Magic Square 작성 C 소스

#include <stdio.h> #define MAX_SIZE 15 void main() { int square[MAX_SIZE][MAX_SIZE]; int i,j,row,column; int count; int size; printf("Enter the size of the square :"); scanf("%d",&size); if (size < 1 || size > MAX_SIZE + 1) { fprintf(stderr,"Error! Size is out of range\n"); //exit(1); } if (!(size%2)) { fprintf(stderr, "Error! Size is even\n"); //exit(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\n"); } printf("\n"); }