#include<stdio.h> int main() { int h1,m1,h2,m2,a,b; scanf("%d%d",&h1,&m1); scanf("%d%d",&h2,&m2); if(m2<m1) { a=60+m2-m1; b=(h2-h1-1)*60; } else { a=m2-m1; b=(h2-h1)*60; } printf("%d",a+b); return 0; }

#include<stdio.h> int main() { int h1,m1,h2,m2,a,b; scanf("%d%d",&h1,&m1); scanf("%d%d",&h2,&m2); a=h160+m1; b=h260+m2; printf("%d",b-a); return 0; }