Competitive Programming Problems from Various Platforms

Welcome to the Competitive Programming Problems GitHub repository! This repository is a curated collection of coding problems sourced from various platforms like LeetCode, HackerEarth, HackerRank, GeeksforGeeks, Coding Ninjas, and CodeChef. The problems are categorized and organized to help you practice and improve your algorithmic and data structure skills.

Problem Platforms

Contribution Guidelines

I encourage contributions from the community to enhance the problem collection. If you come across interesting problems from any of the mentioned platforms or have created your own, follow these steps to contribute:

Fork this repository: Click the "Fork" button in the top right corner of this page to create your copy of the repository.
Clone the repository: Clone your forked repository to your local development environment using the following command:
Add new problems: Place the problem statement in the appropriate platform and category directory. Ensure you include any necessary input/output examples.
Commit and Push: Commit your changes and push them to your forked repository:
Create a Pull Request: Go to the main page of your forked repository on GitHub and click the "New Pull Request" button. Fill out the necessary details and submit your pull request. We'll review your contribution and merge it if everything looks good!

Disclaimer

Please note that the problems in this repository are sourced from external platforms, and each problem may have its own specific terms of use and licenses. Be sure to comply with the terms and conditions of each platform when using these problems for practice.

Acknowledgments

I like to express our gratitude to all the platforms for providing such a rich collection of programming problems to help the coding community grow.

Happy Coding! 🚀

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Competitive Programming Problems from Various Platforms

