题解 | #反斜线图案#

public class Main{
    public static void main(String[] args){
        Scanner sc=new Scanner(System.in);
        while(sc.hasNext()){
            int n=sc.nextInt();
            for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
    if(i==j){
        System.out.print("*");
    }else{
        System.out.print(" ");
    }
}
                System.out.println(" ");
            }
        }
    }
}