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  1. #include <stdio.h>
  2. int main() {
  3. int a,b,c,d,e;
  4. scanf("%d",&a);
  5. b=a/3600;
  6. c=(a-3600*b)/60;
  7. d=a-(b*3600+c*60);
  8. printf("%d:%d:%d",b,c,d);
  9. return 0;
  10. }
  11.  
Success #stdin #stdout 0s 5324KB
stdin
3800
stdout
1:3:20