LeetCode Challenges

This repository contains my solutions to various coding challenges from LeetCode. Each problem is solved using different programming languages and approaches.

About LeetCode

LeetCode is a popular platform for practicing coding interview questions. It offers a vast collection of problems across different difficulty levels, ranging from easy to hard, covering various topics such as arrays, strings, linked lists, trees, dynamic programming, and more.

Solutions

The solutions are organized into folders based on the problem's category or difficulty level. Each problem folder contains:

Problem description: A README.md file describing the problem statement, constraints, and examples.
Solution file(s): Source code files containing the solution(s) to the problem in different programming languages.
Test cases (if applicable): Additional files containing test cases to validate the solution(s).

Languages Used

I have solved problems using the following programming languages:

Python
Java
JavaScript

Feel free to explore the solutions and provide feedback or suggestions for improvements.

Contribution

If you find any issues with the solutions or have a better approach, you're welcome to contribute by opening an issue or submitting a pull request. Your contributions are highly appreciated!

Happy Coding! 🚀

Name		Name	Last commit message	Last commit date
Latest commit History 253 Commits
100-same-tree		100-same-tree
1019-squares-of-a-sorted-array		1019-squares-of-a-sorted-array
1039-find-the-town-judge		1039-find-the-town-judge
1116-maximum-level-sum-of-a-binary-tree		1116-maximum-level-sum-of-a-binary-tree
1212-sequential-digits		1212-sequential-digits
1236-n-th-tribonacci-number		1236-n-th-tribonacci-number
1267-remove-zero-sum-consecutive-nodes-from-linked-list		1267-remove-zero-sum-consecutive-nodes-from-linked-list
129-sum-root-to-leaf-numbers		129-sum-root-to-leaf-numbers
132-palindrome-partitioning-ii		132-palindrome-partitioning-ii
1321-get-equal-substrings-within-budget		1321-get-equal-substrings-within-budget
1371-minimum-remove-to-make-valid-parentheses		1371-minimum-remove-to-make-valid-parentheses
1401-number-of-burgers-with-no-waste-of-ingredients		1401-number-of-burgers-with-no-waste-of-ingredients
141-linked-list-cycle		141-linked-list-cycle
1427-all-elements-in-two-binary-search-trees		1427-all-elements-in-two-binary-search-trees
1468-check-if-n-and-its-double-exist		1468-check-if-n-and-its-double-exist
150-evaluate-reverse-polish-notation		150-evaluate-reverse-polish-notation
1514-minimum-value-to-get-positive-step-by-step-sum		1514-minimum-value-to-get-positive-step-by-step-sum
1520-number-of-steps-to-reduce-a-number-in-binary-representation-to-one		1520-number-of-steps-to-reduce-a-number-in-binary-representation-to-one
1529-max-difference-you-can-get-from-changing-an-integer		1529-max-difference-you-can-get-from-changing-an-integer
155-min-stack		155-min-stack
1559-cherry-pickup-ii		1559-cherry-pickup-ii
1604-least-number-of-unique-integers-after-k-removals		1604-least-number-of-unique-integers-after-k-removals
1666-make-the-string-great		1666-make-the-string-great
169-majority-element		169-majority-element
1731-even-odd-tree		1731-even-odd-tree
1762-furthest-building-you-can-reach		1762-furthest-building-you-can-reach
1765-merge-in-between-linked-lists		1765-merge-in-between-linked-lists
1775-design-an-ordered-stream		1775-design-an-ordered-stream
180-consecutive-numbers		180-consecutive-numbers
1803-average-waiting-time		1803-average-waiting-time
183-customers-who-never-order		183-customers-who-never-order
1850-minimum-length-of-string-after-deleting-similar-ends		1850-minimum-length-of-string-after-deleting-similar-ends
19-remove-nth-node-from-end-of-list		19-remove-nth-node-from-end-of-list
1908-recyclable-and-low-fat-products		1908-recyclable-and-low-fat-products
200-number-of-islands		200-number-of-islands
201-bitwise-and-of-numbers-range		201-bitwise-and-of-numbers-range
206-reverse-linked-list		206-reverse-linked-list
2121-find-if-path-exists-in-graph		2121-find-if-path-exists-in-graph
2128-reverse-prefix-of-word		2128-reverse-prefix-of-word
2213-find-all-people-with-secret		2213-find-all-people-with-secret
