#include<iostream> #include<algorithm> #include<stack> #include<string> using namespace std; struct oper {     char ch;     int priority;//运算符优先级 }; //计算 double cal(double a,double b, struct oper top) {     //进行计算 ...

a=input() print(int(eval(a)))

#include <bits/stdc++.h> using namespace std; int Priority(char c) {     if(c == '#') return 0;     else if(c == '$') return 1;     else if(c == '(') return 2;     else if(c == '+' || c == '-') return 3;     else return 4; } double GetNumber(string s, int& index) {     d...