combinatorics - 题库 - FJNU

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	633	P1543B Customising the Track combinatorics greedy math *900	0 / 0	(无)
	627	P1545B AquaMoon and Chess combinatorics math *1900	0 / 0	(无)
	626	P1545C AquaMoon and Permutations 2-sat brute force combinatorics constructive algorithms graph matchings graphs *2800	0 / 0	(无)
	610	P1548C The Three Little Pigs combinatorics dp fft math *2500	0 / 0	(无)
	601	P1550D Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers *2300	0 / 0	(无)
	591	P1551F Equidistant Vertices brute force combinatorics dfs and similar dp trees *2200	0 / 0	(无)
	589	P1552B Running for Gold combinatorics graphs greedy sortings *1500	0 / 0	(无)
	588	P1552C Maximize the Intersections combinatorics constructive algorithms geometry greedy sortings *1800	0 / 0	(无)
	577	P1553E Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math *2100	0 / 0	(无)
	573	P1553I Stairs combinatorics divide and conquer dp fft math *3400	0 / 0	(无)
	556	P1556F Sports Betting bitmasks combinatorics dp graphs math probabilities *2500	0 / 0	(无)
	551	P1557C Moamen and XOR bitmasks combinatorics dp math matrices *1700	0 / 0	(无)
	545	P1558D Top-Notch Insertions combinatorics data structures *2600	0 / 0	(无)
	537	P1559E Mocha and Stars combinatorics dp fft math number theory *2200	0 / 0	(无)
	508	P1567C Carrying Conundrum bitmasks combinatorics dp math *1600	0 / 0	(无)
	502	P1569C Jury Meeting combinatorics math *1500	0 / 0	(无)
	479	P1574B Combinatorics Homework combinatorics greedy math *1100	0 / 0	(无)
	476	P1574E Coloring combinatorics constructive algorithms implementation math *2500	0 / 0	(无)
	475	P1574F Occurrences combinatorics dfs and similar dp dsu fft graphs *2700	0 / 0	(无)
	438	P1580B Mathematics Curriculum brute force combinatorics dp trees *2600	0 / 0	(无)
	434	P1580F Problems for Codeforces combinatorics fft math *3300	0 / 0	(无)
	433	P1581A CQXYM Count Permutations combinatorics math number theory *800	0 / 0	(无)
	430	P1582B Luntik and Subsequences combinatorics math *900	0 / 0	(无)
	412	P1584D Guess the Permutation binary search combinatorics interactive math *2000	0 / 0	(无)
	403	P1585F Non-equal Neighbours combinatorics dp math *2400	0 / 0	(无)
	401	P1586I Omkar and Mosaic combinatorics constructive algorithms math *3500	0 / 0	(无)
	380	P1594E1 Rubik's Cube Coloring (easy version) combinatorics math *1300	0 / 0	(无)
	374	P1598D Training Session combinatorics data structures geometry implementation math *1700	0 / 0	(无)
	373	P1598E Staircases brute force combinatorics data structures dfs and similar dp implementation math *2100	0 / 0	(无)
	368	P1599C Bubble Strike combinatorics math probabilities ternary search *2000	0 / 0	(无)
	345	P1603E A Perfect Problem combinatorics dp math *3200	0 / 0	(无)
	344	P1603F October 18, 2017 combinatorics dp implementation math *2700	0 / 0	(无)
	336	P1605F PalindORme combinatorics dp *2900	0 / 0	(无)
	331	P1606E Arena combinatorics dp math *2100	0 / 0	(无)
	318	P1608D Dominoes combinatorics fft graphs math number theory *2400	0 / 0	(无)
	316	P1608F MEX counting combinatorics dp implementation *3200	0 / 0	(无)
	303	P1610D Not Quite Lee combinatorics dp math number theory *2000	0 / 0	(无)
	283	P1612G Max Sum Array combinatorics constructive algorithms greedy sortings *2500	0 / 0	(无)
	277	P1613F Tree Coloring combinatorics divide and conquer fft *2600	0 / 0	(无)
	274	P1614C Divan and bitwise operations bitmasks combinatorics constructive algorithms dp math *1500	0 / 0	(无)
	265	P1615F LEGOndary Grandmaster combinatorics dp math *2800	0 / 0	(无)
	255	P1616H Keep XOR Low bitmasks combinatorics data structures divide and conquer dp math *3000	0 / 0	(无)
	227	P1620G Subsequences Galore bitmasks combinatorics dp *2400	0 / 0	(无)
	214	P1622D Shuffle combinatorics math two pointers *2000	0 / 0	(无)
	188	P1626F A Random Code Problem combinatorics dp math number theory probabilities *2800	0 / 0	(无)
	178	P1628D1 Game on Sum (Easy Version) combinatorics dp games math *2100	0 / 0	(无)
	177	P1628D2 Game on Sum (Hard Version) combinatorics dp games math *2400	0 / 0	(无)
	168	P1630E Expected Components combinatorics math number theory probabilities *2900	0 / 0	(无)
	112	P1641D Two Arrays bitmasks brute force combinatorics greedy hashing math two pointers *2700	0 / 0	(无)
	111	P1641E Special Positions combinatorics divide and conquer fft math *3300	0 / 0	(无)
	103	P1644E Expand the Path brute force combinatorics data structures implementation math *1900	0 / 0	(无)
	102	P1644F Basis combinatorics fft math number theory *2900	0 / 0	(无)
	89	P1648A Weird Sum combinatorics data structures geometry math matrices sortings *1400	0 / 0	(无)
	87	P1648C Tyler and Strings combinatorics data structures implementation *1900	0 / 0	(无)
