Leetcode #1 Search Algorithm for Sorted Array
Leetcode #2 Peak Index in a Mountain Array
Leetcode #3 Two Sum II - Input array is sorted
Leetcode #4 Reverse Integer
Leetcode #5 Remove Duplicates from an Array
Leetcode #6 Middle of Linked List
Leetcode #7 Additive Persistence
Leetcode #8 Multiplicative Persistence
Leetcode #9 Palindrome Integer
Leetcode #10 Roll number generator
Leetcode #11 Roman number to integer
Leetcode #12 Permutations