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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int S,h,m,s;
  5. scanf("%d",&S);
  6. h=S/3600;
  7. m=(S%3600)/60;
  8. s=(S%3600)%60;
  9. printf("%d:%d:%d",h,m,s);
  10. return 0;
  11. }
  12.  
Success #stdin #stdout 0s 5304KB
stdin
3800
stdout
1:3:20