#include <bits/stdc++.h>
#define inf 2e9
#define all(v) v.begin(), v.end()
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair <int, int> pii;
int n;
set <int> ms;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
#ifdef LOCAL
freopen("input.txt", "r", stdin);
#endif // LOCAL
cin >> n;
if (n == 2){
cout << -1;
return 0;
}
ms.insert(inf);
if (n & 1){
int cnt = 1;
for (int i = 0; i < n; i++){
for (int j = 0; j < n; j++){
cout << cnt++ << " ";
}
cout << "\n";
}
}else{
int now = 1;
for (int i = 0; i < n; i++){
int sum = 0, need = -1;
for (int j = 0; j < n - 1; j++){
while (*ms.lower_bound(now) == now) now++;
cout << now << " ";
if (j < n - 2)
sum += now;
else need = now;
ms.insert(now);
now++;
}
cout << need * (n - 1) - sum << "\n";
ms.insert(need * (n - 1) - sum);
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
6 ms |
384 KB |
Average condition doesn't hold. |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Incorrect |
5 ms |
384 KB |
Average condition doesn't hold. |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Incorrect |
5 ms |
384 KB |
Average condition doesn't hold. |
6 |
Incorrect |
5 ms |
512 KB |
Average condition doesn't hold. |
7 |
Incorrect |
6 ms |
512 KB |
Average condition doesn't hold. |
8 |
Incorrect |
8 ms |
768 KB |
Average condition doesn't hold. |
9 |
Incorrect |
8 ms |
896 KB |
Average condition doesn't hold. |
10 |
Incorrect |
8 ms |
896 KB |
Average condition doesn't hold. |