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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5. int i;
  6. int t;
  7. int sum = 0;
  8. setlocale(0, "");
  9. printf("write the final number of addition");
  10. scanf("%d",&t);
  11. for (i = 1; i <= t; i++)
  12. {
  13. sum += i;
  14. }
  15. printf("%d",sum);
  16. return 0;
  17. }
  18.  
Success #stdin #stdout 0s 4532KB
stdin
785



stdout
write the final number of addition308505