Skip to content

Collection of LeetCode questions to ace the coding interview!

Notifications You must be signed in to change notification settings

varunrmantri23/Leetcode-submissions

Folders and files

NameName
Last commit message
Last commit date

Latest commit

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Repository files navigation

Leetcode-submissions

Collection of LeetCode questions to ace the coding interview! Maintaining my DSA journey here!

String

0344-reverse-string
3379-score-of-a-string

Two Pointers

0075-sort-colors
0344-reverse-string
0853-most-profit-assigning-work

Array

0075-sort-colors
0523-continuous-subarray-sum
0853-most-profit-assigning-work
0982-minimum-increment-to-make-array-unique
1016-subarray-sums-divisible-by-k
1217-relative-sort-array
1370-count-number-of-nice-subarrays
1549-longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit
2148-minimum-number-of-moves-to-seat-everyone

Hash Table

0523-continuous-subarray-sum
1016-subarray-sums-divisible-by-k
1217-relative-sort-array
1370-count-number-of-nice-subarrays

Math

0523-continuous-subarray-sum
1370-count-number-of-nice-subarrays

Prefix Sum

0523-continuous-subarray-sum
1016-subarray-sums-divisible-by-k

Sorting

0075-sort-colors
0853-most-profit-assigning-work
0982-minimum-increment-to-make-array-unique
1217-relative-sort-array
2148-minimum-number-of-moves-to-seat-everyone
2379-maximum-total-importance-of-roads

Counting Sort

0982-minimum-increment-to-make-array-unique
1217-relative-sort-array

Greedy

0853-most-profit-assigning-work
0982-minimum-increment-to-make-array-unique
2148-minimum-number-of-moves-to-seat-everyone
2379-maximum-total-importance-of-roads

Binary Search

0853-most-profit-assigning-work

Sliding Window

1370-count-number-of-nice-subarrays
1549-longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit

Queue

1549-longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit

Heap (Priority Queue)

1549-longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit
2379-maximum-total-importance-of-roads

Ordered Set

1549-longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit

Monotonic Queue

1549-longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit

Graph

2379-maximum-total-importance-of-roads

LeetCode Topics

Array

0011-container-with-most-water
0042-trapping-rain-water
0056-merge-intervals
0121-best-time-to-buy-and-sell-stock
0128-longest-consecutive-sequence
0167-two-sum-ii-input-array-is-sorted
0238-product-of-array-except-self
0350-intersection-of-two-arrays-ii
0368-largest-divisible-subset
0416-partition-equal-subset-sum
0624-maximum-distance-in-arrays
0797-rabbits-in-forest
0890-lemonade-change
0921-spiral-matrix-iii
0925-construct-binary-tree-from-preorder-and-postorder-traversal
1184-car-pooling
1196-filling-bookcase-shelves
1293-three-consecutive-odds
1335-maximum-candies-allocated-to-k-children
1496-lucky-numbers-in-a-matrix
1511-count-number-of-teams
1631-number-of-sub-arrays-with-odd-sum
1656-count-good-triplets
1691-minimum-number-of-days-to-disconnect-island
1720-crawler-log-folder
1766-minimum-number-of-removals-to-make-mountain-array
1849-maximum-absolute-sum-of-any-subarray
1993-sum-of-all-subset-xor-totals
2107-find-unique-binary-string
2138-sum-of-beauty-in-the-array
2160-minimum-operations-to-make-a-uni-value-grid
2163-kth-distinct-string-in-an-array
2170-count-number-of-maximum-bitwise-or-subsets
2179-most-beautiful-item-for-each-query
2220-find-all-possible-recipes-from-given-supplies
2249-count-the-hidden-sequences
2255-minimum-swaps-to-group-all-1s-together-ii
2262-solving-questions-with-brainpower
2265-partition-array-according-to-given-pivot
2277-count-equal-and-divisible-pairs-in-an-array
2280-count-good-triplets-in-an-array
2306-create-binary-tree-from-descriptions
2308-divide-array-into-equal-pairs
2478-longest-nice-subarray
2551-apply-operations-to-an-array
2588-maximum-number-of-points-from-grid-queries
2614-maximum-count-of-positive-integer-and-negative-integer
2626-count-the-number-of-good-subarrays
2665-minimum-time-to-repair-cars
2681-put-marbles-in-bags
2690-house-robber-iv
2699-count-the-number-of-fair-pairs
2707-merge-two-2d-arrays-by-summing-values
2846-robot-collisions
2856-count-complete-subarrays-in-an-array
2888-minimum-index-of-a-valid-split
2915-count-of-interesting-subarrays
3001-apply-operations-to-maximize-score
3152-maximum-value-of-an-ordered-triplet-ii
3154-maximum-value-of-an-ordered-triplet-i
3227-find-missing-and-repeated-values
3348-minimum-cost-walk-in-weighted-graph
3475-minimum-operations-to-make-binary-array-elements-equal-to-one-i
3483-alternating-groups-ii
3621-minimum-operations-to-make-array-values-equal-to-k
3656-minimum-number-of-operations-to-make-elements-in-array-distinct
3657-check-if-grid-can-be-cut-into-sections

