#include <iostream>
#include <cstdlib>
using namespace std;
double exp(){
char s[
20];
cin>>s;
switch(s[
0]){
case '+':
return exp()+
exp();
case '-':
return exp()-
exp();
case '*':
return exp()*
exp();
case '/':
return exp()/
exp();
default:
return atof(s);
break;
}
}
int main(){
cout<<
exp()<<endl;
return 0;
}
样例输入
* + 11.0 12.0 + 24.0 35.0
样例输出
1357
转载请注明原文地址: https://www.6miu.com/read-2450291.html
