5113.cpp

C Primer Plus(第五版)书后练习 第二章答案(自己做的

#include<stdio.h>
void main(void)
{
	int days;
	printf("Enter days:\n");
	while((scanf("%u",&days)==1)&&days>0)
	{
		printf("%u days= %u weeks and %u days\n",days,days/7,days%7);
	}
}