combinatorics - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	8639	P1864G Magic Square combinatorics constructive algorithms implementation	0 / 0	(None)
	8687	P1866B Battling with Numbers combinatorics math number theory	0 / 0	(None)
	8681	P1866H Happy Sets combinatorics	0 / 0	(None)
	8676	P1866M Mighty Rock Tower brute force combinatorics dp math probabilities	0 / 0	(None)
	8665	P1868C Travel Plan combinatorics dp implementation math trees	0 / 0	(None)
	8729	P1874D Jellyfish and Miku combinatorics dp math probabilities	0 / 0	(None)
	8769	P1876B Effects of Anti Pimples combinatorics number theory sortings	0 / 0	(None)
	8767	P1876D Lexichromatography combinatorics dfs and similar dsu graphs two pointers	0 / 0	(None)
	8713	P1879C Make it Alternating combinatorics dp greedy *1300	0 / 0	4
	8712	P1879D Sum of XOR Functions bitmasks combinatorics divide and conquer dp math *1700	0 / 0	5
	8751	P1886D Monocarp and the Set combinatorics data structures math	0 / 0	(None)
	8873	P1893E Cacti Symphony combinatorics dfs and similar dp graphs *3500	0 / 0	10
	8772	P1895F Fancy Arrays combinatorics dp flows hashing math matrices	0 / 0	(None)
	8908	P1905E One-X bitmasks combinatorics math trees	0 / 0	(None)
	8816	P1906H Twin Friends combinatorics dp	0 / 0	(None)
	8814	P1906J Count BFS Graph combinatorics dp	0 / 0	(None)
	8902	P1907E Good Triples brute force combinatorics number theory *1600	0 / 0	5
	8970	P1909F1 Small Permutation Problem (Easy Version) brute force combinatorics dp math *2200	0 / 0	8
	8969	P1909F2 Small Permutation Problem (Hard Version) combinatorics dp math *2500	0 / 0	9
	8966	P1909I Short Permutation Problem combinatorics dp fft math *3500	0 / 0	10

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