Untitled

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

int main(){
	int n, m, a, b;
	cout << "varNum: ";
	cin >> n;
	cout << "clauseNum: ";
	cin >> m;
	cout << "min: ";
	cin >> a;
	cout << "max: ";
	cin >> b;
	srand(time(0));
	for(int i = 0; i < m; i++){
		int q = a+rand()%b;
		while(q--) cout << ((rand()%n)+1)*(rand()%2==0?1:-1) << " ";
		cout << "0" <<endl;
	}
}