显示代码纯文本
#include<fstream>
using namespace std;
ifstream cin("2015magic.in");
ofstream cout("2015magic.out");
int n,magic_square[40][40];
int main()
{
cin>>n;
int latest[2];
magic_square[1][n/2+1]=1;
latest[0]=1;
latest[1]=n/2+1;
for(int i=2;i<=n*n;i++)
{
if(latest[0]==1&&latest[1]!=n)
{
magic_square[n][latest[1]+1]=i;
latest[0]=n;
latest[1]=latest[1]+1;
continue;
}
if(latest[0]!=1&&latest[1]==n)
{
magic_square[latest[0]-1][1]=i;
latest[0]=latest[0]-1;
latest[1]=1;
continue;
}
if(latest[0]==1&&latest[1]==n)
{
magic_square[2][n]=i;
latest[0]=2;
latest[1]=n;
continue;
}
if(latest[0]!=1&&latest[1]!=n&&magic_square[latest[0]-1][latest[1]+1]==0)
{
magic_square[latest[0]-1][latest[1]+1]=i;
latest[0]=latest[0]-1;
latest[1]=latest[1]+1;
continue;
}
else
{
magic_square[latest[0]+1][latest[1]]=i;
latest[0]=latest[0]+1;
latest[1]=latest[1];
continue;
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
cout<<magic_square[i][j]<<' ';
}
cout<<endl;
}
cin.close();
cout.close();
return 0;
}