public class array2D{
    public static void main(String[] args){
        int [][] array2D = {{1,3,2,7,3},{10,10,4,6,2},{5,3,5,9,6},{7,6,4,2,1}};
        int [] array1D = {1,3,2,7,3};
        int [][] arry2Df = {{1,1,5,3,4},{12,7,6,1,9},{8,11,10,2,5},{3,2,3,0,6}};
/*
        int total =0;
        for(int i = 0; i<array1D.length; i++){
            total += array1D[i];
        }
        System.out.println(total);
*/

/*
        int [] answer = new int[array2D.length];
        int sum = 0;
        for(int i = 0; i<array2D.length; i++){
            sum =0;
            for(int j = 0; j<array2D[i].length; j++){
                sum += array2D[i][j];
            }
           // System.out.println(sum);
            answer[i] = sum;
        }
       System.out.println(arraySum(array2D));
*/

/*
         sum = 0;
        for(int i = 0; i<array2D[1].length; i++){
            sum += array2D[1][i];
        }
        System.out.println(sum);
        */
        System.out.println(isDiverse(array2D));
        System.out.println(isDiverse(arry2Df));
    }
    public static int[] arraySum(int[][] array2D){
        int [] answer = new int[array2D.length];
        int sum = 0;
        for(int i = 0; i<array2D.length; i++){
            sum =0;
            for(int j = 0; j<array2D[i].length; j++){
                sum += array2D[i][j];
            }
           // System.out.println(sum);
            answer[i] = sum;
        }
        return answer;
    }

    public static boolean isDiverse(int[][] arr2D){
        int [] sums = new int[arr2D.length];

        sums = arraySum(arr2D);
        for(int i = 0; i < sums.length; i++){
            for(int j = i + 1; j < sums.length; j++){
                //System.out.println("Does sums i :" + sums[i] + " \tequal sums j: " + sums[j]);
                if(sums[i] == sums[j]){
                    return false;
                }
            }
        }
        return true;
    }
}