#include<stdio.h>
int main()
{
	int n,m,b,s;
	scanf("%d",&n);
	b=m=2,s=2-n;
	while(s+1<=-m) s+=++m;
	if(s<1-m) b++,s+=m++-1;
	for(n=b;n<=m;n++)
	printf("%d ",n>s+m?n+1:n); 
	return 0;
}
我这个简单多了，速度略慢！