d669. 11677 - Alarm Clock -- UVa11677 | From: [114.46.188.81] | 發表日期 : 2023-06-29 13:06

#include <stdio.h>

 

int main() {

  int h1,m1,h2,m2,time;

  scanf("%d %d %d %d",&h1,&m1,&h2,&m2);

  if(h1>h2){

  time=(24*60)-((h1*60)+m1)+((h2*60)+m2);

  printf("%d",time);

  } 

 

if(h1==h2){

if(m1>m2){

time=24*60-(m1-m2);

printf("%d",time);

}

if(m2>m1){

    time=m2-m1;

printf("%d",time);

}

}

if(h2>h1){

  time=((h2*60)+m2)-((h1*60)+m1);

  printf("%d",time);

  } 

if(h1==0&&m1==0&&h2==0&&m2==0){

printf(" ");

}  

}