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Name
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Type
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65995 Two Buttons dfs and similar graphs greedy implementation math shortest paths Statement B Codeforces Round 295 (Div. 2) {520} PROGRAMMING Codeforces Round #295 Editorial (now with bonuses!) 1400
407 Bear and Chase brute force dfs and similar graphs implementation math probabilities Statement D Codeforces Round 356 (Div. 1) {679} PROGRAMMING Codeforces Round #356 — Editorial 2900
6025 Sorting by Subsequences dfs and similar dsu implementation math sortings Statement A AIM Tech Round 4 (Div. 1) {843} PROGRAMMING AIM Tech Round 4 -- Editorial 1400
4197 Fun with Integers dfs and similar graphs implementation math Statement D Codeforces Round 520 (Div. 2) {1062} PROGRAMMING Tutorial 1800
1248 Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory Statement F Codeforces Round 578 (Div. 2) {1200} PROGRAMMING Codeforces Round #578 (Div. 2) Editorial 2500
15604 Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math Statement C Educational Codeforces Round 104 (Rated for Div. 2) {1487} PROGRAMMING 87873
5694 Need for Pink Slips brute force dfs and similar implementation math probabilities Statement C Codeforces Round 730 (Div. 2) {1543} PROGRAMMING 1500.0 Codeforces Round #730 (Div. 2) Editorial
1081 Christmas Chocolates dfs and similar dp games graphs implementation math number theory shortest paths trees Statement E Codeforces Round 761 (Div. 2) {1617} PROGRAMMING 3000.0 Editorial for Codeforces Round #761 (Div. 2)
678 Sum of Matchings dfs and similar greedy implementation math Statement E Educational Codeforces Round 124 (Rated for Div. 2) {1651} PROGRAMMING Educational Codeforces Round 124 Editorial
3106 Potion Brewing Class dfs and similar implementation math number theory trees Statement D Codeforces Round 778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round) {1654} PROGRAMMING 2000.0 Editorial of Codeforces Round #778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round) 2100
11233 Where is the Pizza? data structures dfs and similar dsu graphs implementation math Statement C Codeforces Round 788 (Div. 2) {1670} PROGRAMMING 1750.0 Tutorial 1400
2267 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
7747 Selling a Menagerie dfs and similar dsu graphs implementation math Statement F Codeforces Round 895 (Div. 3) {1872} PROGRAMMING Codeforces Round 895 (Div. 3) Editorial
1578 Trees and XOR Queries Again bitmasks data structures dfs and similar implementation math trees Statement F Educational Codeforces Round 159 (Rated for Div. 2) {1902} PROGRAMMING Educational Codeforces Round 159 Editorial
12891 Circle Perimeter binary search brute force dfs and similar geometry implementation math Statement F Codeforces Round 944 (Div. 4) {1971} PROGRAMMING Codeforces Round 944 (Div. 4) Editorial 1600
3001 Chain Queries binary search data structures dfs and similar implementation trees Statement E Codeforces Round 947 (Div. 1 + Div. 2) {1975} PROGRAMMING 2000.0 editorial_zh.pdf 2100
18299 Find the Permutation dfs and similar graphs implementation sortings Statement B Codeforces Round 997 (Div. 2) {2056} PROGRAMMING 1250.0 Codeforces Round #997 (Div. 2) Editorial
1589 Counting Is Not Fun (Easy Version) combinatorics data structures dfs and similar dsu implementation math Statement F1 Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 1750.0 Codeforces Round 1000 (Div. 2) — Editorial
755 Numbers and Strings brute force dfs and similar dp implementation math Statement F Educational Codeforces Round 178 (Rated for Div. 2) {2104} PROGRAMMING Educational Codeforces Round 178 Editorial
2592 Red Light, Green Light (Hard version) binary search dfs and similar dp dsu graphs implementation number theory Statement D2 Codeforces Round 1030 (Div. 2) {2118} PROGRAMMING 1000.0 Codeforces Round 1030 (Div. 2) Editorial
4774 The 67th Iteration of "Counting is Fun" dfs and similar implementation math Statement G Codeforces Round 1090 (Div. 4) {2218} PROGRAMMING Codeforces Round 1090 (Div. 4) Editorial