two pointers - Codeforces - 题库

ID	题目显示标签隐藏标签	AC / 尝试	难度
7831	P1690E Price Maximization binary search greedy math two pointers *1500	0 / 0	(无)
7827	P1691B Shoe Shuffling constructive algorithms greedy implementation two pointers *1000	0 / 0	(无)
7825	P1691D Max GEQ Sum binary search constructive algorithms data structures divide and conquer implementation two pointers *1800	0 / 0	(无)
7873	P1692E Binary Deque binary search implementation two pointers *1200	0 / 0	(无)
7871	P1692G 2^Sort data structures dp sortings two pointers *1400	0 / 0	(无)
7878	P1696H Maximum Product? brute force combinatorics dp greedy implementation math two pointers	0 / 0	(无)
7820	P1697C awoo's Favorite Problem constructive algorithms data structures dp dsu greedy implementation strings two pointers	0 / 0	(无)
7895	P1698E PermutationForces II brute force combinatorics greedy sortings trees two pointers *2300	0 / 0	8
7888	P1699E Three Days Grace dp greedy math number theory two pointers *2600	0 / 0	10
7915	P1706D2 Chopping Carrots (Hard Version) brute force constructive algorithms data structures divide and conquer dp greedy math number theory two pointers *2400	0 / 0	9
8019	P1712E1 LCM Sum (easy version) binary search brute force combinatorics math number theory two pointers *2300	0 / 0	8
8018	P1712E2 LCM Sum (hard version) brute force data structures math number theory two pointers *2500	0 / 0	9
7989	P1719C Fighting Tournament binary search data structures implementation two pointers *1400	0 / 0	4
7985	P1720D1 Xor-Subsequence (easy version) bitmasks brute force dp strings trees two pointers *1800	0 / 0	6
7980	P1721C Min-Max Array Transformation binary search greedy two pointers *1400	0 / 0	4
8049	P1725C Circular Mirror binary search combinatorics geometry math two pointers *2000	0 / 0	7
8102	P1729D Friends and the Restaurant greedy sortings two pointers *1200	0 / 0	4
8099	P1729G Cut Substrings combinatorics dp hashing strings two pointers *2100	0 / 0	7
8095	P1730D Prefixes and Suffixes constructive algorithms strings two pointers *2200	0 / 0	8
8414	P1731D Valiant's New Map binary search brute force data structures dp two pointers *1700	0 / 0	5

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