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9337 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
1915 Invariance of Tree constructive algorithms dfs and similar greedy trees Statement B Codeforces Round 319 (Div. 1) {576} PROGRAMMING Editorial Codeforces Round #319 2300
2367 Dasha and Puzzle constructive algorithms dfs and similar graphs greedy trees Statement E Codeforces Round 394 (Div. 2) {761} PROGRAMMING Codeforces Round #394 (Div. 2) [Editorial] 2000
2261 Tree Destruction constructive algorithms dfs and similar graphs greedy trees Statement F Educational Codeforces Round 35 (Rated for Div. 2) {911} PROGRAMMING T 2500
2994 Destruction of a Tree constructive algorithms dfs and similar dp greedy trees Statement B Tinkoff Internship Warmup Round 2018 and Codeforces Round 475 (Div. 1) {963} PROGRAMMING Editorial Tinkoff Internship Warmup Round 2018 and Codeforces Round #475 (Div. 1 + Div. 2) 2100
6713 Decorate Apple Tree constructive algorithms dfs and similar dp graphs greedy sortings trees Statement D Mail.Ru Cup 2018 Round 3 {1056} PROGRAMMING Mail.Ru Cup 2018 Round 3 Editorial 1600
1978 Minimal Diameter Forest constructive algorithms dfs and similar greedy trees Statement E Codeforces Round 527 (Div. 3) {1092} PROGRAMMING Codeforces Round #527 (Div. 3) Editorial 2500
9534 Sum in the tree constructive algorithms dfs and similar greedy trees Statement A Codeforces Round 530 (Div. 1) {1098} PROGRAMMING 64331 1600
1161 Construct a tree binary search constructive algorithms dfs and similar graphs greedy trees Statement C Codeforces Round 530 (Div. 1) {1098} PROGRAMMING 64331 2300
2542 Privatization of Roads in Treeland binary search constructive algorithms dfs and similar graphs greedy trees Statement G Codeforces Round 547 (Div. 3) {1141} PROGRAMMING 66062 2500
5454 Numbers on Tree constructive algorithms data structures dfs and similar graphs greedy trees Statement B Codeforces Round 612 (Div. 1) {1286} PROGRAMMING Codeforces Round #612 - Editorial 2000
3086 Berland Beauty constructive algorithms dfs and similar greedy sortings trees Statement F Codeforces Round 617 (Div. 3) {1296} PROGRAMMING Codeforces Round #617 (Div. 3) Editorial 2400
17032 Ehab and Path-etic MEXs constructive algorithms dfs and similar greedy trees Statement C Codeforces Round 628 (Div. 2) {1325} PROGRAMMING 1250.0 74235 1500
10501 Maximum Distributed Tree constructive algorithms dfs and similar greedy math number theory sortings trees Statement D Codeforces Round 665 (Div. 2) {1401} PROGRAMMING 1750.0 Codeforces Round #665 (Div. 2) Editorial
2068 Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees Statement F Codeforces Global Round 14 {1515} PROGRAMMING 3250.0 Editorial
2289 Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp flows graphs greedy implementation trees Statement D Codeforces Round 720 (Div. 2) {1521} PROGRAMMING 2250.0 90477
3048 Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers Statement D2 Codeforces Round 738 (Div. 2) {1559} PROGRAMMING 1500.0 Tutorial (en) 2500
3243 Treelabeling bitmasks constructive algorithms dfs and similar games graphs greedy trees Statement D Codeforces Round 754 (Div. 2) {1605} PROGRAMMING 2000.0 tutorial 2100
2158 Towers constructive algorithms dfs and similar dp greedy trees Statement F Codeforces Global Round 19 {1637} PROGRAMMING 3250.0 Tutorial
13412 Infected Tree constructive algorithms dfs and similar dp greedy trees Statement C Codeforces Round 798 (Div. 2) {1689} PROGRAMMING 1250.0 Editorial for Codeforces Round #798 (Div. 2)
2449 Tree Queries (Easy Version) constructive algorithms dfs and similar dp greedy trees Statement D1 Codeforces Round 801 (Div. 2) and EPIC Institute of Technology Round {1695} PROGRAMMING 1250.0 Editorial for Codeforces Round #801 (Div. 2) and EPIC Institute of Technology Round
2284 Tree Queries (Hard Version) constructive algorithms dfs and similar dp greedy trees Statement D2 Codeforces Round 801 (Div. 2) and EPIC Institute of Technology Round {1695} PROGRAMMING 1000.0 Editorial for Codeforces Round #801 (Div. 2) and EPIC Institute of Technology Round
5029 Hanging Hearts constructive algorithms data structures dfs and similar dp greedy trees Statement E Codeforces Round 831 (Div. 1 + Div. 2) {1740} PROGRAMMING 2000.0 Tutorial 1800
556 Bus Routes binary search constructive algorithms dfs and similar greedy trees Statement E Codeforces Round 873 (Div. 1) {1827} PROGRAMMING 2500.0 Codeforces Round #873 (Div. 1 & 2) Editorial 3400
508 Most Different Tree brute force constructive algorithms dfs and similar greedy hashing Statement F Codeforces Round 897 (Div. 2) {1867} PROGRAMMING 4000.0
2590 Tree Compass constructive algorithms dfs and similar greedy trees Statement C Codeforces Round 934 (Div. 1) {1943} PROGRAMMING 1250.0 Codeforces Round #934 (Div1, Div2) Editorial
1892 Alice's Adventures in the Rabbit Hole constructive algorithms dfs and similar dp greedy math probabilities trees Statement E Codeforces Round 986 (Div. 2) {2028} PROGRAMMING 2000.0 Codeforces Round 986 (Div. 2) Editorial
5833 Non Prime Tree brute force constructive algorithms dfs and similar greedy number theory trees two pointers Statement D Codeforces Round 992 (Div. 2) {2040} PROGRAMMING 2000.0 Codeforces Round #992 (Div.2) Editorial
2721 Ancient Tree constructive algorithms data structures dfs and similar dsu greedy trees Statement E Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2) {2127} PROGRAMMING 2500.0 Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2) Editorial
2480 Tree Coloring (Hard Version) constructive algorithms data structures dfs and similar greedy implementation trees Statement D2 Hello 2026 {2183} PROGRAMMING 2000.0
8734 Tree Coloring (Easy Version) constructive algorithms dfs and similar greedy trees Statement D1 Hello 2026 {2183} PROGRAMMING 1000.0
4041 Tree Orientation (Easy Version) constructive algorithms dfs and similar dsu graphs greedy trees Statement D1 Codeforces Round 1086 (Div. 2) {2208} PROGRAMMING 1250.0 Tutorial