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๐Ÿ‘จ๐Ÿป‍๐Ÿ’ป PS/JAVA

[JAVA] ๋ฐฑ์ค€ 2522๋ฒˆ ใ€๋ณ„ ์ฐ๊ธฐ - 12ใ€‘

2022. 9. 2. 12:47


import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int N = scanner.nextInt();
        for(int i=1;i<=N;i++) {
            System.out.print(" ".repeat(N-i));
            System.out.print("*".repeat(i));
            System.out.println();
        }
        for(int i=1;i<=N-1;i++) {
            System.out.print(" ".repeat(i));
            System.out.print("*".repeat(N-i));
            System.out.println();
        }

    }
}

for ๋ฌธ์„ 2๋ฒˆ ์‚ฌ์šฉํ•˜์˜€๋‹ค.

 

๋ฌธ์ž์—ด.repeat(n) ๋ฉ”์„œ๋“œ๋ฅผ ์‚ฌ์šฉํ•˜์˜€๋Š”๋ฐ, ๋ฌธ์ž์—ด์„ n๋ฒˆ ๋งŒํผ ๋ฐ˜๋ณตํ•œ ๊ฐ’์„ ๋ฐ˜ํ™˜ํ•œ๋‹ค.

 

์ด๋ฅผ ํ™œ์šฉํ•˜์—ฌ N๋ฒˆ์งธ ์ค„๊นŒ์ง€๋Š”, i๋ฒˆ์งธ ์ค„์—์„œ " "์„ N-i๋ฒˆ ์ถœ๋ ฅ, "*"์„ i๋ฒˆ ์ถœ๋ ฅํ•˜๋„๋ก ํ–ˆ๊ณ 

 

๋‚จ์€ ์ค„์€ ์œ„์™€ ๋ฐ˜๋Œ€๋กœ N-1๋ฒˆ์งธ ์ค„ ๊นŒ์ง€ ์ถœ๋ ฅํ•˜๋ฉด๋˜๊ณ ,  " "์„ i ๋ฒˆ, "*"์„ N-i๋ฒˆ ์ถœ๋ ฅํ•˜๊ฒŒ ์„ค์ •ํ•˜๋ฉด ํ•ด๊ฒฐ๋œ๋‹ค.

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