题库 - strings - 南阳理工学院OJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	8271	P1864B Swap and Reverse greedy sortings strings	0 / 0	(无)
	8268	P1864E Guess Game bitmasks constructive algorithms data structures games math strings trees	0 / 0	(无)
	8322	P1867B XOR Palindromes bitmasks constructive algorithms strings	0 / 0	(无)
	8381	P1881A Don't Try to Count brute force strings	0 / 0	(无)
	8407	P1883B Chemistry strings	0 / 0	(无)
	8372	P1886C Decreasing String strings	0 / 0	(无)
	8510	P1896B AB Flipping greedy strings two pointers *900	0 / 0	3
	8450	P1898A Milica and String brute force implementation strings *800	0 / 0	3
	8446	P1898E Sofia and Strings data structures greedy sortings strings two pointers *2200	0 / 0	8
	8502	P1900A Cover in Water constructive algorithms greedy implementation strings *800	0 / 0	3
	8486	P1902E Collapsing Strings data structures strings trees *1900	0 / 0	6
	8456	P1907B YetnotherrokenKeoard data structures implementation strings *1000	0 / 0	3
	8455	P1907C Removal of Unattractive Pairs constructive algorithms greedy math strings *1100	0 / 0	3
	8603	P1922A Tricky Template constructive algorithms implementation strings *800	0 / 0	3
	8592	P1923F Shrink-Reverse binary search brute force greedy hashing implementation string suffix structures strings	0 / 0	(无)
	8591	P1924A Did We Get Everything Covered? constructive algorithms dp greedy shortest paths strings *1500	0 / 0	5
	8585	P1925A We Got Everything Covered! constructive algorithms greedy strings *800	0 / 0	3
	8575	P1927A Make it White greedy strings *800	0 / 0	3
	8574	P1927B Following the String constructive algorithms greedy strings *900	0 / 0	3
	8553	P1930D1 Sum over all Substrings (Easy Version) brute force dp greedy strings	0 / 0	(无)
	8552	P1930D2 Sum over all Substrings (Hard Version) bitmasks divide and conquer dp dsu greedy implementation strings	0 / 0	(无)
	8546	P1931A Recovering a Small String brute force strings *800	0 / 0	3
	8645	P1935A Entertainment in MAC constructive algorithms strings *800	0 / 0	3
	8616	P1941C Rudolf and the Ugly String dp greedy strings *900	0 / 0	3
	8740	P1943B Non-Palindromic Substring hashing implementation math strings *2000	0 / 0	7
	8714	P1948D Tandem Repeats? brute force strings two pointers *1700	0 / 0	5
	8695	P1950E Nearly Shortest Repeating Substring brute force implementation number theory strings *1500	0 / 0	5
	8693	P1950G Shuffling Songs bitmasks dfs and similar dp graphs hashing implementation strings *1900	0 / 0	6
	8688	P1951E No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings *2000	0 / 0	7
	8683	P1952A Are You a Robot, Again? strings	0 / 0	(无)
	8682	P1952B Is it stated? strings	0 / 0	(无)
	8676	P1952H Palindrome implementation strings	0 / 0	(无)
	8845	P1979D Fixing a Binary String bitmasks brute force constructive algorithms dp greedy hashing strings *1800	0 / 0	6
	8835	P1980G Yasya and the Mysterious Tree bitmasks data structures dfs and similar graphs greedy strings trees *2300	0 / 0	8
	8811	P1984D "a" String Problem brute force hashing implementation math string suffix structures strings *2000	0 / 0	7
	8806	P1985A Creating Words implementation strings *800	0 / 0	3
	8772	P1989B Substring and Subsequence brute force greedy strings *1200	0 / 0	4
	8756	P1992E Novice's Mistake brute force constructive algorithms implementation math strings *1700	0 / 0	5
	8746	P1994H Fortnite combinatorics constructive algorithms games greedy hashing interactive math number theory strings	0 / 0	(无)

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