Jiganesh/Loads-Of-Logic

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Jiganesh/Loads-Of-Logic

Jiganesh

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Repository with leetcode solutions and dedicated index to prepare for your Meta, Google, Amazon, Microsoft interviews. Feel free to share and contribute to this awesome repository.

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Arrays

Bit Manipulation

Backtracking

https://leetcode.com/problems/generate-parentheses/ Medium
https://leetcode.com/problems/combination-sum/ Medium
https://leetcode.com/problems/combination-sum-ii/ Medium
https://leetcode.com/problems/n-queens/ Hard
https://leetcode.com/problems/n-queens-ii/ Hard
https://leetcode.com/problems/combinations/ Medium
https://leetcode.com/problems/matchsticks-to-square```Medium```
https://leetcode.com/problems/maximum-rows-covered-by-columns/ Medium
https://leetcode.com/problems/sudoku-solver/ Hard
https://leetcode.com/problems/subsets-ii/ Medium
https://leetcode.com/problems/find-xor-beauty-of-array/ Medium
https://leetcode.com/problems/restore-ip-addresses/ Medium
https://leetcode.com/problems/the-number-of-beautiful-subsets/ Medium
https://leetcode.com/problems/additive-number/ Medium
https://leetcode.com/problems/letter-tile-possibilities/ Medium
https://leetcode.com/problems/number-of-ways-to-reorder-array-to-get-same-bst/ Hard

Design

https://leetcode.com/problems/design-an-atm-machine/ Medium
https://leetcode.com/problems/min-stack/ Easy
https://leetcode.com/problems/design-hashset/ Easy
https://leetcode.com/problems/design-hashmap/ Easy
https://leetcode.com/problems/encode-and-decode-tinyurl/ Medium
https://leetcode.com/problems/peeking-iterator/ Medium
https://leetcode.com/problems/implement-stack-using-queues/ Easy
https://leetcode.com/problems/fair-distribution-of-cookies/submissions/ Medium
https://leetcode.com/problems/display-table-of-food-orders-in-a-restaurant/ Medium
https://leetcode.com/problems/design-browser-history/ Medium
https://leetcode.com/problems/design-front-middle-back-queue/ Medium
https://leetcode.com/problems/find-consecutive-integers-from-a-data-stream/ Medium
https://leetcode.com/problems/random-pick-index/ Medium
https://leetcode.com/problems/frequency-tracker/ Medium
https://leetcode.com/problems/design-parking-system/ Medium

