利用数组循环读取超级简单~

#include<stdio.h>
int main(){
	int week=0,n=0,nn=0,i;
	scanf("%d %d",&week,&n);//输入周几 
	
	week=week-1;//数组下标从0开始 
	int a[7]={1,1,1,1,1,0,0};//双休日值为0 
	
	for(i=0;i<n;i++){
		nn+=a[week];
		week++;
		if(week==7)
			week=0;	
	}
	printf("%d",nn*250);
}