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Solve any Codeforces or AtCoder problem
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1055CLucky Days1900math, number theory1055DRefactoring2400greedy, implementation, strings1059CSequence Transformation1600constructive algorithms, math1059DNature Reserve2200binary search, geometry, ternary search1059ESplit the Tree2400binary search, data structures, dp1060BMaximum Sum of Digits1100greedy1060CMaximum Subrectangle1600binary search, implementation, two pointers1060DSocial Circles1900greedy, math1060ESergey and Subway2000dfs and similar, dp, trees1064BEquations of Mathematical Magic1200math1068ABirthday1400math1068BLCM1200math, number theory1068CColored Rooks1700constructive algorithms, graphs1070AFind a Number2200dp, graphs, number theory1070BBerkomnadzor2400data structures, greedy1070CCloud Computing2000data structures, greedy1070DGarbage Disposal1300greedy1070EGetting Deals Done2100binary search, data structures1070FDebate1500greedy1070GMonsters and Potions2300brute force, dp, greedy1070IPrivatization of Roads in Berland2400flows, graph matchings, graphs1070JStreets and Avenues in Berhattan2300dp1080DOlya and magical square2000constructive algorithms, implementation, math1081CColorful Bricks1500combinatorics, dp, math1081DMaximum Distance1800dsu, graphs, shortest paths1081EMissing Numbers1900binary search, constructive algorithms, greedy1084BKvass and the Fair Nut1200greedy, implementation1084CThe Fair Nut and String1500combinatorics, dp, implementation1085BDiv Times Mod1100math1085CConnect Three1600implementation, math1085DMinimum Diameter Tree1700constructive algorithms, implementation, trees1085EVasya and Templates2300greedy, implementation, strings108BDatatypes1400math, sortings1091BNew Year and the Treasure Geolocation1200brute force, constructive algorithms, greedy1091CNew Year and the Sphere Transmission1400math, number theory1091DNew Year and the Permutation Concatenation1700combinatorics, dp, math1091ENew Year and the Acquaintance Estimation2400binary search, data structures, graphs1095CPowers Of Two1400bitmasks, greedy1095FMake It Connected1900dsu, graphs, greedy1098ASum in the tree1600constructive algorithms, dfs and similar, greedy1098BNice table2100brute force, constructive algorithms, greedy1098CConstruct a tree2400binary search, constructive algorithms, dfs and similar1099BSquares and Segments1100binary search, constructive algorithms, math1099FCookies2400binary search, data structures, dfs and similar1100CNN and the Optical Illusion1200binary search, geometry, math1100EAndrew and Taxi2200binary search, dfs and similar, graphs1104BGame with string1200data structures, implementation, math1108BDivisors of Two Integers1100brute force, greedy, math1108CNice Garland1300brute force, greedy, math1108DDiverse Garland1400constructive algorithms, dp, greedy
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