Recursive Queries | data structures | Statement | G | Educational Codeforces Round 60 (Rated for Div. 2) {1117} | PROGRAMMING | 65365 | 2500 | |
| 267 | Holy Diver | data structures | Statement | H | Codeforces Global Round 3 {1148} | PROGRAMMING | Codeforces Global Round 3 Editorial | 3600 | |
| 315 | Nauuo and ODT | data structures | Statement | E | Codeforces Round 564 (Div. 1) {1172} | PROGRAMMING | Codeforces Round #564 Editorial | 3300 | |
| 432 | Nauuo and Bug | data structures | Statement | F | Codeforces Round 564 (Div. 1) {1172} | PROGRAMMING | Codeforces Round #564 Editorial | 3300 | |
| 633 | Heidi and the Turing Test (Medium) | data structures | Statement | C2 | Helvetic Coding Contest 2019 online mirror (teams allowed, unrated) {1184} | PROGRAMMING | helvetic-coding-contest-2019-editorial.pdf | 2300 |