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数组实现矩阵逐层向内层加1
package java1701;
public class javaMain {
public static void main(String[] args) {
// 逐层加
// 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
// 1 2 2 2 2 1 1 2 2 2 1 1 2 2 1 1 2 1
// 1 2 3 3 2 1 1 2 3 2 1 1 2 2 1 1 1 1
// 1 2 3 3 2 1 1 2 2 2 1 1 1 1 1
// 1 2 2 2 2 1 1 1 1 1 1
// 1 1 1 1 1 1
show();
}
public static void show() {
int w = 11;//图形宽度
int[][] arr = new int[w][w];
for (int ceng = 1; ceng <= (w + 1) / 2; ceng++) {
doWork(ceng, w ,arr);//i是数字层数及数字
}
//打印数组
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();
}
}
public static void doWork(int ceng, int width,int[][] arr) {
for (int i = ceng-1; i < width-ceng+1; i++) {
for (int j = ceng-1; j < width-ceng+1; j++) {
arr[i][j]=ceng;
}
}
}
}
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数组实现矩阵逐层向内层加1