Problem Set - 算道OJ

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
8679	CF1765K Torus Path greedy math *1500	0 / 0	(None)
8668	CF1765L Project Manager brute force data structures implementation *2400	0 / 0	(None)
8657	CF1765M Minimum LCM math number theory *1000	0 / 0	(None)
8646	CF1765N Number Reduction greedy *1500	0 / 0	(None)
8635	CF1766A Extremely Round brute force implementation *800	0 / 0	(None)
8623	CF1766B Notepad# implementation *1000	0 / 0	(None)
8612	CF1766C Hamiltonian Wall dp implementation *1300	0 / 0	(None)
8601	CF1766D Lucky Chains math number theory *1600	0 / 0	(None)
8590	CF1766E Decomposition binary search brute force data structures divide and conquer dp two pointers *2300	0 / 0	(None)
8579	CF1766F MCF flows *2800	0 / 0	(None)
8568	CF1767A Cut the Triangle implementation *800	0 / 0	(None)
8557	CF1767B Block Towers data structures greedy sortings *800	0 / 0	(None)
8546	CF1767C Count Binary Strings data structures dp *2100	0 / 0	(None)
8535	CF1767D Playoff combinatorics constructive algorithms dp greedy math *1500	0 / 0	(None)
8524	CF1767E Algebra Flash bitmasks brute force dp graphs math meet-in-the-middle trees *2500	0 / 0	(None)
8512	CF1767F Two Subtrees data structures trees *3100	0 / 0	(None)
8501	CF1768A Greatest Convex greedy math number theory *800	0 / 0	(None)
8490	CF1768B Quick Sort greedy math *900	0 / 0	(None)
8479	CF1768C Elemental Decompress constructive algorithms greedy implementation sortings *1300	0 / 0	(None)
8468	CF1768D Lucky Permutation constructive algorithms dfs and similar graphs greedy *1800	0 / 0	(None)
8457	CF1768E Partial Sorting combinatorics math number theory *2300	0 / 0	(None)
8446	CF1768F Wonderful Jump dp greedy *2900	0 / 0	(None)
8435	CF1770A Koxia and Whiteboards brute force greedy *1000	0 / 0	(None)
8424	CF1770B Koxia and Permutation constructive algorithms *1000	0 / 0	(None)
8413	CF1770C Koxia and Number Theory brute force chinese remainder theorem math number theory *1700	0 / 0	(None)
8401	CF1770D Koxia and Game constructive algorithms data structures dfs and similar dsu flows games graph matchings graphs implementation *2000	0 / 0	(None)
8390	CF1770E Koxia and Tree combinatorics dfs and similar dp dsu math probabilities trees *2400	0 / 0	(None)
8379	CF1770F Koxia and Sequence bitmasks combinatorics dp math number theory *3100	0 / 0	(None)
8368	CF1770G Koxia and Bracket divide and conquer fft math *3400	0 / 0	(None)
8357	CF1770H Koxia, Mahiru and Winter Festival constructive algorithms *3500	0 / 0	(None)
8346	CF1771A Hossam and Combinatorics combinatorics math sortings *900	0 / 0	(None)
8335	CF1771B Hossam and Friends binary search constructive algorithms dp two pointers *1400	0 / 0	(None)
8324	CF1771C Hossam and Trainees greedy math number theory *1600	0 / 0	(None)
8313	CF1771D Hossam and (sub-)palindromic tree brute force data structures dfs and similar dp strings trees *2100	0 / 0	(None)
8302	CF1771E Hossam and a Letter brute force dp implementation two pointers *2500	0 / 0	(None)
8290	CF1771F Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees *2500	0 / 0	(None)
8279	CF1773A Amazing Trick constructive algorithms graph matchings math probabilities *1900	0 / 0	(None)
8268	CF1773B BinCoin binary search divide and conquer hashing implementation probabilities trees *2200	0 / 0	(None)
8257	CF1773C __NO_TITLE__	0 / 0	(None)
8246	CF1773D Dominoes combinatorics flows graph matchings greedy *2600	0 / 0	(None)
8235	CF1773E Easy Assembly greedy sortings *1400	0 / 0	(None)
8224	CF1773F Football constructive algorithms *800	0 / 0	(None)
8213	CF1773G Game of Questions bitmasks combinatorics dp fft math probabilities *2800	0 / 0	(None)
8202	CF1773H Hot and Cold binary search interactive *2600	0 / 0	(None)
8191	CF1773I Interactive Factorial Guessing brute force games implementation interactive *2500	0 / 0	(None)
8179	CF1773J Jumbled Trees constructive algorithms math *2900	0 / 0	(None)
8168	CF1773K __NO_TITLE__	0 / 0	(None)
8157	CF1773L Lisa's Sequences dp *3500	0 / 0	(None)
8146	CF1774A Add Plus Minus Sign constructive algorithms math *800	0 / 0	(None)
8135	CF1774B Coloring constructive algorithms greedy math *1500	0 / 0	(None)
8124	CF1774C Ice and Fire constructive algorithms dp greedy *1300	0 / 0	(None)