Hash Table

0003-longest-substring-without-repeating-characters
0128-longest-consecutive-sequence
0264-ugly-number-ii
0350-intersection-of-two-arrays-ii
0424-longest-repeating-character-replacement
0726-number-of-atoms
0768-partition-labels
0797-rabbits-in-forest
0896-smallest-subtree-with-all-the-deepest-nodes
0925-construct-binary-tree-from-preorder-and-postorder-traversal
1160-letter-tile-possibilities
1218-lowest-common-ancestor-of-deepest-leaves
1387-find-elements-in-a-contaminated-binary-tree
1460-number-of-substrings-containing-all-three-characters
2107-find-unique-binary-string
2163-kth-distinct-string-in-an-array
2220-find-all-possible-recipes-from-given-supplies
2306-create-binary-tree-from-descriptions
2308-divide-array-into-equal-pairs
2626-count-the-number-of-good-subarrays
2707-merge-two-2d-arrays-by-summing-values
2856-count-complete-subarrays-in-an-array
2888-minimum-index-of-a-valid-split
2915-count-of-interesting-subarrays
3227-find-missing-and-repeated-values
3548-find-the-count-of-good-integers
3569-count-of-substrings-containing-every-vowel-and-k-consonants-ii
3621-minimum-operations-to-make-array-values-equal-to-k
3656-minimum-number-of-operations-to-make-elements-in-array-distinct

Two Pointers

0011-container-with-most-water
0042-trapping-rain-water
0167-two-sum-ii-input-array-is-sorted
0350-intersection-of-two-arrays-ii
0768-partition-labels
2265-partition-array-according-to-given-pivot
2551-apply-operations-to-an-array
2588-maximum-number-of-points-from-grid-queries
2699-count-the-number-of-fair-pairs
2707-merge-two-2d-arrays-by-summing-values

Binary Search

0167-two-sum-ii-input-array-is-sorted
0350-intersection-of-two-arrays-ii
1335-maximum-candies-allocated-to-k-children
1766-minimum-number-of-removals-to-make-mountain-array
2179-most-beautiful-item-for-each-query
2280-count-good-triplets-in-an-array
2614-maximum-count-of-positive-integer-and-negative-integer
2665-minimum-time-to-repair-cars
2690-house-robber-iv
2699-count-the-number-of-fair-pairs

Sorting

0056-merge-intervals
0350-intersection-of-two-arrays-ii
0368-largest-divisible-subset
0726-number-of-atoms
1184-car-pooling
2160-minimum-operations-to-make-a-uni-value-grid
2179-most-beautiful-item-for-each-query
2588-maximum-number-of-points-from-grid-queries
2681-put-marbles-in-bags
2699-count-the-number-of-fair-pairs
2846-robot-collisions
2888-minimum-index-of-a-valid-split
3001-apply-operations-to-maximize-score
3657-check-if-grid-can-be-cut-into-sections

Linked List

2182-find-the-minimum-and-maximum-number-of-nodes-between-critical-points

String

0003-longest-substring-without-repeating-characters
0038-count-and-say
0273-integer-to-english-words
0424-longest-repeating-character-replacement
0726-number-of-atoms
0768-partition-labels
1078-remove-outermost-parentheses
1160-letter-tile-possibilities
1170-shortest-common-supersequence
1460-number-of-substrings-containing-all-three-characters
1516-the-k-th-lexicographical-string-of-all-happy-strings-of-length-n
1720-crawler-log-folder
2076-sum-of-digits-of-string-after-convert
2107-find-unique-binary-string
2163-kth-distinct-string-in-an-array
2220-find-all-possible-recipes-from-given-supplies
3243-count-the-number-of-powerful-integers
3451-string-compression-iii
3569-count-of-substrings-containing-every-vowel-and-k-consonants-ii

