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Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 9494 | Ciel the Commander | constructive algorithms dfs and similar divide and conquer greedy trees | Statement | C | Codeforces Round 190 (Div. 1) {321} | PROGRAMMING | Codeforces Round #190 — Editorial | 2500 | |
| 6957 | Book of Evil | dfs and similar divide and conquer dp trees | Statement | D | Codeforces Round 196 (Div. 2) {337} | PROGRAMMING | Codeforces Round #196 — Problems Analysis | 2100 | |
| 916 | Pumping Stations | brute force dfs and similar divide and conquer flows graphs greedy trees | Statement | E | Codeforces Round 200 (Div. 1) {343} | PROGRAMMING | Codeforces Round #200 Tutorial | 2800 | |
| 885 | Logistical Questions | dfs and similar divide and conquer trees | Statement | C | VK Cup 2015 - Finals, online mirror {566} | PROGRAMMING | Editorial for VK Cup 2015 — Finals | 3000 | |
| 4095 | 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 | |
| 2626 | Digit Tree | dfs and similar divide and conquer dsu trees | Statement | C | Codeforces Round 372 (Div. 1) {715} | PROGRAMMING | Codeforces Round #372 Editorial | 2800 | |
| 502 | Nikita and game | binary search dfs and similar divide and conquer graphs trees | Statement | E | Codeforces Round 430 (Div. 2) {842} | PROGRAMMING | Tutorial Codeforces Round #430 (Div. 2) | 3000 | |
| 254 | Iqea | data structures dfs and similar divide and conquer dsu shortest paths trees | Statement | E | Codeforces Round 467 (Div. 1) {936} | PROGRAMMING | Codeforces Round #467, Editorial | 3300 | |
| 2290 | Alternating Tree | combinatorics dfs and similar divide and conquer dp probabilities trees | Statement | E | Divide by Zero 2018 and Codeforces Round 474 (Div. 1 + Div. 2, combined) {960} | PROGRAMMING | Divide by Zero 2018 and Codeforces Round #474 (Div. 1 + Div. 2, combined) Editorial | 2200 | |
| 4689 | 0-1-Tree | dfs and similar divide and conquer dp dsu trees | Statement | D | Educational Codeforces Round 64 (Rated for Div. 2) {1156} | PROGRAMMING | 66827 | 2300 | |
| 4576 | Minimal Segment Cover | data structures dfs and similar divide and conquer dp greedy implementation trees | Statement | E | Educational Codeforces Round 66 (Rated for Div. 2) {1175} | PROGRAMMING | Editorial | 2200 | |
| 1583 | Dynamic Diameter | *special data structures dfs and similar divide and conquer trees | Statement | B | CEOI 2019 day 1 online mirror (unrated, IOI format) {1192} | PROGRAMMING | E | ||
| 2049 | Tests for problem D | constructive algorithms dfs and similar divide and conquer trees | Statement | E | Educational Codeforces Round 78 (Rated for Div. 2) {1278} | PROGRAMMING | Educational Codeforces Round 78 Editorial | 2200 | |
| 8643 | Dr. Evil Underscores | bitmasks brute force dfs and similar divide and conquer dp greedy strings trees | Statement | D | Codeforces Round 613 (Div. 2) {1285} | PROGRAMMING | Codeforces Round #613 (Div. 2) Editorial | 1800 | |
| 2831 | Removing Leaves | data structures dfs and similar divide and conquer greedy implementation trees | Statement | F | Codeforces Round 656 (Div. 3) {1385} | PROGRAMMING | Codeforces Round #656 (Div. 3) Editorial | 2300 | |
| 21819 | Permutation Transformation | dfs and similar divide and conquer implementation | Statement | D | Codeforces Round 702 (Div. 3) {1490} | PROGRAMMING | Codeforces Round #702 (Div. 3) Editorial | ||
| 2636 | Hemose in ICPC ? | binary search dfs and similar divide and conquer interactive math number theory trees | Statement | D | Codeforces Round 746 (Div. 2) {1592} | PROGRAMMING | 2000.0 | 95583 | |
