제출 #443164

#제출 시각아이디문제언어결과실행 시간메모리
443164penguinhackerProsjecni (COCI16_prosjecni)C++14
24 / 120
1 ms332 KiB
#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); di=dj*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; }
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