Name	Name	Last commit message	Last commit date
Latest commit History 170 Commits
C++	C++
Java	Java
LICENSE	LICENSE
README.md	README.md

LeetCode Solutions

Algorithms

Explained Solutions

#	Title	Explanation	Complexity	Difficulty
9	Palindrome Number	Explained Solution	Time - O(log₁₀(n)) Space - O(1)	Easy
50	Pow(x, n)	Explained Solution	Time - O(log₂(n)) Space - O(1)	Medium
191	Number of 1 Bits	Explained Solution	Time - O(1) Space - O(1)	Easy
1431	Kids With the Greatest Number of Candies	Commented Solution	Time - O(n) Space - O(n)	Easy
1470	Shuffle The Array	Explained Solution	Time - O(n) Space - O(1)	Easy
2129	Capitalize the Title	Explained Solution	Time - O(n) Space - O(1)	Easy

Math

#	Title	Solution	Complexity	Difficulty
7	Reverse Integer	C++ Java	Time - O(log₁₀(n)) Space - O(1)	Medium
9	Palindrome Number	C++ Java	Time - O(log₁₀(n)) Space - O(1)	Easy
50	Pow(x, n)	Java	Time - O(log₂(n)) Space - O(1)	Medium
172	Factorial Trailing Zeroes	C++ Java	Time - O(log₅(n)) Space - O(1)	Medium
231	Power Of Two	C++ Java	Time - O(1) Space - O(1)	Easy
263	Ugly Number	C++ Java	Time - O(log₂(n)) Space - O(1)	Easy
1137	N-th Tribonacci Number	C++ Java	Time - O(n) Space - O(1)	Easy
1281	Subtract the Product and Sum of Digits of an Integer	C++ Java	Time - O(n) Space - O(1)	Easy
1342	Number of Steps to Reduce a Number to Zero	C++ Java	Time - O(log₂(n)) Space - O(1)	Easy
1551	Minimum Operations to Make Array Equal	C++ Java	Time - O(1) Space - O(1)	Medium
1688	Count of Matches in Tournament	C++ Java	Time - O(1) Space - O(1)	Easy

Bit Manipulation

#	Title	Solution	Complexity	Difficulty
191	Number of 1 Bits	C++ Java	Time - O(1) Space - O(1)	Easy
231	Power Of Two	C++ Java	Time - O(1) Space - O(1)	Easy
476	Number Complement	C++ Java	Time - O(log₂(n)) Space - O(1)	Easy
1720	Decode XORed Array	C++ Java	Time - O(n) Space - O(1)	Easy

Array

#	Title	Solution	Complexity	Difficulty
1	Two Sum	Java	Time - O(n) Space - O(n)	Easy
80	Remove Duplicates from Sorted Array II	C++ Java	Time - O(n) Space - O(1)	Medium
136	Single Number	C++ Java	Time - O(n) Space - O(1)	Easy
162	Find Peak Element	C++ Java	Time - O(log₂(n)) Space - O(1)	Medium
500	Keyboard Row	Java	Time - O(N) Space - O(n)	Easy
848	Shifting Letters	C++ Java	Time - O(n) Space - O(1)	Medium
1207	Unique Number of Occurrences	Java	Time - O(n) Space - O(n)	Easy
1295	Find Numbers with Even Number of Digits	C++ Java	Time - O(n) Space - O(1)	Easy
1365	How Many Numbers Are Smaller Than the Current Number	C++ Java	Time - O(n + m) Space - O(m)	Easy
1431	Kids With the Greatest Number of Candies	C++ Java	Time - O(n) Space - O(n)	Easy
1470	Shuffle The Array	C++ Java	Time - O(n) Space - O(1)	Easy
1480	Running Sum of 1d Array	C++ Java	Time - O(n) Space - O(1)	Easy
1512	Number of Good Pairs	C++ Java	Time - O(n) Space - O(n)	Easy
1550	Three Consecutive Odds	C++ Java	Time - O(n) Space - O(1)	Easy
1646	Get Maximum in Generated Array	C++ Java	Time - O(n) Space - O(n)	Easy
1662	Check If Two String Arrays are Equivalent	C++ Java	Time - O(n) Space - O(1)	Easy
1672	Richest Customer Wealth	C++ Java	Time - *O(m n) Space - O(1)**	Easy
1720	Decode XORed Array	C++ Java	Time - O(n) Space - O(1)	Easy
1748	Sum of Unique Elements	C++ Java	Time - O(n) Space - O(m)	Easy
1909	Remove One Element to Make the Array Strictly Increasing	C++ Java	Time - O(n) Space - O(1)	Easy
1929	Concatenation of Array	C++ Java	Time - O(n) Space - O(1)	Easy
1980	Find Unique Binary String	C++ Java	Time - O(n) Space - O(1)	Medium
2006	Count Number of Pairs With Absolute Difference K	C++ Java	Time - O(n + m) Space - O(m)	Easy
2011	Final Value of Variable After Performing Operations	C++ Java	Time - O(n) Space - O(m)	Easy
2023	Number of Pairs of Strings With Concatenation Equal to Target	Java	Time - *O(n m) Space - O(n)**	Easy
2078	Two Furthest Houses With Different Colors	C++Java	Time - O(n) Space - O(1)	Easy
2114	Maximum Number of Words Found in Sentences	C++Java	Time - *O(n m) Space - O(1)**	Easy
1094	Car Pooling	C++Java	Time - O(n) Space - O(n)	Medium

