#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);
for (di=dj; di<=(n-1)*dj; di+=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;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
204 KB |
Average condition doesn't hold. |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Incorrect |
0 ms |
204 KB |
Average condition doesn't hold. |
4 |
Correct |
1 ms |
312 KB |
Output is correct |
5 |
Incorrect |
1 ms |
204 KB |
Average condition doesn't hold. |
6 |
Incorrect |
1 ms |
204 KB |
Average condition doesn't hold. |
7 |
Incorrect |
1 ms |
332 KB |
Average condition doesn't hold. |
8 |
Incorrect |
1 ms |
332 KB |
Average condition doesn't hold. |
9 |
Incorrect |
1 ms |
332 KB |
Average condition doesn't hold. |
10 |
Incorrect |
2 ms |
332 KB |
Average condition doesn't hold. |