Android Developer

Make a simple waster app. Given a mock server and some icons

You have been given an array/list 'ARR' consisting of 'N' integers. Your task is to find the majority element in the array. If there is no majority element present, print -1.

Note:

A majority element is an element that occurs more than floor('N' / 2) times in the array.

You are given a 2D matrix 'ARR' (containing either ‘0’ or ‘1’) of size 'N' x 'M', where each row is in sorted order.

Find the 0-based index of the first row with the maximum number of 1's.

Note :

If two rows have the same number of 1’s, return the row with a lower index.

If no row exists where at-least one '1' is present, return -1.

Example:

Input: ‘N’ = 3, 'M' = 3
'ARR' = 
[     [ 1,  1,  1 ],
      [ 0,  0,  1 ],
      [ 0,  0,  0 ]   ]

Output: 0

Explanation: The 0th row of the given matrix has the maximum number of ones.

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