#18 JAVA 달팽이 배열 해보기

정답공개 !!

package hihihi;

import java.util.Arrays;
import java.util.Random;
import java.util.Scanner;

public class first {
	public static void main(String[] args) {
		
		int[][] array = new int[5][5];
		
		int x = 0;//행
		int y = -1;//열
		int number = 1; //넣을값
		int swich = 1; //스위치
		int how = 5; //반복횟수
		
		
		while(true) {
			
			for(int i=0;i<how;i++) {
				y+= swich;
				array[x][y] = number++; //00 01 02 03 04
			}
			//x = 0 y = 4
			how --;
			
			if(how==0) {
				break;
			}
			
			for(int i=0;i<how;i++) {
				x+= swich;
				array[x][y] = number++; //14 24 34 44
			}
			
			swich = swich*-1; //음수로 바꿔줌

		}
		
		for(int i=0;i<array.length;i++) {
			for(int j=0;j<array[i].length;j++) {
				System.out.print(array[i][j]+"\t");
			}
			System.out.println();
		}
		
	}
}

 

감사합니다.