View Code of Problem 448

#include<stdio.h>
int main() 
{
	int xin,jiu,T;
	double d,t,x,j;
	scanf("%d",&T);
	while(T--)
	{
		scanf("%lf%lf",&d,&t);
		if(d<=3)
		{
			j=11+(t/5.0)*2;
			x=11+(t/4.0)*2.5;
		}else if(d<=10)
		{
			j=11+(d-3)*2+(t/5.0)*2;
			x=11+(d-3)*2.5+(t/4.0)*2.5;
		}else
		{
			j=11+7*2+(d-10)*3+(t/5.0)*2;
			x=11+7*2.5+(d-10)*3.75+(t/4.0)*2.5;
		}
		jiu=(j+0.5);
		xin=(x+0.5);
		printf("%d\n",xin-jiu);
	}
}