PBCDIV - Phép chia hết
Tác giả: skyvn97
Ngôn ngữ: C++
#include<stdio.h>
typedef unsigned long long ull;
int t,c;
ull a,b,x,y,z;
int main(void) {
scanf("%d",&t);
for (c=1;c<=t;c=c+1) {
scanf("%llu",&a);
scanf("%llu",&b);
x=b/12-(a-1)/12;
y=b/30-(a-1)/30;
z=b/60-(a-1)/60;
printf("%llu\n",x+y-2*z);
}
return 0;
}