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Print Diagonals of Square Matrix

Jan 3rd, 2023
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Java 1.06 KB | None | 0 0
  1. package MultidimensionalArrays;
  2.  
  3. import java.util.Arrays;
  4. import java.util.Scanner;
  5.  
  6. public class PrintDiagonalsOfSquareMatrix {
  7.     public static void main(String[] args) {
  8.         Scanner scanner = new Scanner(System.in);
  9.  
  10.         int size = Integer.parseInt(scanner.nextLine());
  11.  
  12.         int[][] matrix = new int[size][size];
  13.  
  14.         for (int i = 0; i < matrix.length; i++) {
  15.             matrix[i] = Arrays
  16.                     .stream(scanner.nextLine().split(" "))
  17.                     .mapToInt(Integer::parseInt)
  18.                     .toArray();
  19.         }
  20.        
  21.         int row = 0;
  22.         int col = 0;
  23.        
  24.         while (row < matrix.length && col < matrix[row].length) {
  25.  
  26.             System.out.printf(matrix[row][col] + " ");
  27.             row++;
  28.             col++;
  29.         }
  30.        
  31.         System.out.println();
  32.  
  33.         row = matrix.length - 1;
  34.         col = 0;
  35.  
  36.         while (row >= 0 && col < matrix[row].length) {
  37.             System.out.print(matrix[row][col] + " ");
  38.             row--;
  39.             col++;
  40.         }
  41.     }
  42. }
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