求助

#include<iostream>
using namespace std;
int main()
{
	int n,i,x,y;
	cin>>n;
	int arr[n][n]={0};
	arr[0][(n-1)/2]=1;
	x=0,y=(n-1)/2;
	for(i=2;i<=n*n;i++)
	{
		if(x==0&&y!=n-1)
		{
			x=n-1,y++;
			arr[x][y]=i;
			continue;
		}
		if(y==n-1&&x!=0)
		{
			y=0,x--;
			arr[x][y]=i;
			continue;	
		}
		if(x==0&&y==n-1)
		{
			x++;
			arr[x][y]=i;
			continue;
		}
		if(x!=0&&y!=n-1&&arr[x-1][y+1]==0)
		{
			x--;
			y++;
			arr[x][y]=i;
			cout<<x<<y<<endl;
			continue;
		}
		else
		{
			x++;
			arr[x][y]=i;
			continue;
		}
	}
	for(x=0;x<n;x++)
	{
		for(y=0;y<n;y++)
		{
			cout<<arr[x][y]<<" ";
		}
	cout<<endl;
	}
	return 0;
}