#include <stdio.h>

/* Splitting seconds into hh:mm:ss */

void split_time(long total_sec, int *hr, int *min, int *sec) {
  int f_h, f_m, f_s;
  f_h = total_sec / 3600;
  printf("hours: %d\n", f_h);
  total_sec = total_sec - f_h * 3600;
  f_m = total_sec / 60;
  printf("minutes: %d\n", f_m);
  total_sec = total_sec - f_m * 60;
  printf("seconds: %ld\n", total_sec);
  *hr = f_h;
  *min = f_m;
  *sec = total_sec;
}

void split_time_otimized(long total_sec, int *hr, int *min, int *sec) {
  *hr = (int)(total_sec / 3600);
  *min = (int)((total_sec % 3600) / 60);
  *sec = (int)(total_sec % 60);
}

int main() {
  long total_sec = 5123;
  int hours, minutes, seconds;
  hours = 0;
  minutes = 0;
  seconds = 0;
  printf("BEFORE: %d:%d:%d\n", hours, minutes, seconds);
  /* split_time(total_sec, &hours, &minutes, &seconds); */
  split_time_otimized(total_sec, &hours, &minutes, &seconds);
  printf("AFTER: %d:%d:%d\n", hours, minutes, seconds);
}