* 3 Sum : Find triplets that add up to a zero Problem Statement: Given an array of N integers, your task is to find unique triplets that add up to give a sum of zero. In short, you need to return an ...

Given an m x n integer matrix matrix, if an element is 0, set its entire row and column to 0's, and return the matrix. You must do it in place. 1) Create two temporary arrays row[M] and col[N].