#define _USE_MATH_DEFINES #include #include #include #include #include #include //#include #include #include #include #include #include #include ///////// #define REP(i, x, n) for(int i = x; i < n; i++) #define rep(i,n) REP(i,0,n) #define P(p) cout<<(p)< ///////// typedef long long LL; typedef long double LD; ///////// using namespace::std; ///////// void ki(int* d,int N){ int temp,sa,sb; sa = 0; sb = 0; rep(i,N*N){ temp = (N+(N-i)%N+sa)%N * N + (i+N/2+(N+(-sb)%N)%N)%N; if( d[temp] == 0){ d[temp] = i+1; }else{ sa += 2; ++sb ; temp = (N+(N-i)%N+sa)%N * N + (i+N/2+(N+(-sb)%N)%N)%N; d[temp] = i+1; } } } void view(int* d,int N){ rep(i,N*N){ cout << d[i]; if( i % N == N-1){ cout << '\n'; }else{ cout << ' '; } } } int main(void){ std::cin.tie(0); std::ios::sync_with_stdio(false); std::cout << std::fixed;// //cout << setprecision(16);// const int dmax = 400; int d[dmax]; int N; cin>>N; fill_n( d,N*N, 0); if( N%2 == 1){ ki(d,N); }else if( N%4 == 0){ rep(i,N)rep(j,N){ if( (i%4)==(j%4) || 3-(i%4)==(j%4) ){ d[i*N+j] = j+N*i+1; } } for(int i=0;iC if(i==n/2){ for(int j=1;j<=m;++j){ temp = d[(i+n)*N +j]; d[(i+n)*N +j] = d[i*N+j]; d[i*N+j] = temp; } }else{ for(int j=0;jD for(int j= m+2; j<2*m+1; ++j){ rep(i,n){ temp = d[(i+n)*N+j+n]; d[(i+n)*N +j+n] = d[i*N+j+n]; d[i*N+j+n] = temp; } } } //表示 rep(i,N*N){ cout << d[i]; if( i % N == N-1){ cout << '\n'; }else{ cout << ' '; } } //check int sum = (1+N*N)*N*N/2/N; int ter; rep(i,N){ ter = 0; rep(j,N){ ter += d[i*N+j]; } if( sum != ter){ cout << i << "- " << ter << endl; } } rep(i,N){ ter = 0; rep(j,N){ ter += d[j*N + i]; } if( sum != ter){ cout << i << "| " << ter << endl; } } ter = 0; rep(i,N){ ter += d[i*N+i]; } if( sum != ter ){ cout << "\" << ter << endl; } ter = 0; rep(i,N){ ter += d[(N-1-i)*N+i]; } if( sum != ter){ cout << "/" << ter << endl; } return 0; }