题解 | #小乐乐定闹钟#

#include <stdio.h>

int main()
 {
         int k = 0;
         int h = 0;
         int m = 0;
         scanf("%d:%d %d",&h,&m,&k);
         int i = 0;
          i=k/60;
         h=h+i;
         int j = 0;
           j=k%60;
     if(j+m>=60)
          {
            h++;
        m=j+m-60;
          }
         else
           {
           m=j+m;
          }          
    if(h>24)
       {
         h=h%24;
       }
         printf("%02d:%02d",h,m);
    return 0;
}