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1285BJust Eat It!1300dp, greedy, implementation1285CFadi and LCM1400brute force, math, number theory1285DDr. Evil Underscores1900bitmasks, brute force, dfs and similar1285EDelete a Segment2300brute force, constructive algorithms, data structures1288ADeadline1100binary search, brute force, math1288BYet Another Meme Problem1100math1288CTwo Arrays1600combinatorics, dp1288DMinimax Problem2000binary search, bitmasks, dp128CGames with Rectangle2000combinatorics, dp1290BIrreducible Anagrams1800binary search, constructive algorithms, data structures1290CPrefix Enlightenment2400dfs and similar, dsu, graphs1291BArray Sharpening1300greedy, implementation1294CProduct of Three Numbers1300greedy, math, number theory1294DMEX maximizing1600data structures, greedy, implementation1294EObtain a Permutation1900greedy, implementation, math1294FThree Paths on a Tree2000dfs and similar, dp, greedy1295BInfinite Prefixes1700math, strings1295CObtain The String1600dp, greedy, strings1295DSame GCDs1800math, number theory1295EPermutation Separation2200data structures, divide and conquer1299AAnu Has a Function1500brute force, greedy, math1299CWater Balance2100data structures, geometry, greedy129BStudents and Shoelaces1200brute force, dfs and similar, graphs1300BAssigning to Classes1000greedy, implementation, sortings1301BMotarack's Birthday1500binary search, greedy, ternary search1304BLongest Palindrome1100brute force, constructive algorithms, greedy1304CAir Conditioner1500dp, greedy, implementation1304DShortest and Longest LIS1800constructive algorithms, graphs, greedy1304E1-Trees and Queries2000data structures, dfs and similar, shortest paths1304F1Animal Observation (easy version)2300data structures, dp1304F2Animal Observation (hard version)2400data structures, dp, greedy1305BKuroni and Simple Strings1200constructive algorithms, greedy, strings1305CKuroni and Impossible Calculation1600brute force, combinatorics, math1305DKuroni and the Celebration1900constructive algorithms, dfs and similar, interactive1305EKuroni and the Score Distribution2200constructive algorithms, greedy, implementation1310ARecommendations1700data structures, greedy, sortings1310DTourism2300dp, graphs, probabilities1319BJourney Planning1400data structures, dp, greedy1319DNavigation System1700dfs and similar, graphs, shortest paths131BOpposites Attract1200implementation, math131CThe World is a Theatre1400combinatorics, math131DSubway1600dfs and similar, graphs131FPresent to Mom2000binary search, two pointers1321CRemove Adjacent1600brute force, constructive algorithms, greedy1325CEhab and Path-etic MEXs1500constructive algorithms, dfs and similar, greedy1325DEhab the Xorcist1700bitmasks, constructive algorithms, greedy1328BK-th Beautiful String1300binary search, brute force, combinatorics1328CTernary XOR1200greedy, implementation1328DCarousel1800constructive algorithms, dp, graphs1328ETree Queries1900dfs and similar, graphs, trees
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