	70	P1651E Sum of Matchings brute force combinatorics constructive algorithms dfs and similar graph matchings greedy math *2600	0 / 0	(无)
	61	P1654H Three Minimums combinatorics constructive algorithms divide and conquer dp fft math *3500	0 / 0	(无)
	47	P1657E Star MST combinatorics dp graph matchings math *2200	0 / 0	(无)
	44	P1658B Marin and Anti-coprime Permutation combinatorics math number theory *800	0 / 0	(无)
	22	P1663D Is it rated - 3 combinatorics dp math	0 / 0	(无)
	7	P1666F Fancy Stack combinatorics dp implementation *2200	0 / 0	(无)
	7689	P1667E Centroid Probabilities combinatorics dp fft math	0 / 0	(无)
	7748	P1670F Jee, You See? bitmasks combinatorics dp *2400	0 / 0	(无)
	7743	P1671E Preorder combinatorics divide and conquer dp dsu hashing sortings trees *2100	0 / 0	(无)
	7742	P1671F Permutation Counting brute force combinatorics dp fft math *2700	0 / 0	(无)
	7728	P1673D Lost Arithmetic Progression combinatorics math number theory *1900	0 / 0	(无)
	7727	P1673E Power or XOR? bitmasks combinatorics math number theory *2500	0 / 0	(无)
	7724	P1674B Dictionary combinatorics math *800	0 / 0	(无)
	7723	P1674C Infinite Replacement combinatorics implementation strings *1000	0 / 0	(无)
	7777	P1679E Typical Party in Dorm bitmasks combinatorics dp strings *2400	0 / 0	(无)
	7850	P1687E Become Big For Me combinatorics constructive algorithms greedy math number theory *3500	0 / 0	(无)
	7828	P1691F K-Set Tree combinatorics dfs and similar dp math trees *2500	0 / 0	(无)
	7932	P1696E Placing Jinas combinatorics math *2000	0 / 0	(无)
	7929	P1696H Maximum Product? brute force combinatorics dp greedy implementation math two pointers *3500	0 / 0	(无)
	7801	P1697E Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math *2400	0 / 0	(无)
	7924	P1698E PermutationForces II brute force combinatorics greedy sortings trees two pointers *2300	0 / 0	(无)
	7919	P1699C The Third Problem combinatorics constructive algorithms math *1700	0 / 0	(无)
	7911	P1701F Points combinatorics data structures implementation math matrices *2500	0 / 0	(无)
	7980	P1704H1 Game of AI (easy version) combinatorics constructive algorithms dp fft math *3200	0 / 0	(无)
	7979	P1704H2 Game of AI (hard version) combinatorics fft math *3500	0 / 0	(无)
	7892	P1705D Mark and Lightbulbs combinatorics constructive algorithms greedy math sortings *1800	0 / 0	(无)
	7891	P1705E Mark and Professor Koro binary search bitmasks brute force combinatorics data structures greedy *2300	0 / 0	(无)
	7880	P1707D Partial Virtual Trees combinatorics dfs and similar dp math trees *3000	0 / 0	(无)
	7974	P1712E1 LCM Sum (easy version) binary search brute force combinatorics math number theory two pointers *2300	0 / 0	(无)
	7966	P1713F Lost Array bitmasks combinatorics constructive algorithms dp math *2900	0 / 0	(无)
	7988	P1715E Long Way Home binary search brute force chinese remainder theorem combinatorics constructive algorithms data structures dfs and similar divide and conquer dp dsu expression parsing flows games geometry graph matchings graphs greedy hashing implementation interactive math matrices number theory probabilities schedules shortest paths sortings string suffix structures strings ternary search trees two pointers	0 / 0	(无)
	7953	P1716F Bags with Balls combinatorics dp math number theory *2500	0 / 0	(无)
	8049	P1717D Madoka and The Corruption Scheme combinatorics constructive algorithms greedy math *1900	0 / 0	(无)
	8033	P1725C Circular Mirror binary search combinatorics geometry math two pointers *2000	0 / 0	(无)
	8030	P1725E Electrical Efficiency combinatorics data structures dp math number theory trees *2500	0 / 0	(无)
	8026	P1725I Imitating the Key Tree combinatorics dsu trees *2800	0 / 0	(无)
	8016	P1726E Almost Perfect combinatorics fft math *2400	0 / 0	(无)
	8015	P1726G A Certain Magical Party combinatorics data structures greedy sortings *3300	0 / 0	(无)
	8007	P1728G Illumination binary search bitmasks brute force combinatorics dp math two pointers *2700	0 / 0	(无)
	8000	P1729G Cut Substrings combinatorics dp hashing strings two pointers *2100	0 / 0	(无)
	8061	P1730E Maximums and Minimums combinatorics data structures divide and conquer number theory *2700	0 / 0	(无)
	8082	P1735D Meta-set brute force combinatorics data structures hashing math *1700	0 / 0	5
	8075	P1738E Balance Addicts combinatorics dp math two pointers *2300	0 / 0	8
	8069	P1739C Card Game combinatorics constructive algorithms dp games	0 / 0	(无)
	8167	P1747E List Generation combinatorics dp math *2900	0 / 0	10
	8163	P1748D ConstructOR bitmasks chinese remainder theorem combinatorics constructive algorithms math number theory *2100	0 / 0	7

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