8-蓝桥杯-基础练习-字母图形-java

没啥技巧，就是找找规律

import java.util.Scanner;

public class Main {
    
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        String[][] arr=new String[a][b];
        for(int i=0;i<a;i++){
            for(int j=0;j<b;j++){
                if(j==0)
                    arr[i][j]=String.valueOf((char)(j+i+65));
                else if(i<j)
                    arr[i][j]=String.valueOf((char)(j-i+65));
                else
                    arr[i][j]=String.valueOf((char)(i-j+65));
            }
        }
        for(int i=0;i<a;i++){
            for(int j=0;j<b;j++){
                System.out.print(arr[i][j]);
            }
            System.out.println();
        }
    
    }
}