原因：显然暴力可过。

Gen：

#include <bits/stdc++.h>

using namespace std;

mt19937 rng;
uniform_int_distribution<int> dist(-1000, 1000); 

int main() {
	freopen("in.txt", "w", stdout);
	printf("%d %d %d\n", 200000, 1, 200000);
	for (int i = 1; i <= 200000; ++i) printf("%d ", dist(rng));
	return 0;
}