Dynamic Programming

https://leetcode.com/problems/coin-change/ Medium
https://leetcode.com/problems/coin-change-2/ Medium
https://leetcode.com/problems/arithmetic-slices/ Medium
https://leetcode.com/problems/champagne-tower/ Medium
https://leetcode.com/problems/best-time-to-buy-and-sell-stock/ Easy
https://leetcode.com/problems/climbing-stairs/ Easy
https://leetcode.com/problems/n-th-tribonacci-number/ Easy
https://leetcode.com/problems/divisor-game/ Easy
https://leetcode.com/problems/min-cost-climbing-stairs/ Easy
https://leetcode.com/problems/longest-increasing-subsequence/ Medium
https://practice.geeksforgeeks.org/problems/max-sum-without-adjacents2430/1 Easy
https://leetcode.com/problems/delete-and-earn/ Medium
https://leetcode.com/problems/number-of-smooth-descent-periods-of-a-stock/ Medium
https://leetcode.com/problems/counting-bits/ Easy Bit Manipulation
https://leetcode.com/problems/integer-break/ Medium
https://leetcode.com/problems/minimum-cost-for-tickets/ Medium
https://leetcode.com/problems/decode-ways/ Medium
https://practice.geeksforgeeks.org/problems/subset-sum-problem-1611555638/1/ Medium Recommended
https://leetcode.com/problems/partition-equal-subset-sum/ Medium
https://practice.geeksforgeeks.org/problems/perfect-sum-problem5633/1# Medium Standard
https://leetcode.com/problems/target-sum/ Medium Recommended
https://www.codingninjas.com/codestudio/problems/rod-cutting-problem_800284 Medium
https://leetcode.com/problems/longest-common-subsequence/ Medium Standard
https://leetcode.com/problems/letter-combinations-of-a-phone-number/ Medium
https://leetcode.com/problems/delete-operation-for-two-strings/ Medium
https://leetcode.com/problems/minimum-ascii-delete-sum-for-two-strings/ Medium
https://leetcode.com/problems/n-th-tribonacci-number/te-sum-for-two-strings/ Medium
https://leetcode.com/problems/longest-palindromic-subsequence/ Medium
https://leetcode.com/problems/jump-game-ii/ Medium
https://leetcode.com/problems//minimum-insertion-steps-to-make-a-string-palindrome/ Hard
https://leetcode.com/problems/shortest-common-supersequence/ Hard
https://leetcode.com/problems/palindrome-partitioning/ Medium
https://leetcode.com/problems/palindrome-partitioning-ii/ Hard
https://leetcode.com/problems/perfect-squares/ Medium
https://leetcode.com/problems/number-of-ways-to-buy-pens-and-pencils/ Medium
https://leetcode.com/problems/count-sorted-vowel-strings/ Medium
https://leetcode.com/problems/get-maximum-in-generated-array/ Easy
https://leetcode.com/problems/unique-paths-ii/ Medium
https://leetcode.com/problems/palindromic-substrings/ Medium
https://leetcode.com/problems/concatenated-words/ Hard
https://leetcode.com/problems/word-break/ Medium
https://leetcode.com/problems/word-break-ii/ Hard
https://leetcode.com/problems/unique-paths/ Medium
https://leetcode.com/problems/triangle/ Medium
https://leetcode.com/problems/minimum-path-cost-in-a-grid/ Medium
https://leetcode.com/problems/edit-distance/ Hard
https://leetcode.com/problems/longest-string-chain/ Medium
https://leetcode.com/problems/maximum-profit-in-job-scheduling/ Hard
https://leetcode.com/problems/maximum-earnings-from-taxi/ Medium
https://leetcode.com/problems/jump-game/ Medium
https://leetcode.com/problems/string-compression/ Medium
https://leetcode.com/problems/time-needed-to-rearrange-a-binary-string/ Medium
https://leetcode.com/problems/minimum-path-sum/ Medium
https://leetcode.com/problems/fibonacci-number/ Easy
https://leetcode.com/problems/length-of-longest-fibonacci-subsequence/ Medium
https://leetcode.com/problems/interleaving-string/ Medium
https://leetcode.com/problems/out-of-boundary-paths/ Medium
https://leetcode.com/problems/knight-probability-in-chessboard/ Medium
https://leetcode.com/problems/check-if-there-is-a-valid-partition-for-the-array/ Medium
https://leetcode.com/problems/k-concatenation-maximum-sum/ Medium
https://leetcode.com/problems/number-of-ways-to-reach-a-position-after-exactly-k-steps/ Medium
https://leetcode.com/problems/count-square-submatrices-with-all-ones/ Medium
https://leetcode.com/problems/all-possible-full-binary-trees/ Medium
https://leetcode.com/problems/minimum-number-of-removals-to-make-mountain-array/ Hard
https://leetcode.com/problems/max-dot-product-of-two-subsequences/ Medium
https://leetcode.com/problems/number-of-dice-rolls-with-target-sum/ Medium
https://leetcode.com/problems/where-will-the-ball-fall/ Medium
https://leetcode.com/problems/unique-binary-search-trees/ Medium
https://leetcode.com/problems/find-the-substring-with-maximum-cost/ Medium
https://leetcode.com/problems/maximum-product-subarray/ Medium
https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/ Medium
https://leetcode.com/problems/different-ways-to-add-parentheses/ Medium
https://leetcode.com/problems/unique-binary-search-trees-ii/ Medium
https://leetcode.com/problems/profitable-schemes/ Hard
https://leetcode.com/problems/maximum-value-of-k-coins-from-piles/ Hard
https://leetcode.com/problems/uncrossed-lines/ Medium
https://leetcode.com/problems/make-array-strictly-increasing/ Hard
https://leetcode.com/problems/number-of-increasing-paths-in-a-grid/ Hard
https://leetcode.com/problems/number-of-music-playlists/ hard

