Time
Posted by JanWan
Last Updated: March 05, 2012
/* Illustrates the modulus operator. */
/* Inputs a number of seconds, and converts to hours, */
/* minutes, and seconds. */

#include <stdio.h>

/* Define constants */

#define SECS_PER_MIN 60
#define SECS_PER_HOUR 3600

 unsigned seconds, minutes, hours, secs_left, mins_left;

 main()
 {
 /* Input the number of seconds */

 printf("Enter number of seconds (< 65000): ");
 scanf("%d", &seconds);

 hours = seconds / SECS_PER_HOUR;
 minutes = seconds / SECS_PER_MIN;
 mins_left = minutes % SECS_PER_MIN;
 secs_left = seconds % SECS_PER_MIN;

 printf("%u seconds is equal to ", seconds);
 printf("%u h, %u m, and %u s\n", hours, mins_left, secs_left);

 return 0;
 }