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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int i,n,r;
  6. for(i=0;i<=4;i++)
  7. {
  8. r=r+i;
  9. }
  10. cout<<r;
  11. return 0;
  12.  
  13. }
Success #stdin #stdout 0s 5284KB
stdin
Standard input is empty
stdout
10