摘要: A. Difficult Contest 题意: 重新规划s,使其没有FFT" 或 "NTT 思路: 倒着排即可 代码 void solve() { string s; cin >> s; map<char, int> mp; for (int i = 0; i < s.size (); ++i) 阅读全文
posted @ 2025-07-26 02:32 Li_Yujia 阅读(58) 评论(0) 推荐(0)