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1599 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
635 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
6662 Imbalanced Array data structures divide and conquer dsu sortings Statement D Educational Codeforces Round 23 {817} PROGRAMMING 52638 2000
261 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
1654 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
4219 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
748 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
708 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
972 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
622 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
982 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
2458 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
1470 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
707 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
778 Gasoline prices data structures divide and conquer dsu trees Statement E Codeforces Round 857 (Div. 1) {1801} PROGRAMMING 2500.0 Codeforces Round #857 Editorial
2307 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
5369 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
44 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
247 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)
211 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)
827 Graph Inclusion data structures divide and conquer dsu Statement F Educational Codeforces Round 174 (Rated for Div. 2) {2069} PROGRAMMING 139774
558 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