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Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 2556 | Fairy | dfs and similar divide and conquer dsu | Statement | E | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 2800 | |
| 1562 | 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 | |
| 2659 | Digit Tree | dfs and similar divide and conquer dsu trees | Statement | C | Codeforces Round 372 (Div. 1) {715} | PROGRAMMING | Codeforces Round #372 Editorial | 2800 | |
| 556 | Timofey and our friends animals | data structures divide and conquer dsu | Statement | E | Codeforces Round 395 (Div. 1) {763} | PROGRAMMING | Codeforces Round #395 [Editorial] | 2800 | |
| 6505 | Imbalanced Array | data structures divide and conquer dsu sortings | Statement | D | Educational Codeforces Round 23 {817} | PROGRAMMING | 52638 | 2000 | |
| 257 | 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 | |
| 2368 | GCD Counting | divide and conquer dp dsu number theory trees | Statement | G | Educational Codeforces Round 45 (Rated for Div. 2) {990} | PROGRAMMING | Educational Codeforces Round 45 Editorial | 2400 | |
| 1589 | Extending Set of Points | data structures divide and conquer dsu | Statement | F | Educational Codeforces Round 62 (Rated for Div. 2) {1140} | PROGRAMMING | Educational Codeforces Round 62 Editorial | 2700 | |
| 4745 | 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 | |
| 4134 | Special Segments of Permutation | data structures divide and conquer dsu two pointers | Statement | E | Educational Codeforces Round 64 (Rated for Div. 2) {1156} | PROGRAMMING | 66827 | 2400 | |
| 9799 | Path Queries | divide and conquer dsu graphs sortings trees | Statement | G | Codeforces Round 582 (Div. 3) {1213} | PROGRAMMING | Codeforces Round #582 (Div. 3) Editorial | 2000 | |
| 736 | Forced Online Queries Problem | data structures divide and conquer dsu graphs trees | Statement | F | Educational Codeforces Round 72 (Rated for Div. 2) {1217} | PROGRAMMING | Educational Codeforces Round 72 Editorial | 2800 | |
| 678 | Joker | *special bitmasks data structures divide and conquer dsu | Statement | C | Baltic Olympiad in Informatics 2020, Day 1 (IOI, Unofficial Mirror Contest, Unrated) {1386} | PROGRAMMING | T | ||
| 2837 | Dogeforces | brute force constructive algorithms divide and conquer dsu greedy implementation trees | Statement | D | Educational Codeforces Round 105 (Rated for Div. 2) {1494} | PROGRAMMING | Educational Codeforces Round 105 Editorial | ||
| 918 | Jumping Around | data structures divide and conquer dp dsu graphs shortest paths trees | Statement | F | Educational Codeforces Round 111 (Rated for Div. 2) {1550} | PROGRAMMING | Educational Codeforces Round 111 Editorial | ||
| 528 | 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 | |
| 3295 | Preorder | combinatorics divide and conquer dp dsu hashing trees | Statement | E | Educational Codeforces Round 127 (Rated for Div. 2) {1671} | PROGRAMMING | 102181 | ||
| 963 | Lenient Vertex Cover | data structures dfs and similar divide and conquer dsu graphs | Statement | F | Educational Codeforces Round 128 (Rated for Div. 2) {1680} | PROGRAMMING | 102852 | ||
| 2375 | 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 | |
| 1414 | Comfortably Numb | binary search bitmasks data structures divide and conquer dsu strings trees two pointers | Statement | F | Codeforces Round 845 (Div. 2) and ByteRace 2023 {1777} | PROGRAMMING | 2750.0 | Codeforces Round #845 (Div. 2) and ByteRace 2023 Editorial | |
| 574 | 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 | |
| 624 | Gasoline prices | data structures divide and conquer dsu trees | Statement | E | Codeforces Round 857 (Div. 1) {1801} | PROGRAMMING | 2500.0 | Codeforces Round #857 Editorial | |
| 966 | Communication Towers | brute force divide and conquer dsu | Statement | F | Educational Codeforces Round 146 (Rated for Div. 2) {1814} | PROGRAMMING | Educational Codeforces Round 146 Editorial | ||
| 2239 | Max to the Right of Min | binary search data structures divide and conquer dsu two pointers | Statement | E | Educational Codeforces Round 152 (Rated for Div. 2) {1849} | PROGRAMMING | 118752 | ||
| 5566 | Counting Graphs | combinatorics divide and conquer dsu graphs greedy sortings | Statement | G | Codeforces Round 891 (Div. 3) {1857} | PROGRAMMING | 119134 | ||
| 5272 | 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 | |||
| 241 | Complex Segments (Easy Version) | binary search data structures divide and conquer dsu greedy math sortings | Statement | E1 | Codeforces Round 975 (Div. 1) {2018} | PROGRAMMING | 2250.0 | Editorial of Codeforces Round 975 (Div. 1, Div. 2) | |
| 206 | Complex Segments (Hard Version) | binary search data structures divide and conquer dsu greedy math sortings | Statement | E2 | Codeforces Round 975 (Div. 1) {2018} | PROGRAMMING | 750.0 | Editorial of Codeforces Round 975 (Div. 1, Div. 2) | |
| 805 | Graph Inclusion | data structures divide and conquer dsu | Statement | F | Educational Codeforces Round 174 (Rated for Div. 2) {2069} | PROGRAMMING | 139774 | ||
| 550 | Modulo 3 | data structures divide and conquer dsu trees | Statement | G | Educational Codeforces Round 178 (Rated for Div. 2) {2104} | PROGRAMMING | Educational Codeforces Round 178 Editorial | ||
| 723 | Building Tree | divide and conquer dsu graphs implementation | Statement | F | Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2) {2222} | PROGRAMMING | 3000.0 | Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2) Editorial | |
| 108 | The end of this world, | divide and conquer dsu | Statement | E | Codeforces Round 1105 (Div. 1) {2239} | PROGRAMMING | 2750.0 |