14第一题

#include<stdio.h>
int main(void)
{
	int m,denominator,flag,i,n,j;
	double item,sum;

	scanf("%d",&m);
	while(n<=m){
		scanf("%d",&n);
	}

	flag=1;
	denominator=1;
	sum=0;
	for(i=1;i<m;i++)
		for(j=1;j<n;j++){
		item=flag*1.0/denominator;
		sum=sum+item;
		flag=-flag;
		denominator=denominator+1;
		printf("%d
",sum);
		}
		  return 0;
}