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Name
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Type
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5444 Friends graphs implementation math Statement B Codeforces Beta Round 76 (Div. 2 Only) {94} PROGRAMMING Analysis Beta Round #76 (Div. 2-A,B,C) 1400
2611 Fox and Minimal path bitmasks constructive algorithms graphs implementation math Statement B Codeforces Round 228 (Div. 1) {388} PROGRAMMING Codeforces Round #228 — Editorial 2000
1264 Valera and Swaps constructive algorithms dsu graphs implementation math string suffix structures Statement D Codeforces Round 252 (Div. 2) {441} PROGRAMMING Разбор Codeforces Round #252 (Div. 2) 2300
65303 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
406 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
621 Black Widow dp graphs implementation math Statement C Codeforces Round 366 (Div. 1) {704} PROGRAMMING Tutorial 2800
402 Perpetual Motion Machine constructive algorithms dp graphs implementation math trees Statement E Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} PROGRAMMING Codeforces Round #424 Editorial 3100
3831 Mahmoud and Ehab and the xor-MST bitmasks dp graphs implementation math Statement E Codeforces Round 473 (Div. 2) {959} PROGRAMMING Codeforces round #473 editorial 1900
4187 Fun with Integers dfs and similar graphs implementation math Statement D Codeforces Round 520 (Div. 2) {1062} PROGRAMMING Tutorial 1800
1120 New Year and the Acquaintance Estimation binary search data structures graphs greedy implementation math sortings Statement E Good Bye 2018 {1091} PROGRAMMING Editorial 2400
1198 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
3956 Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers Statement D Codeforces Global Round 6 {1266} PROGRAMMING Codeforces Global Round 6 Editorial 2000
4175 Challenges in school №41 brute force constructive algorithms games graphs greedy implementation sortings Statement D Codeforces Round 632 (Div. 2) {1333} PROGRAMMING 1750.0 Codeforces Round #632 (Div. 2) editorial
2248 Water Level brute force graphs greedy implementation math Statement E Codeforces Round 689 (Div. 2, based on Zed Code Competition) {1461} PROGRAMMING 2250.0 Codeforces Round #689 (Div. 2). Editorial
4929 AB Graph constructive algorithms graphs greedy implementation strings Statement D Codeforces Round 699 (Div. 2) {1481} PROGRAMMING 2000.0 Codeforces Round #699 (Div. 2) Editorial
15578 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
5431 Array Stabilization (AND version) binary search brute force graphs greedy implementation math number theory shortest paths Statement F Codeforces Round 744 (Div. 3) {1579} PROGRAMMING Codeforces Round #744 (Div. 3) Editorial
1077 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)
1806 Spanning Tree Queries binary search data structures dsu graphs implementation math sortings Statement E Educational Codeforces Round 122 (Rated for Div. 2) {1633} PROGRAMMING 99539
11166 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
255 Impressionism constructive algorithms graphs implementation math Statement E Codeforces Round 814 (Div. 1) {1718} PROGRAMMING 2250.0 Codeforces Round #814 (Div. 1, Div. 2) Editorial
3687 Sum Graph constructive algorithms graphs implementation interactive math shortest paths trees Statement B Codeforces Round 865 (Div. 1) {1815} PROGRAMMING 1250.0 Editorial of Codeforces Round #865 2000
2811 Candy Party (Hard Version) bitmasks constructive algorithms dp graphs greedy implementation math Statement B2 Codeforces Round 896 (Div. 1) {1868} PROGRAMMING 750.0 Codeforces Round 896 (Div. 1, Div. 2) Editorial
8454 Candy Party (Easy Version) bitmasks constructive algorithms graphs greedy implementation math Statement B1 Codeforces Round 896 (Div. 1) {1868} PROGRAMMING 500.0 Codeforces Round 896 (Div. 1, Div. 2) Editorial
7685 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
1614 Interactive Game with Coloring brute force constructive algorithms graphs implementation interactive math trees Statement E Educational Codeforces Round 155 (Rated for Div. 2) {1879} PROGRAMMING 120773 2400
1969 Digital Village (Easy Version) brute force data structures dp dsu graphs greedy implementation math shortest paths trees Statement E1 Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} PROGRAMMING 1750.0 Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial
18233 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
18663 Vicious Labyrinth constructive algorithms graphs greedy implementation math Statement B Codeforces Round 1008 (Div. 2) {2078} PROGRAMMING 750.0 Codeforces Round 1008 (Div. 1, Div. 2) Editorial
2577 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
131 Inter Active (Hard Version) binary search bitmasks constructive algorithms graphs implementation interactive math probabilities Statement G2 Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2) {2127} PROGRAMMING 2750.0 Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2) Editorial