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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. // your code goes here
  5. int n;
  6. printf("Input n:");
  7. scanf("%d",&n);
  8. int sum=0;
  9. for(int i=1;i<=n;i++)
  10. {
  11. sum=sum+1;
  12. }
  13.  
  14. printf("sum=%d\n",sum);
  15. return 0;
  16. }
  17.  
Success #stdin #stdout 0s 5320KB
stdin
10
stdout
Input n:sum=10