2231-find-first-palindromic-string-in-the-array		2231-find-first-palindromic-string-in-the-array
2271-rearrange-array-elements-by-sign		2271-rearrange-array-elements-by-sign
231-power-of-two		231-power-of-two
232-implement-queue-using-stacks		232-implement-queue-using-stacks
234-palindrome-linked-list		234-palindrome-linked-list
2375-minimum-obstacle-removal-to-reach-corner		2375-minimum-obstacle-removal-to-reach-corner
238-product-of-array-except-self		238-product-of-array-except-self
2479-meeting-rooms-iii		2479-meeting-rooms-iii
2527-count-subarrays-with-fixed-bounds		2527-count-subarrays-with-fixed-bounds
2558-minimum-number-of-operations-to-sort-a-binary-tree-by-level		2558-minimum-number-of-operations-to-sort-a-binary-tree-by-level
2571-find-the-pivot-integer		2571-find-the-pivot-integer
2576-minimum-penalty-for-a-shop		2576-minimum-penalty-for-a-shop
2580-circular-sentence		2580-circular-sentence
2581-divide-players-into-teams-of-equal-skill		2581-divide-players-into-teams-of-equal-skill
2634-minimum-common-value		2634-minimum-common-value
268-missing-number		268-missing-number
279-perfect-squares		279-perfect-squares
2827-greatest-common-divisor-traversal		2827-greatest-common-divisor-traversal
287-find-the-duplicate-number		287-find-the-duplicate-number
2872-largest-element-in-an-array-after-merge-operations		2872-largest-element-in-an-array-after-merge-operations
3055-maximum-odd-binary-number		3055-maximum-odd-binary-number
3241-divide-array-into-arrays-with-max-difference		3241-divide-array-into-arrays-with-max-difference
3262-find-polygon-with-the-largest-perimeter		3262-find-polygon-with-the-largest-perimeter
344-reverse-string		344-reverse-string
349-intersection-of-two-arrays		349-intersection-of-two-arrays
368-largest-divisible-subset		368-largest-divisible-subset
386-lexicographical-numbers		386-lexicographical-numbers
387-first-unique-character-in-a-string		387-first-unique-character-in-a-string
402-remove-k-digits		402-remove-k-digits
404-sum-of-left-leaves		404-sum-of-left-leaves
41-first-missing-positive		41-first-missing-positive
42-trapping-rain-water		42-trapping-rain-water
442-find-all-duplicates-in-an-array		442-find-all-duplicates-in-an-array
451-sort-characters-by-frequency		451-sort-characters-by-frequency
452-minimum-number-of-arrows-to-burst-balloons		452-minimum-number-of-arrows-to-burst-balloons
463-island-perimeter		463-island-perimeter
49-group-anagrams		49-group-anagrams
513-find-bottom-left-tree-value		513-find-bottom-left-tree-value
525-contiguous-array		525-contiguous-array
53-maximum-subarray		53-maximum-subarray
537-complex-number-multiplication		537-complex-number-multiplication
543-diameter-of-binary-tree		543-diameter-of-binary-tree
57-insert-interval		57-insert-interval
58-length-of-last-word		58-length-of-last-word
584-find-customer-referee		584-find-customer-referee
596-classes-more-than-5-students		596-classes-more-than-5-students
621-task-scheduler		621-task-scheduler
647-palindromic-substrings		647-palindromic-substrings
678-valid-parenthesis-string		678-valid-parenthesis-string
717-1-bit-and-2-bit-characters		717-1-bit-and-2-bit-characters
739-daily-temperatures		739-daily-temperatures
76-minimum-window-substring		76-minimum-window-substring
803-cheapest-flights-within-k-stops		803-cheapest-flights-within-k-stops
807-custom-sort-string		807-custom-sort-string
85-maximal-rectangle		85-maximal-rectangle
887-minimum-cost-to-hire-k-workers		887-minimum-cost-to-hire-k-workers
908-middle-of-the-linked-list		908-middle-of-the-linked-list
924-fair-candy-swap		924-fair-candy-swap
932-monotonic-array		932-monotonic-array
966-binary-subarrays-with-sum		966-binary-subarrays-with-sum

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Repository files navigation

LeetCode Challenges

About LeetCode

Solutions

Languages Used

Contribution

About

Releases

Packages

Languages

MuhammadAhmadA01/Leetcode-challenges

Folders and files

Latest commit

History

Repository files navigation

LeetCode Challenges

About LeetCode

Solutions

Languages Used

Contribution

About

Resources

Stars

Watchers

Forks

Releases

Packages 0

Languages

Packages