| 65 | } |
| 66 | |
| 67 | public static void main(String[] args) { |
| 68 | Scanner sc = new Scanner(System.in); |
| 69 | System.out.println("Enter number of rows and columns of matrix"); |
| 70 | int r = sc.nextInt(); |
| 71 | int c = sc.nextInt(); |
| 72 | int[][] matrix = new int[r][c]; |
| 73 | int totalElements = r * c; |
| 74 | System.out.println("Enter " + totalElements + " values"); |
| 75 | for (int i = 0; i < r; i++) { |
| 76 | for (int j = 0; j < c; j++) { |
| 77 | matrix[i][j] = sc.nextInt(); |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | System.out.println("Enter rectangle boundaries l1, r1, l2, r2"); |
| 82 | int l1 = sc.nextInt(); |
| 83 | int r1 = sc.nextInt(); |
| 84 | int l2 = sc.nextInt(); |
| 85 | int r2 = sc.nextInt(); |
| 86 | |
| 87 | System.out.println("Rectangle Sum " + findSum(matrix, l1, r1, l2, r2)); |
| 88 | System.out.println("Rectangle Sum " + findSum3(matrix, l1, r1, l2, r2)); |
| 89 | } |
| 90 | } |