摘要: 题解: 第一题:简单模拟: #include<bits/stdc++.h> using namespace std; const int M = 500000;// up; char s[M], ans[M]; int main(){ freopen("expression.in","r",stdi 阅读全文
posted @ 2018-10-20 18:24 Ed_Sheeran 阅读(157) 评论(0) 推荐(0)