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1203EBoxers1500greedy, sortings1203F1Complete the Projects (easy version)2100greedy1203F2Complete the Projects (hard version)2300dp, greedy1207BSquare Filling1200constructive algorithms, greedy, implementation1207CGas Pipeline1500dp, greedy1207EXOR Guessing1900bitmasks, interactive, math1212DDivide by three, multiply by two1400*special, math1212EBooking System1600*special, greedy1212GHiking2300*special, binary search, dp1212HBerland Federalization2200*special, dp, trees1216CWhite Sheet1700geometry, math1216DSwords1300math1216E1Numerical Sequence (easy version)1900binary search, brute force, math1216E2Numerical Sequence (hard version)2200binary search, math1216FWi-Fi2100data structures, dp, greedy1223CSave the Nature1600binary search, greedy1223DSequence Sorting2000dp, greedy, two pointers1223EPaint the Tree2100dp, sortings, trees1227AMath Problem1100math1227D1Optimal Subsequences (Easy Version)1600data structures, greedy1227D2Optimal Subsequences (Hard Version)1800data structures, greedy1227EArson In Berland Forest2200binary search, graphs, shortest paths1227F1Wrong Answer on test 233 (Easy Version)2200dp1227F2Wrong Answer on test 233 (Hard Version)2400combinatorics, math1236BAlice and the List of Presents1500combinatorics, math1236CLabs1300constructive algorithms, greedy, implementation1236DAlice and the Doll2300brute force, data structures, greedy1237ABalanced Rating Changes1000implementation, math1237BBalanced Tunnel1300data structures, sortings, two pointers1237C1Balanced Removals (Easier)1700constructive algorithms, geometry, greedy1237C2Balanced Removals (Harder)1900binary search, constructive algorithms, divide and conquer1237DBalanced Playlist2000binary search, data structures, implementation1237EBalanced Binary Search Trees2400dp, math1245AGood ol' Numbers Coloring1000math, number theory1245BRestricted RPS1200constructive algorithms, dp, greedy1245CConstanze's Machine1400dp1245DShichikuji and Power Grid1900dsu, graphs, greedy1245EHyakugoku and Ladders2300dp, probabilities, shortest paths1245FDaniel and Spring Cleaning2300bitmasks, brute force, combinatorics1248AInteger Points1000geometry, math1248D1The World Is Just a Programming Task (Easy Version)2000brute force, dp, greedy1249B1Books Exchange (easy version)1000dsu, math1249B2Books Exchange (hard version)1300dfs and similar, dsu, math1249C1Good Numbers (easy version)1300brute force, greedy, implementation1249C2Good Numbers (hard version)1500binary search, greedy, math1249D1Too Many Segments (easy version)1800greedy1249D2Too Many Segments (hard version)1800data structures, greedy, sortings1249EBy Elevator or Stairs?1700dp, shortest paths1249FMaximum Weight Subset2200dp, trees1250BThe Feast and the Bus1800brute force, constructive algorithms, greedy
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