Submission #443164

#	Time	Username	Problem	Language	Result	Execution time	Memory
443164		penguinhacker	Prosjecni (COCI16_prosjecni)	C++14	24 / 120	1 ms	332 KiB

prosjecni

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

#define ll long long
#define ar array

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n;
	cin >> n;
	if (n<=2) {
		cout << (n==1?1:-1);
		return 0;
	}
	int di, dj=1;
	for (; dj<=n; ++dj)
		if (n*(n-1)/2*dj%n==0)
			break;
	assert(dj<=n);
	di=dj*n;
	for (int i=0; i<n; ++i) {
		for (int j=0; j<n; ++j)
			cout << 1+i*di+j*dj << " ";
		cout << "\n";
	}
	return 0;
}

• Subtask 1: 24 / 120