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1613BAbsent Remainder1000greedy, implementation, sortings1613CPoisoned Dagger1200binary search1613DMEX Sequences1900dp, math1613ECrazy Robot2000dfs and similar, graphs1617CPaprika and Permutation1300binary search, greedy, math1617D2Too Many Impostors (hard version)2400constructive algorithms, implementation, interactive1622BBerland Music1000data structures, greedy, math1622CSet or Decrease1600binary search, brute force, greedy1622DShuffle2000combinatorics, math, two pointers1622EMath Test2200bitmasks, brute force, greedy1623CBalanced Stone Heaps1600binary search, greedy1623DRobot Cleaner Revisit2300implementation, math, probabilities1626BMinor Reduction1100greedy, strings1626CMonsters And Spells1700binary search, data structures, dp1626DMartial Arts Tournament2100binary search, brute force, greedy1626EBlack and White Tree2400dfs and similar, greedy, trees1627BNot Sitting1300games, greedy, sortings1627CNot Assigning1400constructive algorithms, dfs and similar, number theory1627DNot Adding1900brute force, dp, math1627ENot Escaping2200data structures, dp, implementation1632CStrange Test1600binary search, bitmasks, brute force1632DNew Year Concert2000binary search, data structures, greedy1632E1Distance Tree (easy version)2400binary search, data structures, dfs and similar163ASubstring and Subsequence1700dp163BLemmings2000binary search163CConveyor2100sortings, two pointers1641AGreat Sequence1200brute force, greedy, sortings1641CAnonymity Is Important2200binary search, brute force, data structures1644CIncrease Subarray Sums1400brute force, dp, greedy1644DCross Coloring1700data structures, implementation, math1644EExpand the Path1900brute force, combinatorics, data structures1648AWeird Sum1400combinatorics, data structures, geometry1648BIntegral Array1800brute force, constructive algorithms, data structures1650CWeight of the System of Nested Segments1200greedy, hashing, implementation1650DTwist the Permutation1300brute force, constructive algorithms, implementation1650ERescheduling the Exam1900binary search, data structures, greedy1650FVitaly and Advanced Useless Algorithms2200dp, greedy, implementation1650GCounting Shortcuts2100data structures, dfs and similar, dp1658CShinju and the Lost Permutation1700constructive algorithms, math1658D1388535 (Easy Version)1600bitmasks, math1658D2388535 (Hard Version)2300bitmasks, brute force, data structures1659ARed Versus Blue1000constructive algorithms, greedy, implementation1659BBit Flipping1300bitmasks, constructive algorithms, greedy1659CLine Empire1500binary search, brute force, dp1659DReverse Sort Sum1900constructive algorithms, data structures, greedy1659EAND-MEX Walk2200bitmasks, brute force, constructive algorithms1661BGetting Zero1300bitmasks, brute force, dfs and similar1661CWater the Trees1700binary search, greedy, math1661DProgressions Covering1900data structures, greedy1665CTree Infection1600binary search, greedy, sortings
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