8113	CF1774D Same Count One brute force constructive algorithms greedy implementation two pointers *1600	0 / 0	(None)
8102	CF1774E Two Chess Pieces dfs and similar dp greedy trees *1900	0 / 0	(None)
8091	CF1774F1 Magician and Pigs (Easy Version) brute force data structures implementation *2400	0 / 0	(None)
8080	CF1774F2 Magician and Pigs (Hard Version) binary search brute force data structures implementation *2700	0 / 0	(None)
8067	CF1774G Segment Covering brute force combinatorics constructive algorithms data structures dp trees *3200	0 / 0	(None)
8056	CF1774H Maximum Permutation constructive algorithms *3500	0 / 0	(None)
8045	CF1775A1 Gardener and the Capybaras (easy version) brute force constructive algorithms implementation *800	0 / 0	(None)
8034	CF1775A2 Gardener and the Capybaras (hard version) constructive algorithms greedy *900	0 / 0	(None)
8023	CF1775B Gardener and the Array bitmasks constructive algorithms *1300	0 / 0	(None)
8012	CF1775C Interesting Sequence bitmasks math *1600	0 / 0	(None)
8001	CF1775D Friendly Spiders dfs and similar graphs math number theory shortest paths *1800	0 / 0	(None)
7990	CF1775E The Human Equation greedy implementation *2100	0 / 0	(None)
7979	CF1775F Laboratory on Pluto constructive algorithms dp greedy math *2500	0 / 0	(None)
7968	CF1776A Walking Boy greedy *800	0 / 0	(None)
7956	CF1776B Vittorio Plays with LEGO Bricks dp geometry *2200	0 / 0	(None)
7945	CF1776C Library game games greedy interactive sortings *2500	0 / 0	(None)
7934	CF1776D Teamwork constructive algorithms greedy math *2800	0 / 0	(None)
7923	CF1776E Crossing the Railways data structures dp *3500	0 / 0	(None)
7912	CF1776F Train Splitting constructive algorithms graphs greedy *1700	0 / 0	(None)
7901	CF1776G Another Wine Tasting Event combinatorics constructive algorithms math strings *2100	0 / 0	(None)
7890	CF1776H Beppa and SwerChat two pointers *1300	0 / 0	(None)
7879	CF1776I Spinach Pizza games geometry greedy interactive *2500	0 / 0	(None)
7868	CF1776J Italian Data Centers graphs shortest paths *2500	0 / 0	(None)
7857	CF1776K Uniform Chemistry dp math *3200	0 / 0	(None)
7845	CF1776L Controllers binary search math *1500	0 / 0	(None)
7834	CF1776M Parmigiana With Seafood binary search dp greedy trees *3000	0 / 0	(None)
7823	CF1776N Count Permutations math *3500	0 / 0	(None)
7812	CF1777A Everybody Likes Good Arrays! greedy math *800	0 / 0	(None)
7801	CF1777B Emordnilap combinatorics greedy math *900	0 / 0	(None)
7790	CF1777C Quiz Master binary search math number theory sortings two pointers *1700	0 / 0	(None)
7779	CF1777D Score of a Tree bitmasks combinatorics dfs and similar dp math probabilities trees *1900	0 / 0	(None)
7768	CF1777E Edge Reverse binary search dfs and similar graphs trees *2200	0 / 0	(None)
7757	CF1777F Comfortably Numb bitmasks data structures divide and conquer strings trees *2400	0 / 0	(None)
7746	CF1778A Flip Flop Sum greedy implementation *800	0 / 0	(None)
7734	CF1778B The Forbidden Permutation greedy math *1300	0 / 0	(None)
7723	CF1778C Flexible String bitmasks brute force strings *1600	0 / 0	(None)
7712	CF1778D Flexible String Revisit combinatorics dp math probabilities *2100	0 / 0	(None)
7701	CF1778E The Tree Has Fallen! bitmasks dfs and similar math trees *2500	0 / 0	(None)
7690	CF1778F Maximizing Root dfs and similar dp graphs math number theory trees *2600	0 / 0	(None)
7679	CF1779A Hall of Fame constructive algorithms greedy strings *800	0 / 0	(None)
7668	CF1779B MKnez's ConstructiveForces Task constructive algorithms math *900	0 / 0	(None)
7657	CF1779C Least Prefix Sum data structures greedy *1600	0 / 0	(None)
7646	CF1779D Boris and His Amazing Haircut constructive algorithms data structures dp dsu greedy sortings *1700	0 / 0	(None)
7635	CF1779E Anya's Simultaneous Exhibition constructive algorithms graphs greedy interactive sortings *2400	0 / 0	(None)
7623	CF1779F Xorcerer's Stones bitmasks constructive algorithms dp trees *2500	0 / 0	(None)
7612	CF1779G The Game of the Century constructive algorithms graphs shortest paths *3000	0 / 0	(None)
7601	CF1779H Olympic Team Building brute force meet-in-the-middle *3500	0 / 0	(None)
7590	CF1780A Hayato and School constructive algorithms greedy *800	0 / 0	(None)
7579	CF1780B GCD Partition brute force greedy math number theory *1100	0 / 0	(None)

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