Graphs

https://leetcode.com/problems/flood-fill/ Easy
https://leetcode.com/problems/is-graph-bipartite/ Medium
https://leetcode.com/problems/jump-game-vii/ Medium
https://leetcode.com/problems/find-center-of-star-graph/ Easy
https://leetcode.com/problems/reachable-nodes-with-restrictions/ Medium
https://leetcode.com/problems/snakes-and-ladders/ Medium
https://leetcode.com/problems/max-area-of-island/ Medium
https://leetcode.com/problems/minimum-jumps-to-reach-home/ Medium
https://leetcode.com/problems/lexicographical-numbers/ Medium
https://leetcode.com/problems/word-search/ Medium
https://leetcode.com/problems/find-if-path-exists-in-graph/ Easy
https://leetcode.com/problems/find-the-town-judge/ Easy
https://leetcode.com/problems/minimum-number-of-vertices-to-reach-all-nodes/ Medium
https://leetcode.com/problems/all-paths-from-source-to-target/ Medium
https://leetcode.com/problems/keys-and-rooms/ Medium
https://leetcode.com/problems/pacific-atlantic-water-flow/ Medium
https://leetcode.com/problems/numbers-with-same-consecutive-differences/ Medium
https://leetcode.com/problems/minimum-genetic-mutation/ Medium
https://leetcode.com/problems/nearest-exit-from-entrance-in-maze/ Medium
https://leetcode.com/problems/minimum-score-of-a-path-between-two-cities/ Medium
https://leetcode.com/problems/unique-paths-iii/ Hard
https://leetcode.com/problems/shortest-path-with-alternating-colors/ Medium
https://leetcode.com/problems/minimum-fuel-cost-to-report-to-the-capital/ Medium
https://leetcode.com/problems/minimum-distance-between-bst-nodes/ Easy
https://leetcode.com/problems/check-knight-tour-configuration/ Medium
https://leetcode.com/problems/number-of-closed-islands/ Medium
https://leetcode.com/problems/surrounded-regions/ Medium
https://leetcode.com/problems/number-of-enclaves/ Medium
https://leetcode.com/problems/course-schedule/ Medium
https://leetcode.com/problems/course-schedule-ii/ Medium
https://leetcode.com/problems/rotting-oranges/ Medium
https://leetcode.com/problems/evaluate-division/ Medium
https://leetcode.com/problems/shortest-bridge/ Medium
https://leetcode.com/problems/time-needed-to-inform-all-employees/ Medium
https://leetcode.com/problems/number-of-provinces/ Medium

Greedy

HashTable

Heap

https://leetcode.com/problems/last-stone-weight/ Easy Recommended
https://leetcode.com/problems/top-k-frequent-elements/ Medium
https://leetcode.com/problems/furthest-building-you-can-reach/ Medium
https://leetcode.com/problems/course-schedule-iii/ Hard
https://leetcode.com/problems/construct-target-array-with-multiple-sums/ Hard
https://leetcode.com/problems/sort-the-matrix-diagonally/ Medium
https://leetcode.com/problems/sliding-window-maximum/ Hard
https://leetcode.com/problems/minimum-deletions-to-make-array-divisible/ Hard
https://leetcode.com/problems/minimum-amount-of-time-to-fill-cups/ Easy
https://leetcode.com/problems/reduce-array-size-to-the-half/ Medium
https://leetcode.com/problems/divide-intervals-into-minimum-number-of-groups/ Medium
https://leetcode.com/problems/sort-the-people/ Easy
https://leetcode.com/problems/total-cost-to-hire-k-workers/ Medium
https://leetcode.com/problems/remove-stones-to-minimize-the-total/ Medium
https://leetcode.com/problems/convert-an-array-into-a-2d-array-with-conditions/ Medium
https://leetcode.com/problems/distant-barcodes/ Medium
https://leetcode.com/problems/largest-values-from-labels/ Medium

