#include using namespace std; typedef long long ll; typedef long double ld; #define REP(i, n) for (int i = 0; i < (n); ++i) #define REPR(i, n) for (int i = n - 1; i >= 0; --i) #define FOR(i, m, n) for (int i = m; i < n; ++i) #define FORR(i, m, n) for (int i = m; i >= n; --i) #define ALL(v) (v).begin(),(v).end() templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b> n; int a[n][n]={}; REP(i,n){ REP(j,n){ a[i][(i+j)%n]=(i+j*2)%n+1; } } REP(i,n){ REP(j,n){ cout << a[i][j] << " "; } cout << endl; } }