显示效果如下：
1 3 4
2 5 8
6 7 9
2 5 8
6 7 9
package
Test;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Main {
public static void main(String[] args) throws NumberFormatException,
IOException {
System.out.println( " 请输入数组的大小： " );
BufferedReader br = new BufferedReader( new InputStreamReader(System.in));
int arraySize = Integer.parseInt(br.readLine());
int [][] a = new int [arraySize][arraySize];
int row = 0 ;
int number = 1 ; // 准备填充的数字
int snakeLine = 0 ; // snakeLine代表斜行（蛇行）数，由于snakeLine将会用于数组下标的计算，所以从0开始计数
for (; snakeLine < 2 * arraySize - 1 ; snakeLine ++ ) {
if (snakeLine < arraySize) // 左上半部分
{
if (snakeLine % 2 != 0 ) // 奇数斜行
{
for (row = snakeLine; row >= 0 ; row -- )
a[row][snakeLine - row] = number ++ ;
} else {
for (row = snakeLine; row >= 0 ; row -- )
a[snakeLine - row][row] = number ++ ;
}
} else { // 右下半部分
if (snakeLine % 2 != 0 ) {
for (row = arraySize - 1 ; row > snakeLine - arraySize; row -- )
a[row][snakeLine - row] = number ++ ;
} else {
for (row = arraySize - 1 ; row > snakeLine - arraySize; row -- )
a[snakeLine - row][row] = number ++ ;
}
}
}
System.out.println( " Result as follows：\n " );
for (row = 0 ; row < arraySize; row ++ ) {
for (number = 0 ; number < arraySize; number ++ ) { // number此处作为数组的下标使用
System.out.print(a[row][number] + " \t " );
}
System.out.println();
System.out.println();
}
}
}
本文转自BlogJavaOo缘来是你oO的博客，原文链接：
蛇行填数，如需转载请自行联系原博主。
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Main {
public static void main(String[] args) throws NumberFormatException,
IOException {
System.out.println( " 请输入数组的大小： " );
BufferedReader br = new BufferedReader( new InputStreamReader(System.in));
int arraySize = Integer.parseInt(br.readLine());
int [][] a = new int [arraySize][arraySize];
int row = 0 ;
int number = 1 ; // 准备填充的数字
int snakeLine = 0 ; // snakeLine代表斜行（蛇行）数，由于snakeLine将会用于数组下标的计算，所以从0开始计数
for (; snakeLine < 2 * arraySize - 1 ; snakeLine ++ ) {
if (snakeLine < arraySize) // 左上半部分
{
if (snakeLine % 2 != 0 ) // 奇数斜行
{
for (row = snakeLine; row >= 0 ; row -- )
a[row][snakeLine - row] = number ++ ;
} else {
for (row = snakeLine; row >= 0 ; row -- )
a[snakeLine - row][row] = number ++ ;
}
} else { // 右下半部分
if (snakeLine % 2 != 0 ) {
for (row = arraySize - 1 ; row > snakeLine - arraySize; row -- )
a[row][snakeLine - row] = number ++ ;
} else {
for (row = arraySize - 1 ; row > snakeLine - arraySize; row -- )
a[snakeLine - row][row] = number ++ ;
}
}
}
System.out.println( " Result as follows：\n " );
for (row = 0 ; row < arraySize; row ++ ) {
for (number = 0 ; number < arraySize; number ++ ) { // number此处作为数组的下标使用
System.out.print(a[row][number] + " \t " );
}
System.out.println();
System.out.println();
}
}
}
![[蓝桥杯2015决赛]方格填数](https://ucc.alicdn.com/pic/developer-ecology/0f4e375909c14d94b704ca610fd7ea7b.png?x-oss-process=image/resize,h_160,m_lfit)