Problem Platforms

Contribution Guidelines

Disclaimer

Acknowledgments

About

Languages

Name		Name	Last commit message	Last commit date
Latest commit History 2,494 Commits
.vscode		.vscode
1-two-sum		1-two-sum
10-regular-expression-matching		10-regular-expression-matching
100-same-tree		100-same-tree
1002-maximum-width-ramp		1002-maximum-width-ramp
1021-distribute-coins-in-binary-tree		1021-distribute-coins-in-binary-tree
1025-minimum-cost-for-tickets		1025-minimum-cost-for-tickets
1030-smallest-string-starting-from-leaf		1030-smallest-string-starting-from-leaf
1034-subarrays-with-k-different-integers		1034-subarrays-with-k-different-integers
1039-find-the-town-judge		1039-find-the-town-judge
1063-best-sightseeing-pair		1063-best-sightseeing-pair
1092-maximum-difference-between-node-and-ancestor		1092-maximum-difference-between-node-and-ancestor
1112-find-words-that-can-be-formed-by-characters		1112-find-words-that-can-be-formed-by-characters
1121-partition-array-for-maximum-sum		1121-partition-array-for-maximum-sum
1137-height-checker		1137-height-checker
1145-number-of-submatrices-that-sum-to-target		1145-number-of-submatrices-that-sum-to-target
1147-flip-columns-for-maximum-number-of-equal-rows		1147-flip-columns-for-maximum-number-of-equal-rows
115-distinct-subsequences		115-distinct-subsequences
118-pascals-triangle		118-pascals-triangle
12-integer-to-roman		12-integer-to-roman
1212-sequential-digits		1212-sequential-digits
1217-relative-sort-array		1217-relative-sort-array
1221-element-appearing-more-than-25-in-sorted-array		1221-element-appearing-more-than-25-in-sorted-array
1224-minimum-falling-path-sum-ii		1224-minimum-falling-path-sum-ii
1250-longest-common-subsequence		1250-longest-common-subsequence
1256-rank-transform-of-an-array		1256-rank-transform-of-an-array
1263-number-of-dice-rolls-with-target-sum		1263-number-of-dice-rolls-with-target-sum
1285-balance-a-binary-search-tree		1285-balance-a-binary-search-tree
1293-three-consecutive-odds		1293-three-consecutive-odds
1304-longest-happy-string		1304-longest-happy-string
1309-sort-items-by-groups-respecting-dependencies		1309-sort-items-by-groups-respecting-dependencies
1319-unique-number-of-occurrences		1319-unique-number-of-occurrences
1331-path-with-maximum-gold		1331-path-with-maximum-gold
1332-count-vowels-permutation		1332-count-vowels-permutation
1354-find-players-with-zero-or-one-losses		1354-find-players-with-zero-or-one-losses
1360-maximum-length-of-a-concatenated-string-with-unique-characters		1360-maximum-length-of-a-concatenated-string-with-unique-characters
1370-count-number-of-nice-subarrays		1370-count-number-of-nice-subarrays
138-copy-list-with-random-pointer		138-copy-list-with-random-pointer
139-word-break		139-word-break
1395-minimum-time-visiting-all-points		1395-minimum-time-visiting-all-points
141-linked-list-cycle		141-linked-list-cycle
1421-find-numbers-with-even-number-of-digits		1421-find-numbers-with-even-number-of-digits
143-reorder-list		143-reorder-list
1435-xor-queries-of-a-subarray		1435-xor-queries-of-a-subarray
1451-minimum-number-of-taps-to-open-to-water-a-garden		1451-minimum-number-of-taps-to-open-to-water-a-garden
1457-minimum-difficulty-of-a-job-schedule		1457-minimum-difficulty-of-a-job-schedule
1458-sort-integers-by-the-number-of-1-bits		1458-sort-integers-by-the-number-of-1-bits
1461-count-all-valid-pickup-and-delivery-options		1461-count-all-valid-pickup-and-delivery-options
1468-check-if-n-and-its-double-exist		1468-check-if-n-and-its-double-exist
1473-find-the-longest-substring-containing-vowels-in-even-counts		1473-find-the-longest-substring-containing-vowels-in-even-counts
1484-linked-list-in-binary-tree		1484-linked-list-in-binary-tree
1497-design-a-stack-with-increment-operation		1497-design-a-stack-with-increment-operation
150-evaluate-reverse-polish-notation		150-evaluate-reverse-polish-notation
151-reverse-words-in-a-string		151-reverse-words-in-a-string
1528-kids-with-the-greatest-number-of-candies		1528-kids-with-the-greatest-number-of-candies
1537-maximum-score-after-splitting-a-string		1537-maximum-score-after-splitting-a-string
1549-longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit		1549-longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit
1552-build-an-array-with-stack-operations		1552-build-an-array-with-stack-operations
1553-count-triplets-that-can-form-two-arrays-of-equal-xor		1553-count-triplets-that-can-form-two-arrays-of-equal-xor
1559-cherry-pickup-ii		1559-cherry-pickup-ii
1566-check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence		1566-check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence
1568-pseudo-palindromic-paths-in-a-binary-tree		1568-pseudo-palindromic-paths-in-a-binary-tree
1570-final-prices-with-a-special-discount-in-a-shop		1570-final-prices-with-a-special-discount-in-a-shop
1574-maximum-product-of-two-elements-in-an-array		1574-maximum-product-of-two-elements-in-an-array
1604-least-number-of-unique-integers-after-k-removals		1604-least-number-of-unique-integers-after-k-removals
1613-find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree		1613-find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree
1615-range-sum-of-sorted-subarray-sums		1615-range-sum-of-sorted-subarray-sums
1619-path-crossing		1619-path-crossing
1620-check-if-array-pairs-are-divisible-by-k		1620-check-if-array-pairs-are-divisible-by-k
1627-last-moment-before-all-ants-fall-out-of-a-plank		1627-last-moment-before-all-ants-fall-out-of-a-plank
1637-string-compression-ii		1637-string-compression-ii
1642-water-bottles		1642-water-bottles
165-compare-version-numbers		165-compare-version-numbers
1657-find-the-winner-of-an-array-game		1657-find-the-winner-of-an-array-game
1675-magnetic-force-between-two-balls		1675-magnetic-force-between-two-balls
1679-shortest-subarray-to-be-removed-to-make-array-sorted		1679-shortest-subarray-to-be-removed-to-make-array-sorted
1683-maximum-number-of-coins-you-can-get		1683-maximum-number-of-coins-you-can-get
1691-minimum-number-of-days-to-disconnect-island		1691-minimum-number-of-days-to-disconnect-island
1694-make-sum-divisible-by-p		1694-make-sum-divisible-by-p
17-letter-combinations-of-a-phone-number		17-letter-combinations-of-a-phone-number
1700-minimum-time-to-make-rope-colorful		1700-minimum-time-to-make-rope-colorful
1704-special-positions-in-a-binary-matrix		1704-special-positions-in-a-binary-matrix
1715-split-a-string-into-the-max-number-of-unique-substrings		1715-split-a-string-into-the-max-number-of-unique-substrings
1720-crawler-log-folder		1720-crawler-log-folder
1731-even-odd-tree		1731-even-odd-tree
1732-minimum-one-bit-operations-to-make-integers-zero		1732-minimum-one-bit-operations-to-make-integers-zero
1737-maximum-nesting-depth-of-the-parentheses		1737-maximum-nesting-depth-of-the-parentheses
1738-maximal-network-rank		1738-maximal-network-rank
1741-sort-array-by-increasing-frequency		1741-sort-array-by-increasing-frequency
1746-largest-substring-between-two-equal-characters		1746-largest-substring-between-two-equal-characters
1752-arithmetic-subarrays		1752-arithmetic-subarrays
1756-minimum-deletions-to-make-string-balanced		1756-minimum-deletions-to-make-string-balanced
1766-minimum-number-of-removals-to-make-mountain-array		1766-minimum-number-of-removals-to-make-mountain-array
1770-minimum-deletions-to-make-character-frequencies-unique		1770-minimum-deletions-to-make-character-frequencies-unique
1777-determine-if-two-strings-are-close		1777-determine-if-two-strings-are-close
1781-check-if-two-string-arrays-are-equivalent		1781-check-if-two-string-arrays-are-equivalent
179-largest-number		179-largest-number
1806-count-of-matches-in-tournament		1806-count-of-matches-in-tournament
1823-determine-if-string-halves-are-alike		1823-determine-if-string-halves-are-alike
1845-largest-submatrix-with-rearrangements		1845-largest-submatrix-with-rearrangements

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Competitive Programming Problems from Various Platforms

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