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  1. #include <stdio.h>
  2. int main()
  3. {
  4. int a,b,c,d;
  5. scanf("%d",&a);
  6. b = a/3600;
  7. c = a%3600/60;
  8. d = a%3600%60;
  9. printf("%d:%d:%d\n",b,c,d);
  10.  
  11. return 0;
  12. }
Success #stdin #stdout 0s 5280KB
stdin
3800
stdout
1:3:20