#include <stdio.h>
int main()
{
	int sum=0, k=2;
	int n;
	int i;
	int p;
	scanf("%d",&n);
	while(1)
	{
		for(i=2;i<=k;i++)
			sum+=i;
		if(sum<=n&&n<sum+k+1)
			break;
		sum=0;
		k++;
	}
	p=n-sum;

	if(p==0)
		for(i=2;i<=k;i++)
			printf("%d ", i);
    else if(1<=p<=k-1)
	{
		for(i=2;i<=k-p;i++)
			printf("%d ", i);
		for(i=k+2-p;i<=k+1;i++)
			printf("%d ", i);
	}
	else
	{
		for(i=3;i<=k;i++)
			printf("%d ", i);
		printf("%d ", k+2);
	}
	return 0;
}

• 明白了,else if(1<=p<=k-1)~ (567) ybsb 2006-01-22 23:31:36