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Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 1671 | Scheme | dfs and similar graphs trees | Statement | E | Codeforces Beta Round 22 (Div. 2 Only) {22} | PROGRAMMING | Codeforces Beta Round #22 Tutorial | 2400 | |
| 206 | Baldman and the military | dfs and similar graphs trees | Statement | E | Codeforces Beta Round 41 {42} | PROGRAMMING | Solution of task е, Codeforces beta round #41 | 2700 | |
| 628 | Caterpillar | dfs and similar dp graphs trees | Statement | F | Codeforces Beta Round 48 {51} | PROGRAMMING | 2600 | ||
| 6615 | Eternal Victory | dfs and similar graphs greedy shortest paths trees | Statement | D | Codeforces Beta Round 57 (Div. 2) {61} | PROGRAMMING | Round 57-A | 1900 | |
| 345 | Pairs | dfs and similar dp ds graphs implementation trees | Statement | E | Yandex.Algorithm Open 2011: Qualification 1 {81} | PROGRAMMING | 2600 | ||
| 905 | Beautiful Road | dfs and similar dp ds graphs implementation sortings trees | Statement | D | Codeforces Beta Round 73 (Div. 1 Only) {87} | PROGRAMMING | 2300 | ||
| 383 | Leaders | dfs and similar ds graphs trees | Statement | E | Yandex.Algorithm 2011: Finals {97} | PROGRAMMING | 2800 | ||
| 34936 | Party | dfs and similar graphs trees | Statement | A | Codeforces Beta Round 87 (Div. 1 Only) {115} | PROGRAMMING | Tutorial | 1300 | |
| 9620 | Choosing Capital for Treeland | dfs and similar dp graphs trees | Statement | D | Codeforces Round 135 (Div. 2) {219} | PROGRAMMING | User editorial for Codeforces Round #135 (Div. 2) | 1900 | |
| 567 | T-decomposition | dfs and similar graphs greedy trees | Statement | D | Codeforces Round 147 (Div. 2) {237} | PROGRAMMING | 2200 | ||
| 10155 | Valera and Elections | dfs and similar graphs trees | Statement | C | Codeforces Round 216 (Div. 2) {369} | PROGRAMMING | 1700 | ||
| 678 | Ksenia and Pawns | dfs and similar graphs implementation trees | Statement | D | Codeforces Round 224 (Div. 2) {382} | PROGRAMMING | Codeforces Round #224 (Div. 2) Editorial | 2300 | |
| 2239 | Information Graph | dfs and similar ds graphs trees | Statement | E | Codeforces Round 266 (Div. 2) {466} | PROGRAMMING | Editorial Codeforces Round #266 (Div. 2) | 2400 | |
| 2407 | Work Group | dfs and similar dp graphs strings trees | Statement | B | VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) {533} | PROGRAMMING | 2000 | ||
| 2402 | Case of Computer Network | dfs and similar graphs trees | Statement | E | Codeforces Round 310 (Div. 1) {555} | PROGRAMMING | 2800 | ||
| 1078 | Bribes | dfs and similar graphs trees | Statement | B | Bubble Cup 8 - Finals [Online Mirror] {575} | PROGRAMMING | 2300 | ||
| 43681 | Kefa and Park | dfs and similar graphs trees | Statement | C | Codeforces Round 321 (Div. 2) {580} | PROGRAMMING | 1500 | ||
| 2641 | Super M | dfs and similar dp graphs trees | Statement | D | Codeforces Round 328 (Div. 2) {592} | PROGRAMMING | 2200 | ||
| 3047 | Kingdom and its Cities | dfs and similar divide and conquer dp graphs sortings trees | Statement | D | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | 2800 | ||
| 239 | Island Puzzle | dfs and similar ds graphs trees | Statement | F | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 3400 | ||
| 1000 | The Chocolate Spree | dfs and similar dp graphs trees | Statement | F | Manthan, Codefest 16 {633} | PROGRAMMING | 2500 | ||
| 2216 | Pursuit For Artifacts | dfs and similar ds graphs trees | Statement | E | Educational Codeforces Round 10 {652} | PROGRAMMING | 2300 | ||
