#include <iostream>
#include <numeric>
#include <cmath>
#include <algorithm>
#include <vector>
using namespace std;
#define sp ' '
#define st first
#define nd second
#define pb push_back
#define mp make_pair
#define forn(YY, yy) for(long long int yy = 0; yy < YY; ++yy)
#define prn(XX) cout << XX << endl
#define prs(XX) cout << XX << " "
typedef long long int ll;
typedef unsigned long long int ull;
typedef vector<ll> vll;
typedef vector<vector<ll>> vvll;
typedef pair<ll, ll> pll;
typedef vector<pll> vpll;
const int MOD = 1e9 + 7;
const int INF = 2e9 + 13;
const int mINF = -2e9 - 13;
const double PI = 3.14159265358979;
const double EPS = 1e-9;
int main(int argc, char **argv){
ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
int N; cin >> N;
if(N == 2){ cout << -1 << endl; return 0; }
if(N%2){
int s = 1;
for(int i = 1; i <= N; ++i){
for(int j = 1; j <= N; ++j){
cout << s++;
if(j != N) cout << sp;
}
cout << endl;
}
}
else{
vvll grid(N, vll(N));
grid[0][0] = 5000000; grid[0][1] = grid[0][0] - ((N-2)*(N-1)/2);
for(int i = 2; i < N; ++i){
grid[0][i] = grid[0][0] + i - 1;
}
for(int i = 1; i < N-1; ++i){
for(int j = 0; j < N; ++j){
grid[i][j] = grid[i-1][j] - 4000;
}
}
ll x = ((N-2)*(N-1)/2)*4000;
for(int i = 0; i < N; ++i){
grid[N-1][i] = grid[0][i] + x;
}
ll minsayi = INF;
for(int i = 0; i < N; ++i){
for(int j = 0; j < N; ++j){
minsayi = min(minsayi, grid[i][j]);
}
}
for(int i = 0; i < N; ++i){
for(int j = 0; j < N; ++j){
grid[i][j] -= (minsayi-1);
}
}
for(int i = 0; i < N; ++i){
for(int j = 0; j < N; ++j){
cout << grid[i][j];
if(j != N-1) cout << sp;
}
cout << endl;
}
}
return 0;
}
//cikisir
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
3 ms |
376 KB |
Output is correct |
8 |
Correct |
3 ms |
504 KB |
Output is correct |
9 |
Correct |
3 ms |
504 KB |
Output is correct |
10 |
Correct |
3 ms |
504 KB |
Output is correct |