Stack

0042-trapping-rain-water
0726-number-of-atoms
1078-remove-outermost-parentheses
1720-crawler-log-folder
2846-robot-collisions
3001-apply-operations-to-maximize-score

Simulation

0921-spiral-matrix-iii
1184-car-pooling
2076-sum-of-digits-of-string-after-convert
2265-partition-array-according-to-given-pivot
2551-apply-operations-to-an-array
2846-robot-collisions

Tree

0896-smallest-subtree-with-all-the-deepest-nodes
0925-construct-binary-tree-from-preorder-and-postorder-traversal
0988-flip-equivalent-binary-trees
1218-lowest-common-ancestor-of-deepest-leaves
1387-find-elements-in-a-contaminated-binary-tree
1653-number-of-good-leaf-nodes-pairs
2306-create-binary-tree-from-descriptions

Binary Tree

0896-smallest-subtree-with-all-the-deepest-nodes
0925-construct-binary-tree-from-preorder-and-postorder-traversal
0988-flip-equivalent-binary-trees
1218-lowest-common-ancestor-of-deepest-leaves
1387-find-elements-in-a-contaminated-binary-tree
1653-number-of-good-leaf-nodes-pairs
2306-create-binary-tree-from-descriptions

Depth-First Search

0896-smallest-subtree-with-all-the-deepest-nodes
0988-flip-equivalent-binary-trees
1218-lowest-common-ancestor-of-deepest-leaves
1387-find-elements-in-a-contaminated-binary-tree
1653-number-of-good-leaf-nodes-pairs
1691-minimum-number-of-days-to-disconnect-island
2793-count-the-number-of-complete-components

Matrix

0921-spiral-matrix-iii
1496-lucky-numbers-in-a-matrix
1691-minimum-number-of-days-to-disconnect-island
2160-minimum-operations-to-make-a-uni-value-grid
2588-maximum-number-of-points-from-grid-queries
3227-find-missing-and-repeated-values

Dynamic Programming

0042-trapping-rain-water
0121-best-time-to-buy-and-sell-stock
0264-ugly-number-ii
0368-largest-divisible-subset
0416-partition-equal-subset-sum
0650-2-keys-keyboard
1170-shortest-common-supersequence
1196-filling-bookcase-shelves
1511-count-number-of-teams
1631-number-of-sub-arrays-with-odd-sum
1766-minimum-number-of-removals-to-make-mountain-array
1849-maximum-absolute-sum-of-any-subarray
2090-number-of-ways-to-arrive-at-destination
2262-solving-questions-with-brainpower
2415-count-the-number-of-ideal-arrays
3243-count-the-number-of-powerful-integers

Binary Indexed Tree

1511-count-number-of-teams
2280-count-good-triplets-in-an-array

Sliding Window

0003-longest-substring-without-repeating-characters
0424-longest-repeating-character-replacement
1460-number-of-substrings-containing-all-three-characters
2255-minimum-swaps-to-group-all-1s-together-ii
2478-longest-nice-subarray
2626-count-the-number-of-good-subarrays
2856-count-complete-subarrays-in-an-array
3475-minimum-operations-to-make-binary-array-elements-equal-to-one-i
3483-alternating-groups-ii
3569-count-of-substrings-containing-every-vowel-and-k-consonants-ii

Counting

1160-letter-tile-possibilities
2163-kth-distinct-string-in-an-array
2308-divide-array-into-equal-pairs
2614-maximum-count-of-positive-integer-and-negative-integer

Math

0264-ugly-number-ii
0273-integer-to-english-words
0368-largest-divisible-subset
0650-2-keys-keyboard
0795-k-th-symbol-in-grammar
0797-rabbits-in-forest
1631-number-of-sub-arrays-with-odd-sum
1889-check-if-number-is-a-sum-of-powers-of-three
1993-sum-of-all-subset-xor-totals
2050-count-good-numbers
2160-minimum-operations-to-make-a-uni-value-grid
2415-count-the-number-of-ideal-arrays
2575-minimum-cuts-to-divide-a-circle
2649-count-total-number-of-colored-cells
2802-find-the-punishment-number-of-an-integer
2998-count-symmetric-integers
3001-apply-operations-to-maximize-score
3227-find-missing-and-repeated-values
3243-count-the-number-of-powerful-integers
3548-find-the-count-of-good-integers

