Competitive Programming

Welcome to my competitive programming repository! This is where I track my progress and share my solutions to various algorithmic problems.

Problem Solving Techniques

Divide and Conquer
Mathematical
String Processing
Array Processing

Problem Categories

Data Structures
Algorithms
Mathematics
Strings
Computational Geometry

Popular Online Judges

LeetCode
HackerRank
Codeforces
GeeksForGeeks

Feel free to use my solutions as a reference, but please make sure to understand the solution before using it in a competition. Also, if you find a better solution or spot an error, please let me know!

Happy coding!

Name		Name	Last commit message	Last commit date
Latest commit History 1,559 Commits
0000A2SV		0000A2SV
0000AtCoder		0000AtCoder
0000CodeForces		0000CodeForces
0000ETCPC		0000ETCPC
0000Eolymp		0000Eolymp
0000HackerRank		0000HackerRank
0001-two-sum		0001-two-sum
0002-add-two-numbers		0002-add-two-numbers
0003-longest-substring-without-repeating-characters		0003-longest-substring-without-repeating-characters
0005-longest-palindromic-substring		0005-longest-palindromic-substring
0006-zigzag-conversion		0006-zigzag-conversion
0007-reverse-integer		0007-reverse-integer
0008-string-to-integer-atoi		0008-string-to-integer-atoi
0009-palindrome-number		0009-palindrome-number
0011-container-with-most-water		0011-container-with-most-water
0013-roman-to-integer		0013-roman-to-integer
0015-3sum		0015-3sum
0016-3sum-closest		0016-3sum-closest
0017-letter-combinations-of-a-phone-number		0017-letter-combinations-of-a-phone-number
0018-4sum		0018-4sum
0019-remove-nth-node-from-end-of-list		0019-remove-nth-node-from-end-of-list
0020-valid-parentheses		0020-valid-parentheses
0021-merge-two-sorted-lists		0021-merge-two-sorted-lists
0023-merge-k-sorted-lists		0023-merge-k-sorted-lists
0024-swap-nodes-in-pairs		0024-swap-nodes-in-pairs
0026-remove-duplicates-from-sorted-array		0026-remove-duplicates-from-sorted-array
0027-remove-element		0027-remove-element
0028-find-the-index-of-the-first-occurrence-in-a-string		0028-find-the-index-of-the-first-occurrence-in-a-string
0038-count-and-say		0038-count-and-say
0043-multiply-strings		0043-multiply-strings
0049-group-anagrams		0049-group-anagrams
0050-powx-n		0050-powx-n
0053-maximum-subarray		0053-maximum-subarray
0054-spiral-matrix		0054-spiral-matrix
0056-merge-intervals		0056-merge-intervals
0066-plus-one		0066-plus-one
0067-add-binary		0067-add-binary
0069-sqrtx		0069-sqrtx
0070-climbing-stairs		0070-climbing-stairs
0071-simplify-path		0071-simplify-path
0075-sort-colors		0075-sort-colors
0080-remove-duplicates-from-sorted-array-ii		0080-remove-duplicates-from-sorted-array-ii
0083-remove-duplicates-from-sorted-list		0083-remove-duplicates-from-sorted-list
0088-merge-sorted-array		0088-merge-sorted-array
0094-binary-tree-inorder-traversal		0094-binary-tree-inorder-traversal
01-May-2024		01-May-2024
0102-binary-tree-level-order-traversal		0102-binary-tree-level-order-traversal
0118-pascals-triangle		0118-pascals-triangle
0119-pascals-triangle-ii		0119-pascals-triangle-ii
0121-best-time-to-buy-and-sell-stock		0121-best-time-to-buy-and-sell-stock
0125-valid-palindrome		0125-valid-palindrome
0128-longest-consecutive-sequence		0128-longest-consecutive-sequence
0129-sum-root-to-leaf-numbers		0129-sum-root-to-leaf-numbers
0136-single-number		0136-single-number
0137-single-number-ii		0137-single-number-ii
0141-linked-list-cycle		0141-linked-list-cycle
0144-binary-tree-preorder-traversal		0144-binary-tree-preorder-traversal
0145-binary-tree-postorder-traversal		0145-binary-tree-postorder-traversal
0146-lru-cache		0146-lru-cache
0150-evaluate-reverse-polish-notation		0150-evaluate-reverse-polish-notation
0151-reverse-words-in-a-string		0151-reverse-words-in-a-string
0164-maximum-gap		0164-maximum-gap
0167-two-sum-ii-input-array-is-sorted		0167-two-sum-ii-input-array-is-sorted
0168-excel-sheet-column-title		0168-excel-sheet-column-title
0169-majority-element		0169-majority-element
0171-excel-sheet-column-number		0171-excel-sheet-column-number
0179-largest-number		0179-largest-number
0189-rotate-array		0189-rotate-array
0190-reverse-bits		0190-reverse-bits
02-May-2024		02-May-2024
0202-happy-number		0202-happy-number
0203-remove-linked-list-elements		0203-remove-linked-list-elements
0206-reverse-linked-list		0206-reverse-linked-list
0209-minimum-size-subarray-sum		0209-minimum-size-subarray-sum
0214-shortest-palindrome		0214-shortest-palindrome
0217-contains-duplicate		0217-contains-duplicate
0219-contains-duplicate-ii		0219-contains-duplicate-ii
0229-majority-element-ii		0229-majority-element-ii
0231-power-of-two		0231-power-of-two
0232-implement-queue-using-stacks		0232-implement-queue-using-stacks
0234-palindrome-linked-list		0234-palindrome-linked-list
0237-delete-node-in-a-linked-list		0237-delete-node-in-a-linked-list
0238-product-of-array-except-self		0238-product-of-array-except-self
0239-sliding-window-maximum		0239-sliding-window-maximum
0242-valid-anagram		0242-valid-anagram
0257-binary-tree-paths		0257-binary-tree-paths
0258-add-digits		0258-add-digits
0268-missing-number		0268-missing-number
0283-move-zeroes		0283-move-zeroes
0290-word-pattern		0290-word-pattern
03-May-2024		03-May-2024
0303-range-sum-query-immutable		0303-range-sum-query-immutable
0304-range-sum-query-2d-immutable		0304-range-sum-query-2d-immutable
0316-remove-duplicate-letters		0316-remove-duplicate-letters
0326-power-of-three		0326-power-of-three
0328-odd-even-linked-list		0328-odd-even-linked-list
0342-power-of-four		0342-power-of-four
0344-reverse-string		0344-reverse-string
0345-reverse-vowels-of-a-string		0345-reverse-vowels-of-a-string
0347-top-k-frequent-elements		0347-top-k-frequent-elements

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