Leetcode

This is a repository for my solutions to Leetcode problems written in C, C++, Python and SQL. Leetcode profile: mlsh

75

#	Title	Difficulty	Langs	Docs	Passed
1	Merge Strings Alternately	Easy	C	Doxygen	✔️
2	Greatest Common Divisor of Strings	Easy	C	Doxygen	✔️
3	Kids With the Greatest Number of Candies	Easy	C	Doxygen	✔️
4	Reverse Words in a String	Medium	C	Doxygen	✔️
5	Move Zeroes	Easy	C++	Doxygen	✔️
6	Is Subsequence	Medium	C	Doxygen	✔️
7	Container With Most Water	Medium	C	Doxygen	✔️
8	Find Pivot Index	Easy	C++	Doxygen	✔️
9	Unique Number of Occurrences	Easy	C++	Doxygen	✔️
10	Removing Stars From a String	Easy	C++	Doxygen	✔️
11	Decode String	Medium	C++	Doxygen	✔️
12	Number of Recent Calls	Easy	C++	Doxygen	✔️
13	Delete the Middle Node of a Linked List	Medium	C++	Doxygen	✔️
14	Odd Even Linked List	Medium	C++	Doxygen	✔️
15	Reverse Linked List	Easy	C++	Doxygen	✔️
16	Maximum Level Sum of a Binary Tree	Medium	C++	Doxygen	✔️
17	Kth Largest Element in an Array	Medium	C++	Doxygen	✔️
18	Guess Number Higher or Lower	Easy	C++	Doxygen	✔️
19	N-th Tribonacci Number	Easy	C++	Doxygen	✔️
20	Longest Common Subsequence	Medium	C++	Doxygen	✔️
21	Counting Bits	Easy	C++	Doxygen	✔️
22	Daily Temperatures	Medium	C++	Doxygen	✔️

SQL 50

#	Title	Difficulty	Langs	Docs	Passed
1	Recyclable and Low Fat Products	Easy	SQL	➖	✔️
2	Find Customer Referee	Easy	SQL	➖	✔️

