奇数幻方.txt

对偶数进行幻方

#include<iostream.h>
#include<iomanip.h>
#include<malloc.h>
const int M=508;

void main()
{
	
	int i,j;
	int N;
	cout<<"请输入一个正奇数："<<endl;
	cin>>N;
	int count=0;
	while(N%2==0||N<0)
	{
		count++;
		if(count>=3)
		{
			cout<<"不能输入偶数或负数，";
		}
		cout<<"请输入一个正奇数："<<endl;
		cin>>N;
	}

/*	int **hf;
	for(i=0;i<N;i++)
		for(j=0;j<N;j++)
			hf[i][j]=0;

	for(i=0;i<N;i++)
		hf[i]=(int*)malloc(sizeof(int)*N);
*/	 
//	int (*hf)[N]=new int[N][N];

	
	int hf[M][M]={0};
	int number=1;
	i=0;
	j=(N-1)/2;
	hf[i][j]=number;
	while(number<N*N)
	{
		int ii,jj;
		ii=i;
		jj=j;
		i=i-1;
		if(i==-1) i=N-1;
		j=j+1;
		if(j==N) j=0;
		if(hf[i][j]==0)
			hf[i][j]=++number;
		else
		{
			j=jj;
			i=ii+1;
			if(i==N) i=0;
			hf[i][j]=++number;
		}
			
	}

	cout<<N<<"阶幻方："<<endl;
	for(i=0;i<N;i++)
	{
		for(j=0;j<N;j++)
			cout<<ends<<setw(4)<<hf[i][j];
		cout<<endl;cout<<endl;
	}

}