LinkedLists

https://leetcode.com/problems/maximum-twin-sum-of-a-linked-list/ Medium
https://leetcode.com/problems/merge-k-sorted-lists/ Hard
https://leetcode.com/problems/merge-nodes-in-between-zeros/ Medium
https://leetcode.com/problems/remove-duplicates-from-sorted-list/ Medium
https://leetcode.com/problems/swap-nodes-in-pairs/ Medium
https://leetcode.com/problems/merge-two-sorted-lists/ Easy
https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii/ Medium
https://leetcode.com/problems/linked-list-cycle/ Easy
https://leetcode.com/problems/add-two-numbers/ Medium
https://leetcode.com/problems/rotate-list/ Medium
https://leetcode.com/problems/copy-list-with-random-pointer/ Medium
https://leetcode.com/problems/remove-nth-node-from-end-of-list/ Medium
https://leetcode.com/problems/swapping-nodes-in-a-linked-list/ Medium
https://leetcode.com/problems/plus-one-linked-list/ Medium Premium
https://leetcode.com/problems/intersection-of-two-linked-lists/ Easy
https://leetcode.com/problems/partition-list/ Medium
https://leetcode.com/problems/reverse-linked-list-ii/ Medium
https://leetcode.com/problems/reverse-linked-list/ Easy
https://leetcode.com/problems/palindrome-linked-list/ Easy
https://leetcode.com/problems/merge-in-between-linked-lists/ Medium
https://leetcode.com/problems/middle-of-the-linked-list/ Easy
https://leetcode.com/problems/linked-list-cycle-ii/ Medium
https://leetcode.com/problems/delete-node-in-a-linked-list/ Medium
https://leetcode.com/problems/delete-the-middle-node-of-a-linked-list Medium
https://leetcode.com/problems/reorder-list/ Medium
https://leetcode.com/problems/remove-nodes-from-linked-list/ Medium
https://leetcode.com/problems/odd-even-linked-list/ Medium
https://leetcode.com/problems/remove-linked-list-elements/ Easy
https://leetcode.com/problems/reverse-nodes-in-k-group/ Hard
https://leetcode.com/problems/add-two-numbers-ii/ Medium

Maths

Prefix Sum

Queue

Recursion

https://www.geeksforgeeks.org/sum-triangle-from-array/ Easy GFG
https://leetcode.com/problems/sudoku-solver/ Hard
https://leetcode.com/problems/combination-sum-iii/ Medium
https://leetcode.com/problems/elimination-game/ Medium
https://leetcode.com/problems/k-th-symbol-in-grammar/ Medium
https://leetcode.com/problems/count-and-say/ Medium
https://leetcode.com/problems/find-kth-bit-in-nth-binary-string/ Medium
https://leetcode.com/problems/construct-quad-tree/ Medium

Search

Sorting

BubbleSort
CustomSort
- https://leetcode.com/problems/matrix-cells-in-distance-order/ Easy
- https://leetcode.com/problems/sort-the-jumbled-numbers/ Medium
- https://leetcode.com/problems/kth-largest-element-in-a-stream/ Easy
- https://leetcode.com/problems/find-closest-number-to-zero/ Easy
- https://leetcode.com/problems/sort-array-by-parity/ Easy
- https://leetcode.com/problems/missing-number/ Easy
- https://leetcode.com/problems/sender-with-largest-word-count/ Medium Array
- https://leetcode.com/problems/maximum-total-importance-of-roads/ Medium
- https://leetcode.com/problems/top-k-frequent-words/ Medium
- https://leetcode.com/problems/queue-reconstruction-by-height/ Medium
- https://leetcode.com/problems/sort-characters-by-frequency/ Medium
- https://leetcode.com/problems/delete-greatest-value-in-each-row/ Easy
- https://leetcode.com/problems/longest-square-streak-in-an-array/ Medium
- https://leetcode.com/problems/sort-the-students-by-their-kth-score/ Medium
- https://leetcode.com/problems/custom-sort-string/ Medium
- https://leetcode.com/problems/neither-minimum-nor-maximum/ Medium
CycleSort
InsertionSort
SelectionSort