All Problems

#	Title	Difficulty	Langs	Docs	Passed
1	Count of Range Sum	Hard	C++	Doxygen	✔️
2	Subarray Product Less Than K	Medium	C	Doxygen	✔️
3	Reverse Integer	Medium	C	Doxygen	✔️
4	Merge Strings Alternately	Easy	C	Doxygen	✔️
5	Greatest Common Divisor of Strings	Easy	C	Doxygen	✔️
6	All Ancestors of a Node in a Directed Acyclic Graph	Medium	C++	Doxygen	✔️
7	Kids With the Greatest Number of Candies	Easy	C	Doxygen	✔️
8	Reverse Words in a String	Medium	C	Doxygen	✔️
9	Intersection of Two Arrays II	Easy	C	Doxygen	✔️
10	Water Bottles	Easy	C	Doxygen	✔️
11	Wildcard Matching	Hard	C	Doxygen	✔️
12	Maximum Level Sum of a Binary Tree	Medium	C++	Doxygen	✔️
13	Maximum Number of Integers to Choose From a Range I	Medium	C++	Doxygen	✔️
14	Remove Duplicates from Sorted Array II	Medium	C++	Doxygen	✔️
15	Integer to Roman	Medium	C++	Doxygen	✔️
16	Valid Palindrome	Easy	C++	Doxygen	✔️
17	Reverse Linked List	Easy	C++	Doxygen	✔️
18	Basic Calculator	Hard	C++	Doxygen	✔️
19	Valid Anagram	Easy	C++	Doxygen	✔️
20	Sort List	Medium	C++	Doxygen	✔️
21	Palindrome Linked List	Easy	C++	Doxygen	✔️
22	Linked List Random Node	Medium	C++	Doxygen	✔️
23	H-Index	Medium	C++	Doxygen	✔️
24	Container With Most Water	Medium	C++	Doxygen	✔️
25	Two Sum	Medium	C++	Doxygen	✔️
26	3Sum	Medium	C++	Doxygen	✔️
27	Best Time to Buy and Sell Stock	Easy	C++	Doxygen	✔️
28	Binary Tree Preorder Traversal	Easy	C++	Doxygen	✔️
29	Climbing Stairs	Easy	C++	Doxygen	✔️
30	Binary Tree Level Order Traversal	Medium	C++	Doxygen	✔️
31	Binary Tree Inorder Traversal	Easy	C++	Doxygen	✔️
32	Binary Tree Postorder Traversal	Easy	C++	Doxygen	✔️
33	Binary Search Tree Iterator	Medium	C++	Doxygen	✔️
34	Validate Binary Search Tree	Medium	C++	Doxygen	✔️
35	Trapping Rain Water	Hard	C++	Doxygen	✔️
36	Word Break	Medium	C++	Doxygen	✔️
37	Sum of Digits of String After Convert	Easy	C++	Doxygen	✔️
38	Best Time to Buy and Sell Stock II	Medium	C++	Doxygen	✔️
39	Design HashMap	Easy	C++	Doxygen	✔️
40	Add Sum of Digits in Base K	Easy	C++	Doxygen	✔️
41	Add digits	Easy	C++	Doxygen	✔️
42	Continuous Subarrays	Medium	C++	Doxygen	✔️
43	Find Median from Data Stream	Hard	C++	Doxygen	✔️
44	Minimum Size Subarray Sum	Medium	C++	Doxygen	✔️
45	Rotate Image	Medium	C++	Doxygen	✔️
46	Spiral Matrix	Medium	C++	Doxygen	✔️
47	Spiral Matrix II	Medium	C++	Doxygen	✔️
48	Counting Words With a Given Prefix	Easy	C++	Doxygen	✔️
49	Circular Array Loop	Medium	C++	Doxygen	✔️
50	Number of Recent Calls	Easy	C++	Doxygen	✔️
51	Clone Graph	Medium	C++	Doxygen	✔️
52	Decode String	Medium	C++	Doxygen	✔️
53	Counting Bits	Easy	C++	Doxygen	✔️
54	Course Schedule	Medium	C++	Doxygen	✔️
55	Daily Temperatures	Medium	C++	Doxygen	✔️
56	First Letter to Appear Twice	Easy	C++	Doxygen	✔️
57	Guess Number Higher or Lower	Easy	C++	Doxygen	✔️
58	Linked List Cycle	Easy	C++	Doxygen	✔️
59	Longest Common Subsequence	Medium	C++	Doxygen	✔️
60	Merge Two Sorted Lists	Easy	C++	Doxygen	✔️
61	N-th Tribonacci Number	Easy	C++	Doxygen	✔️
62	Search in Rotated Sorted Array	Medium	C++	Doxygen	✔️
63	Unique Number of Occurrences	Easy	C++	Doxygen	✔️
64	Word Subsets	Medium	C++	Doxygen	✔️
65	Find the Prefix Common Array of Two Arrays	Medium	C++	Doxygen	✔️
66	Odd Even Linked List	Medium	C++	Doxygen	✔️
67	Delete the Middle Node of a Linked List	Medium	C++	Doxygen	✔️
68	Merge k Sorted Lists	Hard	C++	Doxygen	✔️
69	Group Anagrams	Medium	C++	Doxygen	✔️
70	Kth Largest Element in an Array	Medium	C++	Doxygen	✔️
71	Minimize XOR	Medium	C++	Doxygen	✔️
72	Valid Parentheses	Easy	C++	Doxygen	✔️
73	Remove Nth Node From End of List	Medium	C++	Doxygen	✔️
74	Simplified Fractions	Medium	C++	Doxygen	✔️
75	Top K Frequent Elements	Medium	C++	Doxygen	✔️
76	Minimum Cost to Make at Least One Valid Path in a Grid	Hard	C++	Doxygen	✔️
77	Invert Binary Tree	Easy	C++	Doxygen	✔️
78	Encode and Decode String	Medium	C++	Doxygen	✔️
79	Contains Duplicate	Easy	C++	Doxygen	✔️
80	Find Minimum in Rotated Sorted Array	Medium	C++	Doxygen	✔️
81	First Completely Painted Row or Column	Medium	C++	Doxygen	✔️
82	Grid Game	Medium	C++	Doxygen	✔️
83	Map of Highest Peak	Medium	C++	Doxygen	✔️
84	Move Zeroes	Easy	C++	Doxygen	✔️
85	Count Servers that Communicate	Medium	C++	Doxygen	✔️
86	Find Eventual Safe States	Medium	C++	Doxygen	✔️
87	Make Lexicographically Smallest Array by Swapping Elements	Medium	C++	Doxygen	✔️
88	Course Schedule IV	Medium	C++	Doxygen	✔️
89	Binary Search	Easy	C++	Doxygen	✔️
90	Maximum Count of Positive Integer and Negative Integer	Easy	C++	Doxygen	✔️
91	Maximum Ascending Subarray Sum	Easy	C++	Doxygen	✔️
92	Removing Stars From a String	Easy	C++	Doxygen	✔️
93	Check if One String Swap Can Make Strings Equal	Easy	C++	Doxygen	✔️
94	Tuple with Same Product	Medium	C++	Doxygen	✔️
95	Find the Number of Distinct Colors Among the Balls	Medium	C++	Doxygen	✔️
96	Design a Number Container System	Medium	C++	Doxygen	✔️
97	Is Subsequence	Medium	C	Doxygen	✔️
98	Reorder List	Medium	C++	Doxygen	✔️
99	The k-th Lexicographical String of All Happy Strings of Length n	Medium	C++	Doxygen	✔️
100	Nearest Exit from Entrance in Maze	Medium	C++	Doxygen	✔️
101	Find Unique Binary String	Medium	C++	Doxygen	✔️
102	Maximum Depth of Binary Tree	Easy	C++	Doxygen	✔️
103	Find Elements in a Contaminated Binary Tree	Medium	C++	Doxygen	✔️
104	Same Tree	Easy	C++	Doxygen	✔️
105	Recover a Tree From Preorder Traversal	Hard	C++	Doxygen	✔️
106	Maximum Subarray	Medium	C++	Doxygen	✔️
107	Maximum Absolute Sum of Any Subarray	Medium	C++	Doxygen	✔️
108	Graph Valid Tree	Medium	C++	Doxygen	✔️
109	Merge Two 2D Arrays by Summing Values	Easy	C++	Doxygen	✔️
110	Min Stack	Medium	C++	Doxygen	✔️
111	Lowest Common Ancestor of a Binary Search Tree	Medium	C++	Doxygen	✔️
112	Implement Trie (Prefix Tree)	Medium	C++	Doxygen	✔️
113	Reverse Nodes in k-Group	Hard	C++	Doxygen	✔️
114	Partition Array According to Given Pivot	Medium	C++	Doxygen	✔️
115	Check if Number is a Sum of Powers of Three	Medium	C++	Doxygen	✔️
116	Count Total Number of Colored Cells	Medium	C++	Doxygen	✔️
117	Find Missing and Repeated Values	Easy	C++	Doxygen	✔️
118	Search a 2D Matrix	Medium	C	Doxygen	✔️
119	Lowest Common Ancestor of Deepest Leaves	Medium	C++	Doxygen	✔️
120	Type of Triangle	Easy	Python	MkDocs	✔️
121	Find the Index of the First Occurrence in a String	Easy	Python	MkDocs	✔️

License

This project is licensed under the MIT License - see the LICENSE file for details.