魔方程序建立

#include<stdio.h>#define   maxsize  15int main(){static int square[maxsize][maxsize];int i,j,row,column;int count;int size;printf("Enter the size of the square:\n");scanf("%d",&size);/*check for input error*/ if(size<1||size>maxsize+1){fprintf(stderr,"Error! size is out of range\n");return 1;}if(!(size%2)){fprintf(stderr,"Error! size is even\n");return 1;}for(i=0;i<size;i++)for(j=0;j<size;j++)square[i][j]=0;square[0][(size-1)/2]=1;i=0;j=(size-1)/2;for(count=2;count<=size*size;count++){row=(i-1<0)?(size-1):(i-1);column=(j-1<0)?(size-1):(j-1);if(square[row][column]) i=(++i) % size;else{i=row;j=(j-1<0)?(size-1):--j;}square[i][j]=count;}printf("Magic Square of size %d :\n\n",size);for(i=0;i<size;i++){for(j=0;j<size;j++)printf("%5d",square[i][j]);printf("\n");}printf("\n\n");}

从书上打下来的。嗯！嗯！嗯！