299f

[ABC299F] Square Subsequence

Problem StatementYou are given a string $S$ consisting of lowercase English letters. Print the number of non-empty strings $T$ that satisfy the follow ......
Subsequence Square 299F ABC 299

【题解】[ABC299F] Square Subsequence(DP)

【题解】[ABC299F] Square Subsequence 题目链接 [ABC299F] Square Subsequence 题意概述 给定一个由小写英文字母组成的字符串 $S$。计算满足以下条件的非空字符串 $T$ 的数量,答案对 $998244353$ 取模。 将 $T$ 复制一倍形成 ......
题解 Subsequence Square 299F ABC
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