math - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	1972	P1267K Key Storage combinatorics math *2100	0 / 0	(None)
	1969	P1268B Domino for Young dp greedy math *2000	0 / 0	(None)
	1967	P1268D Invertation in Tournament brute force divide and conquer graphs math *3200	0 / 0	(None)
	1965	P1269A Equation brute force math *800	0 / 0	(None)
	1963	P1270A Card Game games greedy math *800	0 / 0	(None)
	1962	P1270B Interesting Subarray constructive algorithms greedy math *1200	0 / 0	(None)
	1961	P1270C Make Good bitmasks constructive algorithms math *1400	0 / 0	(None)
	1960	P1270D Strange Device constructive algorithms interactive math sortings *1900	0 / 0	(None)
	1959	P1270E Divide Points constructive algorithms geometry math *2300	0 / 0	(None)
	1958	P1270F Awesome Substrings math strings *2600	0 / 0	(None)
	1957	P1270G Subset with Zero Sum constructive algorithms dfs and similar graphs math *2700	0 / 0	(None)
	1955	P1270I Xor on Figures constructive algorithms fft math *3500	0 / 0	(None)
	1954	P1271A Suits brute force greedy math *800	0 / 0	(None)
	1953	P1271B Blocks greedy math *1300	0 / 0	(None)
	1950	P1271E Common Number binary search combinatorics dp math *2100	0 / 0	(None)
	1948	P1272A Three Friends brute force greedy math sortings *900	0 / 0	(None)
	1932	P1276C Beautiful Rectangle brute force combinatorics constructive algorithms data structures greedy math *2300	0 / 0	(None)
	1926	P1277D Let's Play the Words? data structures hashing implementation math *1900	0 / 0	(None)
	1924	P1278B A and B greedy math *1500	0 / 0	(None)
	1920	P1278F Cards combinatorics dp math number theory probabilities *2600	0 / 0	(None)

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