摘要: #include<bits/stdc++.h>using namespace std;char s[100007];long long a[100007];long long dp[100007][4];int main(){ int n; scanf("%d",&n); scanf("%s",s) 阅读全文
posted @ 2019-01-17 19:12 sewage 阅读(118) 评论(0) 推荐(0) 编辑