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2611 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
6506 Captain Flint and Treasure data structures dfs and similar dp graphs greedy implementation trees Statement D Codeforces Round 660 (Div. 2) {1388} PROGRAMMING 2000.0 Codeforces Round #660 Editorial 2000
5931 Weights Division (easy version) data structures dfs and similar greedy trees Statement E1 Codeforces Round 661 (Div. 3) {1399} PROGRAMMING Codeforces Round #661 (Div. 3) Editorial
2156 Graph and Queries data structures dfs and similar ds graphs trees Statement D Codeforces Round 673 (Div. 1) {1416} PROGRAMMING 2000.0 Codeforces Round #673 Editorial 2600
1463 Distinctive Roots in a Tree data structures dfs and similar trees Statement E Codeforces Round 695 (Div. 2) {1467} PROGRAMMING 2500.0 Codeforces Round #695 (Div. 2) Editorial 2500
941 Christmas Game data structures dfs and similar dp games math trees Statement F CodeCraft-21 and Codeforces Round 711 (Div. 2) {1498} PROGRAMMING 3000.0 CodeCraft-21 and Codeforces Round #711 (Div. 2) Editorial
2686 Trees of Tranquillity data structures dfs and similar greedy trees Statement C Codeforces Round 722 (Div. 1) {1528} PROGRAMMING 1750.0 Codeforces Round #722 Editorial
1084 Frequency Queries data structures dfs and similar trees Statement E Technocup 2022 - Elimination Round 3 {1585} PROGRAMMING 2500.0 Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial
515 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
1138 Middle Duplication data structures dfs and similar greedy strings trees Statement E Codeforces Round 763 (Div. 2) {1623} PROGRAMMING 2750.0 Codeforces Round #763 (Div. 2) Editorial
1061 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)
604 Cats on the Upgrade (hard version) data structures dfs and similar graphs trees Statement E2 Codeforces Round 765 (Div. 2) {1625} PROGRAMMING 1250.0 Editorial of Codeforces Round #765 (Div. 2)
421 Air Reform data structures dfs and similar divide and conquer ds 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
976 Narrow Components data structures dfs and similar ds trees Statement E Educational Codeforces Round 126 (Rated for Div. 2) {1661} PROGRAMMING Educational Codeforces Round 126 Editorial
1835 Unique Occurrences data structures dfs and similar divide and conquer dp ds trees Statement F Educational Codeforces Round 129 (Rated for Div. 2) {1681} PROGRAMMING 103163 2300
5593 Passable Paths (easy version) data structures dfs and similar sortings trees Statement G1 Codeforces Round 805 (Div. 3) {1702} PROGRAMMING 104763
1583 DFS Trees data structures dfs and similar ds graphs greedy trees Statement C Codeforces Round 808 (Div. 1) {1707} PROGRAMMING 1250.0 104930
2861 XOR Tree data structures dfs and similar ds greedy trees Statement E Educational Codeforces Round 132 (Rated for Div. 2) {1709} PROGRAMMING 105164
340 Triameter data structures dfs and similar trees Statement F Codeforces Round 813 (Div. 2) {1712} PROGRAMMING 3500.0 Codeforces Round #813 (Div. 2) Editorial
528 Distance to the Path data structures dfs and similar trees Statement F Educational Codeforces Round 138 (Rated for Div. 2) {1749} PROGRAMMING 108269
370 Li Hua and Path data structures dfs and similar divide and conquer ds trees Statement F Codeforces Round 864 (Div. 2) {1797} PROGRAMMING 3000.0 Codeforces Round 864 (Div. 2) Editorial
1678 There Should Be a Lot of Maximums data structures dfs and similar ds graphs trees Statement E Codeforces Round 862 (Div. 2) {1805} PROGRAMMING 2250.0 Editorial of Codeforces Round #862 (Div. 2)
1457 LuoTianyi and XOR-Tree data structures dfs and similar dp ds greedy trees Statement C Codeforces Round 872 (Div. 1) {1824} PROGRAMMING 1750.0 CodeForces Round 872(Div. 1&2) Editorial 2500
781 Two Centroids data structures dfs and similar greedy trees Statement D Codeforces Round 873 (Div. 1) {1827} PROGRAMMING 1750.0 Codeforces Round #873 (Div. 1 & 2) Editorial 2800
1692 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
5503 Omsk Metro (simple version) data structures dfs and similar dp greedy math trees Statement F1 Codeforces Round 881 (Div. 3) {1843} PROGRAMMING Codeforces Round #881 (Div. 3) Editorial
10476 Queries for the Array data structures dfs and similar implementation strings trees Statement C Educational Codeforces Round 154 (Rated for Div. 2) {1861} PROGRAMMING Educational Codeforces Round 154 Editorial
3959 A Growing Tree data structures dfs and similar trees Statement F Codeforces Round 907 (Div. 2) {1891} PROGRAMMING 2250.0
3365 Unusual Entertainment data structures dfs and similar ds shortest paths sortings trees Statement G Codeforces Round 909 (Div. 3) {1899} PROGRAMMING Разбор Codeforces Round 909 (Div. 3)
394 Beautiful Tree data structures dfs and similar graphs trees Statement F Codeforces Round 914 (Div. 2) {1904} PROGRAMMING 3500.0 Codeforces Round 914 (Div. 2) Editorial
4088 Count Paths data structures dfs and similar divide and conquer dp ds trees Statement E Educational Codeforces Round 162 (Rated for Div. 2) {1923} PROGRAMMING Educational Codeforces Round 162 Editorial
4572 Microcycle data structures dfs and similar ds graphs greedy trees Statement F Codeforces Round 923 (Div. 3) {1927} PROGRAMMING 125597
628 Remove Bridges data structures dfs and similar dp greedy sortings trees Statement F Educational Codeforces Round 166 (Rated for Div. 2) {1976} PROGRAMMING Educational Codeforces Round 166 Editorial
2530 Cosmic Rays data structures dfs and similar greedy implementation trees Statement E EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} PROGRAMMING 2000.0
239 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
2113 Penchick and Chloe's Trees data structures dfs and similar dp greedy sortings trees Statement E Codeforces Round 987 (Div. 2) {2031} PROGRAMMING 2500.0
1434 Sakurako and Chefir data structures dfs and similar dp trees Statement G Codeforces Round 981 (Div. 3) {2033} PROGRAMMING