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  1. #include <iostream>
  2. using namespace std;
  3. int n;
  4. int i;
  5. int suma = 0;
  6. int main() {
  7. 	cout<<"introduce el valor<<endl";
  8. 	cin>>n;
  9. 	for(i=0;i<n;i=i+1){
  10. 		suma = suma + i;
  11. 	} cout<<"el resultado es:"<<suma<<endl;
  12.  
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 5288KB
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introduce el valor<<endlel resultado es:21
https://ideone.com/5Z3tZa
language:
C++ (gcc 8.3)
created:
8 days ago
visibility:
public

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