Merge Overlapping Subintervals
Question : You will be given a collection of intervals. Now you need to merge all the intervals. Input: intervals […]
Sorting
3 Sum Problem (C++)
Question : You are given an array . You need to return all the unique triplets which sums to zero […]
Search Element In a Rotated Sorted Array (C++)
Question : You are given an integer array .The given array is sorted but it is rotated . For example […]
Remove Duplicate from Sorted array (C++)
Question : You are given an array which is sorted , Your task is to remove the duplicate elements and […]
Find the Duplicate Number
Question : You are given an array . The array contains integer from 1 to n .The array contains n+1 […]
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 […]