Stack

https://leetcode.com/problems/daily-temperatures/ Medium
https://leetcode.com/problems/min-stack/ Easy
https://leetcode.com/problems/backspace-string-compare/ Easy
https://leetcode.com/problems/implement-stack-using-queues/ Easy
https://leetcode.com/problems/valid-parentheses/ Easy
https://leetcode.com/problems/next-greater-element-i/ Easy
https://www.interviewbit.com/problems/nearest-smaller-element/# Easy
https://practice.geeksforgeeks.org/problems/sort-a-stack/1 Easy
https://leetcode.com/problems/increasing-order-search-tree/ Medium
https://leetcode.com/problems/largest-rectangle-in-histogram/ Hard Recommended
https://leetcode.com/problems/minimum-add-to-make-parentheses-valid/ Medium
https://leetcode.com/problems/maximal-rectangle/ Hard
https://leetcode.com/problems/is-subsequence/ Easy
https://leetcode.com/problems/remove-k-digits/ Medium Recommended
https://leetcode.com/problems/score-of-parentheses/ Medium
https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses/ Medium
https://leetcode.com/problems/simplify-path/ Medium
https://leetcode.com/problems/validate-stack-sequences/ Medium
https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii/ Medium
https://leetcode.com/problems/132-pattern/ Medium
https://leetcode.com/problems/flatten-nested-list-iterator/ Medium
https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string/ Easy
https://leetcode.com/problems/steps-to-make-array-non-decreasing/ Medium
https://leetcode.com/problems/maximum-product-of-word-lengths/ Medium
https://leetcode.com/problems/minimum-deletions-to-make-array-beautiful/ Medium
https://leetcode.com/problems/construct-smallest-number-from-di-string/ Medium
https://leetcode.com/problems/longest-absolute-file-path/ Medium
https://leetcode.com/problems/removing-stars-from-a-string/ Medium
https://leetcode.com/problems/maximum-binary-tree/ Medium
https://leetcode.com/problems/make-the-string-great/ Easy
https://leetcode.com/problems/online-stock-span/ Medium
https://leetcode.com/problems/basic-calculator-ii/ Medium
https://leetcode.com/problems/validate-stack-sequences/ Medium
https://leetcode.com/problems/decode-string/ Medium
https://leetcode.com/problems/reveal-cards-in-increasing-order/ Medium
https://leetcode.com/problems/minimum-string-length-after-removing-substrings/ Easy

Strings

Trees

Tries

https://leetcode.com/problems/design-add-and-search-words-data-structure/ Medium
https://leetcode.com/problems/camelcase-matching/ Medium
https://leetcode.com/problems/longest-word-in-dictionary/ Medium
https://leetcode.com/problems/short-encoding-of-words/ Medium
https://leetcode.com/problems/replace-words/description/ Medium
https://leetcode.com/problems/sum-of-prefix-scores-of-strings/ Hard
https://leetcode.com/problems/implement-trie-prefix-tree/ Medium
https://leetcode.com/problems/implement-magic-dictionary/ Medium

Two Pointers

Concepts

- Print Number from 1 to N && from N to 1 && from 1 to N and N to 1 in same - Sum and Product of Digits in a Number - Reverse A Number - Maximize The Number By Swapping Adjacent Two Digits ```Not Yet Solved```

dynamic Programming
- Print possible Sum for Target using given number as many times possible
- Longest Common Subsequence
- Printing Longest Common Subsequence
binarySearch
- Order Agnostic Binary Search Binary Search
- Search in Infinite Array Binary Search
- Find Binary Search Ceiling Value Binary Search
- Find Binary Search Floor ValueBinary Search
- Find Pivot in Rotated Sorted Array Binary Search
- Find Pivot in Rotated Sorted Element with Duplicates Binary Search
- Rotation Count for Rotated Array Binary Search
- Search in Sorted Row and Column Wise Matrix Binary Search
- Search a Matrix sorted Row and Column wise Binary Search , Matrix
- Search a Sorted Matrix Binary Search , Matrix
overflow & underflow
- String to Integer - Handling Integer Overflow and Underflow
graphs
- Graph Representation
- BFS
- DFS
- Cycle Detection Using BFS
- Cycle Detection Using DFS
- Cycle Detection Using BFS in DAG
- Cycle Detection Using DFS in DAG
- Topological Sort (Linear Ordering of Vertices such that if there is and edge u --> v, u appears before v in that ordering )

Wanna Contribute to this repository !!

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