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#include<bits/stdc++.h>
using namespace std;
int n,x,y,a[55][55];
int main(){
cin>>n;
x=1;
y=n;
n=n*2-1;
for(int i=1;i<=n*n;i++){
a[x][y]=i;
if(x==1&&y==n||a[x-1][y+1]!=0){
x++;
}else if(x==1){
x=n;
y++;
}else if(y==n){
y=1;
x--;
}else{
x--;
y++;
}
}
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
cout<<a[i][j]<<" ";
}
cout<<endl;
}
return 0;
}
(此代码只生成奇数阶幻方)
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