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Array Problems

/ Array

ID	Question(s)	Status	Done
1	Search in a sorted 2D matrix
2	Grid Unique Paths \| Count paths from left-top to the right bottom of a matrix
3	Two Sum : Check if a pair with given sum exists in Array
4	Longest Consecutive Sequence in an Array
5	Length of the longest subarray with zero Sum
6	Length of Longest Substring without any Repeating Character
7	Count the number of subarrays with given xor K
8	Merge Overlapping Sub-intervals
9	Merge two Sorted Arrays Without Extra Space
10	Program to generate Pascal’s Triangle
11	Next_permutation : find next lexicographically greater permutation
12	Kadane’s Algorithm : Maximum Subarray Sum in an Array
13	Sort an array of 0s, 1s and 2s
14	Grid Unique Paths
15	Reverse Pairs
16	Pow(x,n) : Find X raised to the power N
17	4 Sum problem
18	Max consecutive Ones
19	Reverse Words in a String
20	Longest Palindrome in a string
21	Longest Common Prefix
22	Minimum characters needed to be inserted in the beginning to make it palindromic
23	Check for Anagrams