Remove Duplicate from Sorted array (C++)
Question : You are given an array which is sorted , Your task is to remove the duplicate elements and […]
Two Pointers
Search in a 2D Matrix (C++)
Question : You are given a 2D matrix of mxn ; your task is to find if the given number […]
Merge two sorted Arrays (take O(1) space)
Two arrays are given. The elements of these arrays are sorted . Your task is to merge those arrays in […]
How to Sort an array of 0’s 1’s 2’s C++ Program
Question : An array is given with 0’s ,1’s and 2’s .Without using any extra space and sorting algorithm put […]