String

#	Title	Solution	Complexity	Difficulty
49	Group Anagrams	Java	Time - *O(n m) Space - O(n)**	Medium
125	Valid Palindrome	C++ Java	Time - O(n) Space - O(1)	Easy
151	Reverse Words in a String	Java	Time - *O(n m) Space - O(n)**	Medium
344	Reverse String	C++ Java	Time - O(n) Space - O(1)	Easy
500	Keyboard Row	Java	Time - O(n) Space - O(n)	Easy
796	Rotate String	C++ Java	Time - *O(m n) Space - O(1)**	Easy
848	Shifting Letters	C++ Java	Time - O(n) Space - O(1)	Medium
1446	Consecutive Characters	C++ Java	Time - O(n) Space - O(1)	Easy
1461	Check If a String Contains All Binary Codes of Size K	Java	Time - O(n) Space - O(2^k)	Medium
1528	Shuffle String	C++ Java	Time - O(n) Space - O(1)	Easy
1544	Make The String Great	C++ Java	Time - O(n) Space - O(1)	Easy
1662	Check If Two String Arrays are Equivalent	C++ Java	Time - O(n) Space - O(1)	Easy
1678	Goal Parser Interpretation	C++ Java	Time - O(n) Space - O(1)	Easy
1790	Check if One String Swap Can Make Strings Equal	C++ Java	Time - O(n) Space - O(1)	Easy
1796	Second Largest Digit in a String	C++ Java	Time - O(n) Space - O(1)	Easy
1816	Truncate Sentence	C++ Java	Time - O(n) Space - O(1)	Easy
1844	Replace All Digits with Characters	C++ Java	Time - O(n) Space - O(1)	Easy
1945	Sum of Digits of String After Convert	C++ Java	Time - O(n) Space - O(1)	Easy
1941	Check if All Characters Have Equal Number of Occurrences	C++ Java	Time - O(n) Space - O(1)	Easy
2000	Reverse Prefix of Word	C++ Java	Time - O(n) Space - O(1)	Easy
2042	Check if Numbers Are Ascending in a Sentence	C++ Java	Time - O(n) Space - O(1)	Easy
2103	Rings and Rods	C++ Java	Time - O(n) Space - O(1)	Easy
1456	Maximum Number of Vowels in a Substring of Given Length	C++ Java	Time - O(n) Space - O(1)	Medium
2068	Check Whether Two Strings are Almost Equivalent	C++ Java	Time - O(n) Space - O(1)	Easy
2124	Check if All A's Appears Before All B's	C++ Java	Time - O(n) Space - O(1)	Easy
2129	Capitalize the Title	Explanation C++ Java	Time - O(n) Space - O(1)	Easy

Matrix

#	Title	Solution	Complexity	Difficulty
1572	Matrix Diagonal Sum	C++ Java	Time - O(n) Space - O(1)	Easy
1672	Richest Customer Wealth	C++ Java	Time - *O(m n) Space - O(1)**	Easy

Hash Table

#	Title	Solution	Complexity	Difficulty
1	Two Sum	Java	Time - O(n) Space - O(n)	Easy
49	Group Anagrams	Java	Time - *O(n m) Space - O(n)**	Medium
500	Keyboard Row	Java	Time - O(n) Space - O(n)	Easy
1207	Unique Number of Occurrences	Java	Time - O(n) Space - O(n)	Easy
1365	How Many Numbers Are Smaller Than the Current Number	C++ Java	Time - O(n + m) Space - O(m)	Easy
2053	Kth Distinct String in an Array	Java	Time - O(n) Space - O(n)	Easy
2085	Count Common Words With One Occurrence	Java	Time - O(n + m) Space - O(n)	Easy

Binary Search

#	Title	Solution	Complexity	Difficulty
162	Find Peak Element	C++ Java	Time - O(log₂(n)) Space - O(1)	Medium

Sorting

#	Title	Solution	Complexity	Difficulty
1365	How Many Numbers Are Smaller Than the Current Number	C++ Java	Time - O(n + m) Space - O(m)	Easy

Two Pointers

#	Title	Solution	Complexity	Difficulty
80	Remove Duplicates from Sorted Array II	C++ Java	Time - O(n) Space - O(1)	Medium

Dynamic Programming

#	Title	Solution	Complexity	Difficulty
264	Ugly Number II	C++ Java	Time - O(n) Space - O(n)	Medium
1137	N-th Tribonacci Number	C++ Java	Time - O(n) Space - O(1)	Easy
1646	Get Maximum in Generated Array	C++ Java	Time - O(n) Space - O(n)	Easy

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Repository files navigation

LeetCode Solutions

Algorithms

Explained Solutions

Math

Bit Manipulation

Array

String

Matrix

Hash Table

Binary Search

Sorting

Two Pointers

Dynamic Programming

About

Releases

Packages

Languages

License

Akshaya-Amar/LeetCodeSolutions

Folders and files

Latest commit

History

Repository files navigation

LeetCode Solutions

Algorithms

Explained Solutions

Math

Bit Manipulation

Array

String

Matrix

Hash Table

Binary Search

Sorting

Two Pointers

Dynamic Programming

About

Topics

Resources

License

Stars

Watchers

Forks

Releases

Packages 0

Languages

Packages