Codeforces - 题库 - 云斗学院

ID	题目显示标签隐藏标签	AC / 尝试	难度
7821	P1697B Promo greedy sortings	0 / 0	(无)
7820	P1697C awoo's Favorite Problem constructive algorithms data structures dp dsu greedy implementation strings two pointers	0 / 0	(无)
7819	P1697D Guess The String binary search constructive algorithms dsu interactive	0 / 0	(无)
7818	P1697E Coloring brute force combinatorics constructive algorithms dfs and similar dp dsu graphs implementation	0 / 0	(无)
7817	P1697F Too Many Constraints 2-sat	0 / 0	(无)
7899	P1698A XOR Mixup bitmasks brute force *800	0 / 0	3
7898	P1698B Rising Sand constructive algorithms greedy implementation *800	0 / 0	3
7897	P1698C 3SUM Closure brute force data structures *1300	0 / 0	4
7896	P1698D Fixed Point Guessing binary search constructive algorithms interactive *1600	0 / 0	5
7895	P1698E PermutationForces II brute force combinatorics greedy sortings trees two pointers *2300	0 / 0	8
7894	P1698F Equal Reversal constructive algorithms graphs implementation math *2800	0 / 0	10
7893	P1698G Long Binary String bitmasks math matrices meet-in-the-middle number theory *2900	0 / 0	10
7892	P1699A The Third Three Number Problem constructive algorithms math *800	0 / 0	3
7891	P1699B Almost Ternary Matrix bitmasks constructive algorithms matrices *900	0 / 0	3
7890	P1699C The Third Problem combinatorics constructive algorithms math *1700	0 / 0	5
7889	P1699D Almost Triple Deletions data structures dp greedy *2300	0 / 0	8
7888	P1699E Three Days Grace dp greedy math number theory two pointers *2600	0 / 0	10
7855	P1700A Optimal Path dp greedy math *800	0 / 0	(无)
7854	P1700B Palindromic Numbers constructive algorithms implementation math *1100	0 / 0	(无)
7853	P1700C Helping the Nature constructive algorithms greedy *1700	0 / 0	(无)

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