P9290
P9290 Luna likes Love 题解
原题：[洛谷P9310]([P9310 EGOI2021] Luna likes Love / 卢娜爱磕 cp - 洛谷 | 计算机科学教育新生态 (luogu.com.cn)) 题目大意 给定一个长度为 \(\large 2n(n\leq 10^5)\) 的序列，序列中 \(\large 1\si ......
洛谷P9290 [ROI 2018] Decryption 题解
include<bits/stdc++.h> pragma GCC optimize(1) pragma GCC optimize(2) pragma GCC optimize(3,"Ofast","inline") define reg register define int long long ......