fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. stack<int> st;
  4. int main() {
  5.         string s;
  6.     while(cin>>s){
  7.         if (isdigit(s[0])){
  8.             st.push(stoi(s));
  9.         }
  10.         else{
  11.             int a,b;
  12.             a=st.top();
  13.             st.pop();
  14.             b=st.top();
  15.             st.pop(); 
  16.             if (s=="+"){
  17.                 st.push(a+b);
  18.             }
  19.             else{
  20.                 if (s=="*"){
  21.                    st.push(a*b);
  22.             }
  23.  
  24.                 else{
  25.                         if (s=="/"){
  26.                     st.push(a/b);
  27.                     }
  28.                     else{
  29.  
  30.                    st.push(a-b);
  31.  
  32.             }
  33.  
  34.                 }
  35.                 }
  36.         }
  37.     }
  38.     cout<<st.top();
  39. }
  40.  
Success #stdin #stdout 0.01s 5300KB
comments (?)
stdin
copy 
5 6 +
stdout
copy 
11
https://ideone.com/bScm3m
language:
C++ (gcc 8.3)
created:
6 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!