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  1. /******************************************************************************
  2.  
  3. Welcome to GDB Online.
  4. GDB online is an online compiler and debugger tool for C, C++, Python, Java, PHP, Ruby, Perl,
  5. C#, OCamldxx dVB, Swift, Pascal, Fortran, Haskell, Objective-C, Assembly, HTML, CSS, JS, SQLite, Prolog.
  6. Code, Compile, Run and Debug online from anywhere in world.
  7.  
  8. *******************************************************************************/
  9. #include <iostream>
  10. #include <stack>
  11. #include <queue>
  12. #include <string>
  13. using namespace std;
  14. int main()
  15. {
  16.     stack<char> s;
  17.     queue<char> q;
  18.     priority_queue<char> que;
  19.     string str;
  20.     cin>>str;
  21.     int k = 0;
  22.     for(char c : str){
  23.         if(s.empty()){
  24.             s.push(c);
  25.             k+=c-'0';
  26.         }
  27.         else if(s.top() == '+'){
  28.             k+=c-'0';
  29.         }
  30.         else if(s.top() == '-'){
  31.             k-=c-'0';
  32.         }
  33.         else{
  34.             s.push(c);
  35.         }
  36.     }
  37.     return 0;
  38. }
Success #stdin #stdout 0s 5288KB
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Standard output is empty
https://ideone.com/Vn4HXz
language:
C++14 (gcc 8.3)
created:
286 days ago
visibility:
public

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