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- #include<bits/stdc++.h>
- using namespace std;
- int nwd(int a, int b){
- return b ? nwd(b, a % b) : a;
- }
- int main(){
- int n, k = 0;
- cin >> n;
- if(n > 4 && n % 2 == 1)
- k = 2;
- for(int i = 2;i < n / 2 && !k;i++)
- if(nwd(i, n) == 1)
- k = i;
- if(k == 0){
- cout << "NIE DA SIE STWORZYC MAGICZNEGO KWADRATU O BOKU " << n;
- return 0;
- }
- for(int i = 0;i < n;i++){
- for(int j = 1;j <= n;j++)
- cout << ((i * k + j) % n == 0 ? n : (i * k + j) % n) << ' ';
- cout << '\n';
- }
- }
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