mofang.cpp

程序用来输出奇数阶的魔方阵

//该程序用来计算并输出奇数阶的魔方阵

#include <iostream.h>
#include <iomanip.h>

void main()
{
	const int num = 7;
	int A[num][num] = {0};
	int row=0,column=num/2;
	
	
	//	cin >> num;   //num is a odd number
	for (int i=1; i<=num*num; i++)
	{
		if (A[row][column]==0)			//若当前位置没有放置过数，则将i放于此，并将行数加1，列数减1
		{		
			A[row][column]=i;
			row=(row+1)%num;
			column=(column-1+num)%num;
		}
		else							//否则，将列数加1，再放置该数
		{
			column=(column+1)%num;
			A[row][column]=i;
			row=(row+1)%num;
			column=(column-1+num)%num;
		}
	}
	for (i=0; i<num; i++)
	{
		for (int j=0; j<num; j++)
		{
			cout <<setw(5) << A[i][j];
		}
		cout << endl;
	}
	
	
}