NYOJ题目836画图

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AC代码：

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        
        Scanner sc=new Scanner(System.in);
        
        int times=sc.nextInt();
        
        while(times-->0){
            int n=sc.nextInt();
            for(int i=n;i>0;i--){
                System.out.println(repeate("*",i));
            }
        }
    }
    
    public static String repeate(String s,int times){
        StringBuilder sb=new StringBuilder(s.length()*times);
        while(times-->0) sb.append(s);
        return sb.toString();
    }
    
}

 

题目来源： http://acm.nyist.net/JudgeOnline/problem.php?pid=836