Daily-Coding-Problem

Solving 1 interview coding problem everyday

S.no	Problem	Solution
1	Find if there is a pair with target sum in an array	HasTargetSumPair.java
2	Return an array with each element as product of all elements except self	ProductOfAllExceptSelf.java
3	Get lowest positive integer not present in array	LowestPositiveIntegerNotInArray.java
4	Find number of ways to climb a staircase	ClimbStaircase.java
5	Find longest substring with atmost k unique characters	LongestSubstringWithKDistinct.java
6	Find Minimum Rooms Required	FindMinimumRoomsRequired.java
7	Invert A Binary Tree	InvertBinaryTree.java
8	Binary Tree Boustrophedon Order	BinaryTreeBoustrophedonOrder.java
9	Sentence Checker	SentenceChecker.java
10	Get Alternating Linked List Order	GetAlternatingLinkedListOrder.java
11	Serialize & Deserialize A Binary Tree	SerializeDeserializeTree.java
12	Find first missing positive integer	FindFirstMissingPositiveInteger.java
13	Longest Substring Without Repeating Characters	LongestSubstringWithoutRepeatingCharacter.java
14	Longest Palindromic Substring	LongestPalindromicSubstring.java
15	Validate Balanced Parentheses	ValidateBalancedParentheses.java
16	First and Last Indices of an Element in a Sorted Array	FirstAndLastIndexOfElementInSortedArray.java