| 1537 | Bear and Forgotten Tree 2 | dfs and similar ds graphs trees | Statement | E | IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) {653} | PROGRAMMING | 2400 | ||
| 7284 | Alyona and the Tree | dfs and similar dp graphs trees | Statement | C | Codeforces Round 358 (Div. 2) {682} | PROGRAMMING | 45491 | 1700 | |
| 3817 | Brain Network (medium) | dfs and similar graphs trees | Statement | C2 | Helvetic Coding Contest 2016 online mirror (teams, unrated) {690} | PROGRAMMING | Tutotial | 1600 | |
| 4012 | Connecting Universities | dfs and similar dp graphs trees | Statement | B | Codeforces Round 364 (Div. 1) {700} | PROGRAMMING | 2100 | ||
| 4373 | Chloe and pleasant prizes | dfs and similar dp graphs trees | Statement | D | Codeforces Round 384 (Div. 2) {743} | PROGRAMMING | 1800 | ||
| 12553 | PolandBall and Forest | dfs and similar ds graphs interactive trees | Statement | C | 8VC Venture Cup 2017 - Elimination Round {755} | PROGRAMMING | 1300 | ||
| 497 | Broken Tree | dfs and similar dp graphs greedy trees | Statement | E | Codeforces Round 392 (Div. 2) {758} | PROGRAMMING | 2900 | ||
| 10621 | Timofey and a tree | dfs and similar dp ds graphs implementation trees | Statement | A | Codeforces Round 395 (Div. 1) {763} | PROGRAMMING | Codeforces Round #395 [Editorial] | 1600 | |
| 4193 | Garland | dfs and similar graphs greedy trees | Statement | C | Codeforces Round 398 (Div. 2) {767} | PROGRAMMING | 2000 | ||
| 9150 | Andryusha and Colored Balloons | dfs and similar graphs greedy trees | Statement | C | Технокубок 2017 - Финал (только для онсайт-финалистов) {780} | PROGRAMMING | Technocup 2017 Finals and Codeforces Round #403 Editorial | 1500 | |
| 4751 | Send the Fool Further! (easy) | dfs and similar graphs trees | Statement | J | Helvetic Coding Contest 2017 online mirror (teams allowed, unrated) {802} | PROGRAMMING | 1500 | ||
| 330 | Sagheer and Kindergarten | dfs and similar graphs implementation trees | Statement | D | Codeforces Round 417 (Div. 2) {812} | PROGRAMMING | 2700 | ||
| 1238 | Tree Queries | dfs and similar graphs trees | Statement | G | Educational Codeforces Round 25 {825} | PROGRAMMING | Educational Codeforces Round 25 - Editorial | 2600 | |
| 3811 | Misha, Grisha and Underground | dfs and similar graphs trees | Statement | D | Codeforces Round 425 (Div. 2) {832} | PROGRAMMING | 1900 | ||
| 1075 | Roads in the Kingdom | dfs and similar dp graphs trees | Statement | F | Codeforces Round 427 (Div. 2) {835} | PROGRAMMING | Editorial | 2400 | |
| 17014 | Journey | dfs and similar dp graphs probabilities trees | Statement | C | Codeforces Round 428 (Div. 2) {839} | PROGRAMMING | 1500 | ||
| 3499 | Ilya And The Tree | dfs and similar graphs math number theory trees | Statement | C | Codeforces Round 430 (Div. 2) {842} | PROGRAMMING | Tutorial Codeforces Round #430 (Div. 2) | 2000 | |
| 221 | Harry Vs Voldemort | dfs and similar dp graphs trees | Statement | G | Manthan, Codefest 17 {855} | PROGRAMMING | 3000 | ||
| 18282 | Mahmoud and Ehab and the bipartiteness | dfs and similar graphs trees | Statement | B | Codeforces Round 435 (Div. 2) {862} | PROGRAMMING | Codeforces round #435 editorial | 1400 | |
| 621 | Cities Excursions | dfs and similar graphs trees | Statement | F | Codeforces Round 436 (Div. 2) {864} | PROGRAMMING | 2700 | ||
| 1236 | Points, Lines and Ready-made Titles | dfs and similar ds graphs trees | Statement | E | Technocup 2018 - Elimination Round 2 {870} | PROGRAMMING | Editorial Codeforces Round 440 Div.1+Div.2 (and Technocup 2018 — Elimination Round 2) | 2400 | |
