Leetcode Solutions

Easy

#	Title	Solution	Difficulty
01	Two Sum	C++	Easy
14	Longest Common Prefix	C++	Easy
20	Valid Parentheses	C++	Easy
26	Remove Duplicates from Sorted Array	C++	Easy
27	Remove Element	C++	Easy
35	Search Insert Position	C++	Easy
66	Plus One	C++	Easy
88	Merge Sorted Array	C++	Easy
118	Pascal's Triangle	C++	Easy
125	Valid Palindrome	C++	Easy
217	Contains Duplicate	C++	Easy
242	Valid Anagram	C++	Easy
412	Fizz Buzz	C++	Easy
1752	Check if Array is Sorted and Rotated	C++	Easy
1790	Check if One String Swap can make Strings equal	C++	Easy
1800	Maximum Ascending Subarray Sum	C++	Easy
1929	Concatenation of Array	C++	Easy
3105	Longest Strictly Increasing or Strictly Decreasing Subarray	C++	Easy
3151	Special Array Ⅰ	C++	Easy
3174	Clear Digits	C++	Easy

Medium

#	Title	Solution	Difficulty
11	Container with Most Water	C++	Medium
15	3Sum	C++	Medium
22	Generate Parentheses	C++	Medium
36	Valid Sudoku	C++	Medium
49	Group Anagrams	C++	Medium
128	Longest Consecutive Sequence	C++	Medium
150	Evaluate Reverse Polish Notation	C++	Medium
155	Min Stack	C++	Medium
167	Two Sum Ⅱ - Input Array is Sorted	C++	Medium
238	Product of Array Except Selft	C++	Medium
347	Top K Frequent Elements	C++	Medium
670	Maximum Swap	C++	Medium
889	Construct Binary Tree from Preorder and Postorder traversal	C++	Medium
1079	Letter Tile Possibilities	C++	Medium
1261	Find Elements in a Contaminated Binary Tree	C++	Medium
1352	Product of the Last K Numbers	C++	Medium
1415	The k-th Lexicographical String of all Happy Strings of Length n	C++	Medium
1545	Find kth Bit in Nth Binary String	C++	Medium
1718	Construct the Lexicographically Largest Valid Sequence	C++	Medium
1726	Tuple with Same Product	C++	Medium
1910	Remove All Occurances of a Substring	C++	Medium
1980	Find Unique Binary String	C++	Medium
2044	Count Number of Maximum Bitwise-OR Subsets	C++	Medium
2342	Max Sum of a Pair With Equal Sum of Digits	C++	Medium
2349	Design a Number Container System	C++	Medium
2364	Count Number of Bad Pairs	C++	Medium
2375	Construct Smallest Number From DI String	C++	Medium
2698	Find the Punishment Number of an Integer	C++	Medium
3066	Minimum Operations to Exceed Threshold Value Ⅱ	C++	Medium
3160	Find the Number of Distinct Colors among the Balls	C++	Medium

Hard

#	Title	Solution	Difficulty
42	Trapping Rain Water	C++	Hard
1028	Recover a Tree from Preorder Traversal	C++	Hard