Java_Programs/UshapedLayersMatrix.java at main · prittoruban/Java_Programs · GitHub

33 lines (31 loc) · 1.11 KB

import java.util.Scanner;

public class UshapedLayersMatrix {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

int R = scanner.nextInt();

int C = scanner.nextInt();

int[][] matrix = new int[R][C];

for (int i = 0; i < R; i++) {

for (int j = 0; j < C; j++) {

matrix[i][j] = scanner.nextInt();

}

printULayers(matrix, R, C);

}

private static void printULayers(int[][] matrix, int R, int C) {

int top = 0, bottom = R - 1, left = 0, right = C - 1;

while (left < right && bottom >= 0) {

for (int i = top; i <= bottom; i++) {

System.out.print(matrix[i][left] + " ");

}

for (int i = left + 1; i <= right; i++) {

System.out.print(matrix[bottom][i] + " ");

}

for (int i = bottom - 1; i > top; i--) {

System.out.print(matrix[i][right] + " ");

}

System.out.println();

bottom--; left++; right++;

}

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