combinatorics - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	5866	P392C Yet Another Number Sequence combinatorics math matrices	0 / 0	(None)
	5856	P396A On Number of Decompositions into Multipliers combinatorics math number theory	0 / 0	(None)
	5853	P396D On Sum of Number of Inversions in Permutations combinatorics math	0 / 0	(None)
	5834	P401D Roman and Numbers bitmasks brute force combinatorics dp number theory *2000	0 / 0	(None)
	5827	P403D Beautiful Pairs of Numbers combinatorics dp *2300	0 / 0	(None)
	5811	P407C Curious Array brute force combinatorics implementation math *2500	0 / 0	(None)
	5783	P414B Mashmokh and ACM combinatorics dp number theory *1400	0 / 0	(None)
	5782	P414C Mashmokh and Reverse Operation combinatorics divide and conquer *2100	0 / 0	(None)
	5731	P431D Random Task binary search bitmasks combinatorics dp math *2100	0 / 0	(None)
	5700	P438E The Child and Binary Tree combinatorics divide and conquer fft number theory *3100	0 / 0	(None)
	5695	P439E Devu and Birthday Celebration combinatorics dp math *2100	0 / 0	(None)
	5656	P449D Jzzhu and Numbers bitmasks combinatorics dp *2400	0 / 0	(None)
	5648	P451E Devu and Flowers bitmasks combinatorics number theory *2300	0 / 0	(None)
	5645	P452C Magic Trick combinatorics math probabilities *2100	0 / 0	(None)
	5624	P457D Bingo! combinatorics math probabilities *2700	0 / 0	(None)
	5620	P459B Pashmak and Flowers combinatorics implementation sortings *1300	0 / 0	(None)
	5619	P459C Pashmak and Buses combinatorics constructive algorithms math *1900	0 / 0	(None)
	5589	P466D Increase Sequence combinatorics dp *2100	0 / 0	(None)
	5542	P476B Dreamoon and WiFi bitmasks brute force combinatorics dp math probabilities *1300	0 / 0	(None)
	5535	P478B Random Teams combinatorics constructive algorithms greedy math *1300	0 / 0	(None)

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