| 629 | Squid Game | data structures dfs and similar divide and conquer greedy trees | Statement | H | Codeforces Global Round 17 {1610} | PROGRAMMING | 3500.0 | Codeforces Global Round 17 Editorial | |
| 1155 | Cats on the Upgrade (easy version) | data structures dfs and similar divide and conquer dp graphs trees | Statement | E1 | Codeforces Round 765 (Div. 2) {1625} | PROGRAMMING | 2000.0 | Editorial of Codeforces Round #765 (Div. 2) | |
| 516 | Air Reform | data structures dfs and similar divide and conquer dsu graphs implementation trees | Statement | E | Codeforces Round 775 (Div. 1, based on Moscow Open Olympiad in Informatics) {1648} | PROGRAMMING | 2500.0 | Codeforces Round #775 Editorial | |
| 2339 | Unique Occurrences | data structures dfs and similar divide and conquer dp dsu trees | Statement | F | Educational Codeforces Round 129 (Rated for Div. 2) {1681} | PROGRAMMING | 103163 | 2300 | |
| 18426 | Masha and a Beautiful Tree | dfs and similar divide and conquer graphs sortings trees | Statement | D | Codeforces Round 826 (Div. 3) {1741} | PROGRAMMING | 107908 | ||
| 4025 | Timofey and Black-White Tree | brute force dfs and similar divide and conquer graphs greedy math shortest paths trees | Statement | F | Codeforces Round 847 (Div. 3) {1790} | PROGRAMMING | 111948 | ||
| 567 | Li Hua and Path | data structures dfs and similar divide and conquer dsu trees | Statement | F | Codeforces Round 864 (Div. 2) {1797} | PROGRAMMING | 3000.0 | Codeforces Round 864 (Div. 2) Editorial | |
| 2143 | Omsk Metro (hard version) | data structures dfs and similar divide and conquer dp implementation math trees | Statement | F2 | Codeforces Round 881 (Div. 3) {1843} | PROGRAMMING | Codeforces Round #881 (Div. 3) Editorial | ||
| 5189 | Count Paths | data structures dfs and similar divide and conquer dp dsu trees | Statement | E | Educational Codeforces Round 162 (Rated for Div. 2) {1923} | PROGRAMMING | Educational Codeforces Round 162 Editorial | ||
| 43 | Burenka and Pether | *special data structures dfs and similar divide and conquer dsu graphs sortings trees | Statement | C | XVIII Open Olympiad in Informatics - Final Stage, Day 2 (Unrated, Online Mirror, IOI rules) {1940} | PROGRAMMING | |||
| 402 | Bermart Ice Cream | data structures dfs and similar divide and conquer dp implementation trees | Statement | F | Educational Codeforces Round 171 (Rated for Div. 2) {2026} | PROGRAMMING | Educational Codeforces Round 171 Editorial | ||
| 623 | Baudelaire (hard version) | binary search dfs and similar divide and conquer implementation interactive trees | Statement | G2 | Codeforces Round 1020 (Div. 3) {2106} | PROGRAMMING | Codeforces Round 1020 (Div. 3) Editorial | ||
| 3425 | Maple and Tree Beauty (Hard Version) | bitmasks brute force dfs and similar divide and conquer dp fft trees | Statement | C2 | Codeforces Round 1048 (Div. 1) {2138} | PROGRAMMING | 750.0 | Codeforces Round 1048 (Div. 1, Div. 2) Editorial | |
| 190 | Statistics on Tree | binary search brute force dfs and similar divide and conquer graphs trees | Statement | G | Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2) {2222} | PROGRAMMING | 3500.0 | Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2) Editorial | |
| 274 | Momoyo and the Network | binary search dfs and similar divide and conquer dp trees | Statement | F | Codeforces Round 1098 (Div. 2) {2228} | PROGRAMMING | 3500.0 | Codeforces Round 1098 (Div. 2) Editorial |