快读测试数据生成

#include<bits/stdc++.h>
using namespace std;
int main()
{
	freopen("in.txt","w",stdout);
	int n=1e6;
	srand(time(NULL));
	printf("%d\n",n);
	for (int i=0;i<n;i++) printf("%d\n",-rand());
	
	return 0;
}