【奇数魔方阵】

/*
奇数魔方阵
 
*/

#include<stdio.h>
#include<stdlib.h>

#define N 5

int main(void){
    int i, j, key;
    int square[N+1][N+1] = {0};
    
    i = 0; 
    j = (N+1) / 2;
    
    for(key = 1; key <= N*N; key++){
        if((key % N) == 1){
            i++;
        }else{
            i--;
            j++;
        }
        
        if(i == 0){
            i = N;
        }
        if(j > N){
            j = 1;
        }
        
        square[i][j] = key;
    } 
    for(i = 1; i <= N; i++){
        for(j = 1; j <= N; j++){
            printf("%2d ", square[i][j]);
        }
        putchar('
');
    }
    return 0;
}

运行结果：