Recursion

0273-integer-to-english-words
0795-k-th-symbol-in-grammar
2050-count-good-numbers

Breadth-First Search

0896-smallest-subtree-with-all-the-deepest-nodes
1218-lowest-common-ancestor-of-deepest-leaves
1387-find-elements-in-a-contaminated-binary-tree
1691-minimum-number-of-days-to-disconnect-island
2588-maximum-number-of-points-from-grid-queries
2793-count-the-number-of-complete-components

Strongly Connected Component

1691-minimum-number-of-days-to-disconnect-island

Greedy

0011-container-with-most-water
0624-maximum-distance-in-arrays
0768-partition-labels
0797-rabbits-in-forest
0890-lemonade-change
1766-minimum-number-of-removals-to-make-mountain-array
2681-put-marbles-in-bags
3001-apply-operations-to-maximize-score

Heap (Priority Queue)

0264-ugly-number-ii
1184-car-pooling
2588-maximum-number-of-points-from-grid-queries
2681-put-marbles-in-bags

Bit Manipulation

0476-number-complement
0795-k-th-symbol-in-grammar
1993-sum-of-all-subset-xor-totals
2170-count-number-of-maximum-bitwise-or-subsets
2308-divide-array-into-equal-pairs
2478-longest-nice-subarray
3348-minimum-cost-walk-in-weighted-graph
3475-minimum-operations-to-make-binary-array-elements-equal-to-one-i

Backtracking

1160-letter-tile-possibilities
1516-the-k-th-lexicographical-string-of-all-happy-strings-of-length-n
1993-sum-of-all-subset-xor-totals
2107-find-unique-binary-string
2170-count-number-of-maximum-bitwise-or-subsets
2802-find-the-punishment-number-of-an-integer

Enumeration

1656-count-good-triplets
1993-sum-of-all-subset-xor-totals
2170-count-number-of-maximum-bitwise-or-subsets
2998-count-symmetric-integers
3548-find-the-count-of-good-integers

Design

1387-find-elements-in-a-contaminated-binary-tree

Divide and Conquer

0925-construct-binary-tree-from-preorder-and-postorder-traversal
2280-count-good-triplets-in-an-array

Prefix Sum

0238-product-of-array-except-self
1184-car-pooling
1631-number-of-sub-arrays-with-odd-sum
2249-count-the-hidden-sequences
2915-count-of-interesting-subarrays
3475-minimum-operations-to-make-binary-array-elements-equal-to-one-i

Database

0584-find-customer-referee
0595-big-countries
1258-article-views-i
1827-invalid-tweets
1908-recyclable-and-low-fat-products

Union Find

0128-longest-consecutive-sequence
2588-maximum-number-of-points-from-grid-queries
2793-count-the-number-of-complete-components
3348-minimum-cost-walk-in-weighted-graph

Monotonic Stack

0042-trapping-rain-water
3001-apply-operations-to-maximize-score

Queue

3475-minimum-operations-to-make-binary-array-elements-equal-to-one-i

Graph

2090-number-of-ways-to-arrive-at-destination
2220-find-all-possible-recipes-from-given-supplies
2793-count-the-number-of-complete-components
3348-minimum-cost-walk-in-weighted-graph

Topological Sort

2090-number-of-ways-to-arrive-at-destination
2220-find-all-possible-recipes-from-given-supplies

Geometry

2575-minimum-cuts-to-divide-a-circle

Shortest Path

2090-number-of-ways-to-arrive-at-destination

Number Theory

2415-count-the-number-of-ideal-arrays
3001-apply-operations-to-maximize-score

Combinatorics

1993-sum-of-all-subset-xor-totals
2415-count-the-number-of-ideal-arrays
3548-find-the-count-of-good-integers

Segment Tree

2280-count-good-triplets-in-an-array

Merge Sort

2280-count-good-triplets-in-an-array

Ordered Set

2280-count-good-triplets-in-an-array

About

Collection of LeetCode questions to ace the coding interview!

Resources

Stars

Watchers

Forks

Releases

No releases published

Packages

No packages published

Languages