| 7216 | Peculiar apple-tree | dfs and similar graphs trees | Statement | A | Codeforces Round 468 (Div. 1, based on Technocup 2018 Final Round) {930} | PROGRAMMING | 1500 | ||
| 1346 | Simple Cycles Edges | dfs and similar graphs trees | Statement | F | Educational Codeforces Round 42 (Rated for Div. 2) {962} | PROGRAMMING | Educational Codeforces Round 42 Editorial | 2400 | |
| 11686 | Cut 'em all! | dfs and similar dp graphs greedy trees | Statement | C | Codeforces Round 484 (Div. 2) {982} | PROGRAMMING | Editorial | 1500 | |
| 4745 | We Need More Bosses | dfs and similar graphs trees | Statement | E | Educational Codeforces Round 46 (Rated for Div. 2) {1000} | PROGRAMMING | 60288 | 2100 | |
| 9970 | Military Problem | dfs and similar graphs trees | Statement | E | Codeforces Round 498 (Div. 3) {1006} | PROGRAMMING | 60672 | 1600 | |
| 2388 | Mars rover | dfs and similar graphs implementation trees | Statement | D | Codeforces Round 499 (Div. 1) {1010} | PROGRAMMING | 60851 | 2100 | |
| 887 | Mobile Phone Network | dfs and similar ds graphs trees | Statement | F | Codeforces Round 504 (rated, Div. 1 + Div. 2, based on VK Cup 2018 Final) {1023} | PROGRAMMING | Codeforces Round 504 Editorial | 2600 | |
| 15005 | Valid BFS? | dfs and similar graphs shortest paths trees | Statement | D | Manthan, Codefest 18 (rated, Div. 1 + Div. 2) {1037} | PROGRAMMING | Tutorial | 1700 | |
| 709 | Hyperspace Highways | dfs and similar graphs trees | Statement | C | Bubble Cup 11 - Finals [Online Mirror, Div. 1] {1045} | PROGRAMMING | 2500 | ||
| 1415 | Power Tree | dfs and similar dp ds graphs greedy trees | Statement | D | Codeforces Round 543 (Div. 1, based on Technocup 2019 Final Round) {1120} | PROGRAMMING | Разбор задач финала Технокубка 2019 и Codeforces Round #543 | 2400 | |
| 12751 | Edgy Trees | dfs and similar ds graphs math trees | Statement | C | Codeforces Round 548 (Div. 2) {1139} | PROGRAMMING | Codeforces Round #548 Editorial | 1500 | |
| 11264 | Cover it! | dfs and similar ds graphs shortest paths trees | Statement | E | Codeforces Round 565 (Div. 3) {1176} | PROGRAMMING | 67598 | 1700 | |
| 950 | Daleks' Invasion (medium) | dfs and similar graphs shortest paths trees | Statement | E2 | Helvetic Coding Contest 2019 online mirror (teams allowed, unrated) {1184} | PROGRAMMING | helvetic-coding-contest-2019-editorial.pdf | 2200 | |
| 2790 | Tourism | dfs and similar dp ds graphs greedy trees | Statement | E | Codeforces Round 586 (Div. 1 + Div. 2) {1220} | PROGRAMMING | Codeforces Round #586 Editorial | 2200 | |
| 1891 | The Maximum Subtree | dfs and similar dp graphs trees | Statement | F | Educational Codeforces Round 74 (Rated for Div. 2) {1238} | PROGRAMMING | Educational Codeforces Round 74 Editorial | 2300 | |
| 2722 | Jeremy Bearimy | dfs and similar graphs greedy trees | Statement | C | Codeforces Round 607 (Div. 1) {1280} | PROGRAMMING | Codeforces Round #607 Editorial | 2000 | |
| 10173 | Maximum White Subtree | dfs and similar dp graphs trees | Statement | F | Codeforces Round 627 (Div. 3) {1324} | PROGRAMMING | Codeforces Round #627 (Div. 3) Editorial | ||
| 9720 | Tree Queries | dfs and similar graphs trees | Statement | E | Codeforces Round 629 (Div. 3) {1328} | PROGRAMMING | 75246 | 2100 | |
| 700 | James and the Chase | dfs and similar graphs probabilities trees | Statement | E | Codeforces Round 647 (Div. 1) - Thanks, Algo Muse! {1361} | PROGRAMMING | 3000.0 | Codeforces Round #647 Editorial | 3000 |