摘要: //读入fu #include <bits/stdc++.h> using namespace std; stack<int> n; stack<char> op; int main() { //freopen("expr.in","r",stdin); int x,y,i,j,tmp; long 阅读全文
posted @ 2021-10-05 12:01 木窗 阅读(478) 评论(0) 推荐(0)