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821BOkabe and Banana Trees1300brute force, math821COkabe and Boxes1500data structures, greedy, trees821DOkabe and City2200dfs and similar, graphs, shortest paths821EOkabe and El Psy Kongroo2100dp, matrices825CMulti-judge Solving1600greedy, implementation825DSuitable Replacement1500binary search, greedy, implementation825EMinimal Labels2300data structures, dfs and similar, graphs825FString Compression2400dp, hashing, string suffix structures830AOffice Keys1800binary search, brute force, dp838BDiverging Directions2100data structures, dfs and similar, trees838EConvex Countour2300dp839BGame of the Rows1900brute force, greedy, implementation839CJourney1500dfs and similar, dp, graphs839DWinter is here2200combinatorics, dp, math842AKirill And The Game1200brute force, two pointers842CIlya And The Tree2000dfs and similar, graphs, math842DVitya and Strange Lesson2000binary search, data structures843ASorting by Subsequences1400dfs and similar, dsu, implementation846BMath Show1800brute force, greedy846CFour Segments1800brute force, data structures, dp846DMonitor1900binary search, data structures846EChemistry in Berland2300dfs and similar, greedy, trees846FRandom Query1800data structures, math, probabilities847BPreparing for Merge Sort1600binary search, data structures847DDog Show2200constructive algorithms, data structures, greedy847EPackmen1800binary search, dp847FBerland Elections2100greedy, sortings847HLoad Testing1600greedy847INoise Level1900dfs and similar, implementation, math847JStudents Initiation2400binary search, flows, graphs847KTravel Cards1800greedy, implementation, sortings847LBerland SU Computer Network2400constructive algorithms, dfs and similar, graphs847MWeather Tomorrow1000implementation, math84CBiathlon1700binary search, implementation852BNeural Network country2000dp, matrices852CProperty2100greedy, sortings852DExploration plan2100binary search, flows, graph matchings852ECasinos and travel2100dp852FProduct transformation2200combinatorics, math, number theory852IDating2300brute force, dfs and similar, graphs856BSimilar Words2300dp, hashing, strings856CEleventh Birthday2400combinatorics, dp, math856DMasha and Cactus2400dp, trees85BEmbassy Queue1800data structures, greedy85CPetya and Tree2200binary search, dfs and similar, probabilities85DSum of Medians2300binary search, brute force, data structures863BKayaking1500brute force, greedy, sortings863C1-2-31800graphs, implementation873BBalanced Substring1500dp, implementation873CStrange Game On Matrix1600greedy, two pointers
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