Leetcode

#	Title	Solution	Runtime
1	Two Sum	C++
2	Add Two Numbers	C++	36 ms
3	Longest Substring Without Repeating Characters	C++	8 ms
5	Longest Palindromic Substring	C++	148 ms
11	Container With Most Water	C++	80 ms
18	4Sum	C++	64 ms
19	Remove Nth Node From End of List	C++	0 ms
21	Merge Two Sorted Lists	C++	8 ms
23	Merge k Sorted Lists	C++	32 ms
24	Swap Nodes in Pairs	C++	0 ms
25	Reverse Nodes in k-Group	C++	16 ms
31	Next Permutation	C++	4 ms
38	Count and Say	C++
61	Rotate List	C++	8 ms
71	Simplify Path	C++	0 ms
73	Set Matrix Zeroes	C++	48 ms
75	Sort Colors	C++	4 ms
82	Remove Duplicates from Sorted List II	C++	12 ms
83	Remove Duplicates from Sorted List	C++
86	Partition List	C++	8 ms
88	Merge Sorted Array	C++	4 ms
92	Reverse Linked List II	C++	8 ms
94	Binary Tree Inorder Traversal	C++	0 ms
101	Symmetric Tree	C++	8 ms
102	Binary Tree Level Order Traversal	C++	16 ms
103	Binary Tree Zigzag Level Order Traversal	C++	0 ms
104	Maximum Depth of Binary Tree	C++	12 ms
118	Pascal's Triangle	C++	0 ms
121	Best Time to Buy and Sell Stock	C++	112 ms
124	Binary Tree Maximum Path Sum	C++	40 ms
127	Word Ladder	C++	416 ms
128	Longest Consecutive Sequence	C++
129	Sum Root to Leaf Numbers	C++	0 ms
133	Clone Graph	C++	4 ms
136	Single Number	C++	28 ms
138	Copy List with Random Pointer	C++	0 ms
141	Linked List Cycle	C++
142	Linked List Cycle II	C++	12 ms
144	Binary Tree Preorder Traversal	C++	4 ms
145	Binary Tree Postorder Traversal	C++	0 ms
151	Reverse Words in a String	C++	4 ms
160	Intersection of Two Linked Lists	C++	40 ms
191	Number of 1 Bits	C++	0 ms
202	Happy Number	C++	0 ms
203	Remove Linked List Elements	C++	36 ms
206	Reverse Linked List	C++	8 ms
217	Contains Duplicate	C++	48 ms
219	Contains Duplicate II	C++	36 ms
222	Count Complete Tree Nodes	C++	40 ms
225	Implement Stack using Queues	C++	0 ms
230	Kth Smallest Element in a BST	C++	20 ms
232	Implement Queue using Stacks	C++
234	Palindrome Linked List	C++
236	Lowest Common Ancestor of a Binary Tree	C++	20 ms
237	Delete Node in a Linked List	C++	16 ms
240	Search a 2D Matrix II	C++	108 ms
284	Peeking Iterator	C++	0 ms
287	Find the Duplicate Number	C++	12 ms
328	Odd Even Linked List	C++	8 ms
344	Reverse String	C++	28 ms
430	Flatten a Multilevel Doubly Linked List	C++	4 ms
461	Hamming Distance	C++	0 ms
494	Target Sum	C++	8 ms
496	Next Greater Element I	C++	12 ms
501	Find Mode in Binary Search Tree	C++	28 ms
524	Longest Word in Dictionary through Deleting	C++	52 ms
526	Beautiful Arrangement	C++	4 ms
538	Convert BST to Greater Tree	C++	32 ms
543	Diameter of Binary Tree	C++	56 ms
559	Maximum Depth of N-ary Tree	C++	20 ms
581	Shortest Unsorted Continuous Subarray	C++	28 ms
594	Longest Harmonious Subsequence	C++	76 ms
599	Minimum Index Sum of Two Lists	C++
623	Add One Row to Tree	C++	24 ms
637	Average of Levels in Binary Tree	C++	20 ms
669	Trim a Binary Search Tree	C++	16 ms
695	Max Area of Island	C++	32 ms
697	Degree of an Array	C++	124 ms
714	Best Time to Buy and Sell Stock with Transaction Fee	C++	84 ms
728	Self Dividing Numbers	C++	0 ms
821	Shortest Distance to a Character	C++	0 ms
863	All Nodes Distance K in Binary Tree	C++	12 ms
865	Smallest Subtree with all the Deepest Nodes	C++	0 ms
876	Middle of the Linked List	C++	0 ms
881	Boats to Save People	C++	72 ms
896	Monotonic Array	C++	128 ms
897	Increasing Order Search Tree	C++	4 ms
930	Binary Subarrays With Sum	C++	116 ms
938	Range Sum of BST	C++	112 ms
946	Validate Stack Sequences	C++	8 ms
965	Univalued Binary Tree	C++	0 ms
987	Vertical Order Traversal of a Binary Tree	C++	4 ms
993	Cousins in Binary Tree	C++	4 ms
1022	Sum of Root To Leaf Binary Numbers	C++	8 ms
1071	Greatest Common Divisor of Strings	C++	4 ms
1137	N-th Tribonacci Number	C++	0 ms
1189	Maximum Number of Balloons	C++	4 ms
1207	Unique Number of Occurrences	C++	0 ms
1261	Find Elements in a Contaminated Binary Tree	C++	60 ms
1290	Convert Binary Number in a Linked List to Integer	C++	0 ms
1329	Sort the Matrix Diagonally	C++	8 ms
1342	Number of Steps to Reduce a Number to Zero	C++	0 ms
1351	Count Negative Numbers in a Sorted Matrix	C++	16 ms
1356	Sort Integers by The Number of 1 Bits	C++	4 ms
1379	Find a Corresponding Node of a Binary Tree in a Clone of That Tree	C++	740 ms
1437	Check If All 1's Are at Least Length K Places Away	C++	56 ms
1448	Count Good Nodes in Binary Tree	C++	172 ms
1486	XOR Operation in an Array	C++	0 ms
1512	Number of Good Pairs	C++	0 ms
1539	Kth Missing Positive Number	C++	8 ms
1609	Even Odd Tree	C++	348 ms
1631	Path With Minimum Effort	C++	236 ms
1640	Check Array Formation Through Concatenation	C++	8 ms
1641	Count Sorted Vowel Strings	C++	4 ms
1649	Create Sorted Array through Instructions	C++	568 ms
1657	Determine if Two Strings Are Close	C++	72 ms
1662	Check If Two String Arrays are Equivalent	C++	4 ms
1663	Smallest String With A Given Numeric Value	C++	36 ms
1679	Max Number of K-Sum Pairs	C++	364 ms
1680	Concatenation of Consecutive Binary Numbers	C++	88 ms
1688	Count of Matches in Tournament	C++	0 ms
1689	Partitioning Into Minimum Number Of Deci-Binary Numbers	C++	44 ms
1720	Decode XORed Array	C++	28 ms
1721	Swapping Nodes in a Linked List	C++	576 ms