[問題] 奇數魔方陣
奇數魔方陣就是一個方陣中每行、每列 & 對角線的和都相等。
Ex:3X3 的方陣
8 1 6
3 5 7
4 9 2
我打的 Code 跑不出正確的結果 ...
有請板上高手指點到底是哪裡出了問題 (跪)
(我的 Code:)
================================================
import java.util.Scanner;
public class Exercise1{
public static void main(String[] args){
Scanner scanner = new Scanner(System.in);
System.out.print("請輸入階數 : ");
int layer = scanner.nextInt();
int[][] magic = new int[layer][layer];
int r = 0;
int l = ((layer-1)/2);
for(int i = 1; i <= (layer*layer); i++){
magic[r][l] = i;
r = ((r+layer-1)%layer);
l = ((l+1)%layer);
if(magic[r][l] != 0){
r = (r+layer-1)%layer;
l = (l+layer-1)%layer;
}
}
for(int i = 0; i < arr.length; i++)
for(int j = 0; j < arr[i].length; j++){
System.out.print(arr[i][j] + " ");
}
System.out.println();
}
}
}
============================================================
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