Codeforces - 题库 - 云斗学院

ID	题目显示标签隐藏标签	AC / 尝试	难度
7804	P1686A Everything Everywhere All But One greedy *800	0 / 0	(无)
7803	P1686B Odd Subarrays dp greedy *800	0 / 0	(无)
7849	P1687A The Enchanted Forest brute force greedy *1600	0 / 0	(无)
7848	P1687B Railway System constructive algorithms graphs greedy interactive sortings *1700	0 / 0	(无)
7847	P1687C Sanae and Giant Robot binary search brute force data structures dsu greedy sortings *2500	0 / 0	(无)
7846	P1687D Cute number binary search brute force data structures dsu implementation math *2900	0 / 0	(无)
7845	P1687E Become Big For Me combinatorics constructive algorithms greedy math number theory *3500	0 / 0	(无)
7844	P1687F Koishi's Unconscious Permutation fft math *3500	0 / 0	(无)
7843	P1688A Cirno's Perfect Bitmasks Classroom bitmasks brute force *800	0 / 0	(无)
7842	P1688B Patchouli's Magical Talisman bitmasks constructive algorithms greedy sortings *800	0 / 0	(无)
7841	P1688C Manipulating History constructive algorithms greedy strings *1700	0 / 0	(无)
7840	P1689A Lex String brute force greedy implementation sortings two pointers *800	0 / 0	(无)
7839	P1689B Mystic Permutation data structures greedy implementation *900	0 / 0	(无)
7838	P1689C Infected Tree dfs and similar dp trees *1600	0 / 0	(无)
7837	P1689D Lena and Matrix brute force data structures dp shortest paths *1900	0 / 0	(无)
7836	P1689E ANDfinity bitmasks brute force constructive algorithms dfs and similar dsu graphs *2500	0 / 0	(无)
7835	P1690A Print a Pedestal (Codeforces logo?) constructive algorithms greedy *800	0 / 0	(无)
7834	P1690B Array Decrements greedy implementation *800	0 / 0	(无)
7833	P1690C Restoring the Duration of Tasks data structures greedy implementation *800	0 / 0	(无)
7832	P1690D Black and White Stripe implementation two pointers *1000	0 / 0	(无)

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