题库 - combinatorics - HydroOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	3283	P886E Maximum Element combinatorics dp math *2400	0 / 0	9
	3272	P888D Almost Identity Permutations combinatorics dp math *1600	0 / 0	5
	3263	P891E Lust combinatorics math matrices *3000	0 / 0	10
	3256	P893E Counting Arrays combinatorics dp math number theory *2000	1 / 1	7
	3253	P894B Ralph And His Magic Field combinatorics constructive algorithms math number theory *1800	0 / 0	6
	3247	P895C Square Subsets bitmasks combinatorics dp math *2000	0 / 1	7
	3246	P895D String Mark combinatorics math strings *2100	1 / 5	7
	3241	P896D Nephren Runs a Cinema chinese remainder theorem combinatorics math number theory *2900	0 / 0	10
	3222	P900D Unusual Sequences bitmasks combinatorics dp math number theory *2000	0 / 0	7
	3195	P908E New Year and Entity Enumeration bitmasks combinatorics dp math *2500	0 / 0	9
	3160	P914C Travelling Salesman and Special Numbers brute force combinatorics dp *1800	0 / 0	6
	3155	P914H Ember and Storm's Tree Game combinatorics dp games trees *3400	0 / 0	10
	3140	P917C Pollywog combinatorics dp matrices *2900	0 / 0	10
	3123	P920G List Of Integers binary search bitmasks brute force combinatorics math number theory *2200	0 / 0	8
	3067	P929C Красивая команда special problem combinatorics math 1700	0 / 0	5
	3053	P932E Team Work combinatorics dp math *2400	1 / 1	9
	3047	P933D A Creative Cutout brute force combinatorics math *2900	0 / 0	10
	3027	P938E Max History combinatorics math *2300	0 / 0	8
	3008	P946F Fibonacci String Subsequences combinatorics dp matrices *2400	0 / 0	9
	2984	P954H Path Counting combinatorics dp *2500	0 / 0	9
	2948	P960E Alternating Tree combinatorics dfs and similar divide and conquer dp probabilities trees *2300	0 / 0	8
	2945	P960G Bandit Blues combinatorics dp fft math *2900	0 / 0	10
	2946	P960G Bandit Blues combinatorics dp fft math *2900	1 / 2	10
	2937	P961G Partitions combinatorics math number theory *2700	0 / 0	10
	2894	P978E Bus Video System combinatorics math *1400	0 / 0	4
	2873	P981H K Paths combinatorics data structures dp fft math *3100	0 / 0	10
	2853	P985G Team Players combinatorics *2700	0 / 0	10
	2851	P986B Petr and Permutations combinatorics math *1800	0 / 0	6
	2821	P991E Bus Number brute force combinatorics math *1800	0 / 0	6
	2801	P995F Cowmpany Cowmpensation combinatorics dp math trees *2700	2 / 2	10
	2797	P997B Roman Digits brute force combinatorics dp greedy math *2000	0 / 0	7
	2796	P997C Sky Full of Stars combinatorics math *2500	0 / 0	9
	2795	P997D Cycles in product combinatorics divide and conquer trees *2900	1 / 6	10
	2782	P1000D Yet Another Problem On a Subsequence combinatorics dp *1900	1 / 2	6
	2728	P1007A Reorder the Array combinatorics data structures math sortings two pointers *1300	0 / 0	4
	2727	P1007B Pave the Parallelepiped bitmasks brute force combinatorics math number theory *2400	0 / 0	9
	2717	P1009E Intercity Travelling combinatorics math probabilities *2000	0 / 0	7
	2651	P1027E Inverse Coloring combinatorics dp math *2100	1 / 1	7
	2645	P1028D Order book combinatorics data structures greedy *2100	0 / 0	7
	2605	P1034C Region Separation combinatorics dp number theory trees *2700	0 / 0	10
	2600	P1036C Classy Numbers combinatorics dp *1900	0 / 0	6
	2597	P1036F Relatively Prime Powers combinatorics math number theory *2400	0 / 0	9
	2592	P1037F Maximum Reduction combinatorics data structures math *2500	1 / 2	9
	2559	P1043D Mysterious Crime brute force combinatorics math meet-in-the-middle two pointers *1700	0 / 0	5
	2557	P1043F Make It One bitmasks combinatorics dp math number theory shortest paths *2500	0 / 0	9
	2489	P1060F Shrinking Tree combinatorics dp *2900	0 / 0	10
	2462	P1065E Side Transmutations combinatorics strings *2300	0 / 0	8
	2428	P1073E Segment Sum bitmasks combinatorics dp math *2300	0 / 0	8
	2400	P1081C Colorful Bricks combinatorics dp math *1500	0 / 0	5
	2379	P1084C The Fair Nut and String combinatorics dp implementation *1500	0 / 0	5

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