卡平方暴力hack数据生成器

#include <bits/stdc++.h>
using namespace std;

const int n = 10000;
const int i = 10000;
const int h = 1000000;
const int R = n-1;

int main(){
	freopen("P2879.in", "w", stdout);
	cout << n << " " << i << " " << h << " " << R << endl;
	
	int a=1, b=n;
	for(int r=0; r!=R; ++r){
		cout << a << " " << b << endl;
		swap(a, b);
		if(a<b) ++a;
		else --a;
	} 
	
	return 0;
}