Submission #443165

#	Time	Username	Problem	Language	Result	Execution time	Memory
443165		penguinhacker	Prosjecni (COCI16_prosjecni)	C++14	120 / 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 n2=n*(n-1)/2;
	for (int i=1; i<=n; ++i) {
		int s=i<n?(i-1)*n2:n2*(n2-1);
		for (int j=1; j<=n; ++j)
			cout << s+(j<n?j:n2) << " ";
		cout << "\n";
	}
	return 0;
}

• Subtask 1: 120 / 120