[숫자 배열]

Scanner sc = new Scanner(System.in);
 int n = sc.nextInt();
 int[][] array = new int[n][n];
 
 int num = 1;
	for(int i =0;i<array.length;i++) {
		if(i%2==0) {
			for(int j = 0; j<array[0].length;j++) {
				array[i][j] = num;
				num++;
			}
		} else {
			for(int j = array[0].length-1; j>=0;j--) {
				array[i][j] = num;
				num++;
			}
		}
		
	} for(int i = 0;i<array.length;i++) {
		for(int j = 0; j<array[0].length;j++) {
			System.out.print(array[j][i] + "\t");
		} System.out.println();
	}

 

 

 

 

Scanner sc = new Scanner(System.in);
 int n = sc.nextInt();
 int[][] array = new int[n][n];
 
 int num = 1;
	for(int i =0;i<array.length;i++) {
		if(i%2==0) {
			for(int j = 0; j<array[0].length;j++) {
				array[i][j] = num;
				num++;
			}
		} else {
			for(int j = array[0].length-1; j>=0;j--) {
				array[i][j] = num;
				num++;
			}
		}
		
	} for(int i = 0;i<array.length;i++) {
		for(int j = 0; j<array[0].length;j++) {
			System.out.print(array[i][j] + "\t");
		} System.out.println();
	}