奇數階魔方陣原始碼

#include <stdio.h> #include <stdlib.h> #define N 5   /*確定魔方陣的大小*/ main() {     long a[N][N]={0};     int count = 1, i = 0, j = (N-1)/2;         while (count <= N * N)     {         a[i][j] = count;         i--;         /*指定下一個數*/         j++;         if(i < 0 && j <= N - 1)                        /*i和j範圍可能出現的異常情況*/                i = N - 1;                else if(i >= 0 && j > N - 1)                                    j = 0;                else if(a[i][j] || (i < 0 && j > N - 1) )               {i = i + 2; j = j - 1;}                 count++;          }         for (i = 0; i < N; i++)               /*輸出魔方陣*/     {         for (j = 0; j < N; j++)         {             printf("%8d", a[i][j]);            }         printf(""n"n");     }         system("pause");      }