Sunflowers

// CCC 2018 J4/S2 - Sunflowers

public class Sunflower {
    public static int[][] rotate(int[][] grid, int deg, int num) { // num: length of the 2d array
        int[][] result = new int[num][num];
        for (int i = 0; i < num; i++) {
            for (int j = 0; j < num; j++) {
                if (deg == 90) {
                    result[i][j] = grid[num - j - 1][i];
                } else if (deg == 180) {
                    result[i][j] = grid[num - i - 1][num - j - 1];
                } else if (deg == 270) {
                    result[i][j] = grid[j][num - i - 1];
                }
            }
        }
        return result;
    }

    public static void main(String[] args) {
        int[][] arr = {{4, 3, 1}, {6, 5, 2}, {9, 7 ,3}}; // change the array as you like to test it out
        // remember to make sure that it has a valid answer though!
        int min = arr[0][0];
        int deg = 0;
        if (min > arr[0][arr.length - 1]) {
            min = arr[0][arr.length - 1];
            deg = 270;
        }
        if (min > arr[arr.length - 1][arr.length - 1]) {
            min = arr[arr.length - 1][arr.length - 1];
            deg = 180;
        }
        if (min > arr[arr.length - 1][0]) {
            min = arr[arr.length - 1][0];
            deg = 90;
        }
        int[][] result;
        result = rotate(arr, deg, arr.length);
        for (int[] row : result) {
            for (int n : row) {
                System.out.print(n + " ");
            }
            System.out.println();
        }
    }
}