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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	stack <int> P;
  6. 	int n, num, v1, v2;
  7. 	string accion;
  8.  
  9. 	cin >> n;
  10. 	for( int i=1;i<=n;i++){
  11. 		cin >> accion;
  12. 		if(accion == "AGREGA"){	cin >> num; P.push(num);}
  13. 		else if (accion == "CONSUME"){
  14. 			v1=P.top(); P.pop();
  15. 			v2=P.top(); P.pop();
  16. 			P.push(v1+v2);
  17. 			}
  18.  
  19. 		else{
  20. 			cout << P.top() << "\n";
  21. 	}
  22. 	}
  23. 	return 0;
  24. }
Success #stdin #stdout 0s 5316KB
comments (?)
stdin
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7
AGREGA 2
AGREGA 3
IMPRIME
AGREGA 4
IMPRIME
CONSUME
IMPRIME
stdout
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3
4
7
https://ideone.com/I7u7fJ
language:
C++14 (gcc 8.3)
created:
3 hours ago
visibility:
public

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