package main;

public class tester9 {

	public static void main(String[] args) {
		// get array
		int arr[][] = new int[10][10];
		for (int i = 0; i < arr.length; i += 1) {
			for (int j = 0; j < arr[i].length; j += 1) {
				arr[j][i] = 1;
			}
		}

		// create array0
		arr[0][0] = 0;
		arr[0][1] = 0;
		arr[1][0] = 0;
		arr[1][1] = 0;

		// print array
		for (int i = 0; i < arr.length; i += 1) {
			for (int j = 0; j < arr[i].length; j += 1) {
				System.out.print(arr[i][j] + " ");
			}
			System.out.println();
		}

		// check array0?
		System.out.println();
		System.out.println("max left-top Rectangle is: " + isArray0(arr));
	}

	// check row
	public static boolean isRow0(int arr[], int num) {
		for (int i = 0; i <= num; i += 1) {
			if (arr[i] != 0) {
				return false;
			}
		}

		return true;

	}

	// check column
	public static boolean isColumn0(int arr[][], int num) {

		for (int i = 0; i <= num; i += 1) {
			if (arr[num][i] != 0) {
				return false;
			}
		}

		return true;

	}

	//check array[][]
	public static int isArray0(int arr[][]) {
		int arrNum = 0;
		for (int i = 0; i < arr.length; i += 1) {
			if ((!(isRow0(arr[i], i))) || (!(isColumn0(arr, i)))) {
				arrNum = i;
				return arrNum;
			}
		}
		return arrNum;

	}
}