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  1. #include <stdio.h>
  2. int main()
  3. {
  4. int h,m,s;
  5. scanf("%d",&s);
  6. h = s/3600;
  7. m = s%3600/60;
  8. s = s%60;
  9. printf("%d:%d:%d",h,m,s);
  10. return 0;
  11. }
Success #stdin #stdout 0s 5320KB
stdin
3800
stdout
1:3:20