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A collection of LeetCode questions to ace the coding interviews! - Created using LeetHub 2.0 for Firefox

LeetCode Topics

Math

0070-climbing-stairs
2348-count-number-of-texts
3635-smallest-divisible-digit-product-ii

Dynamic Programming

0070-climbing-stairs
2348-count-number-of-texts

Memoization

0070-climbing-stairs

Array

0407-trapping-rain-water-ii
0854-making-a-large-island
1485-minimum-cost-to-make-at-least-one-valid-path-in-a-grid
1876-map-of-highest-peak
2145-grid-game
2533-bitwise-xor-of-all-pairings
2685-first-completely-painted-row-or-column
2764-maximum-number-of-fish-in-a-grid
2766-find-the-prefix-common-array-of-two-arrays
2792-neighboring-bitwise-xor
3219-make-lexicographically-smallest-array-by-swapping-elements

Hash Table

2348-count-number-of-texts
2685-first-completely-painted-row-or-column
2766-find-the-prefix-common-array-of-two-arrays

Bit Manipulation

2509-minimize-xor
2533-bitwise-xor-of-all-pairings
2766-find-the-prefix-common-array-of-two-arrays
2792-neighboring-bitwise-xor

Greedy

2509-minimize-xor
3635-smallest-divisible-digit-product-ii

Brainteaser

2533-bitwise-xor-of-all-pairings

Breadth-First Search

0407-trapping-rain-water-ii
0820-find-eventual-safe-states
0854-making-a-large-island
1485-minimum-cost-to-make-at-least-one-valid-path-in-a-grid
1558-course-schedule-iv
1876-map-of-highest-peak
2583-divide-nodes-into-the-maximum-number-of-groups
2764-maximum-number-of-fish-in-a-grid

Graph

0820-find-eventual-safe-states
1485-minimum-cost-to-make-at-least-one-valid-path-in-a-grid
1558-course-schedule-iv
2246-maximum-employees-to-be-invited-to-a-meeting
2583-divide-nodes-into-the-maximum-number-of-groups

Heap (Priority Queue)

0407-trapping-rain-water-ii
1485-minimum-cost-to-make-at-least-one-valid-path-in-a-grid

Matrix

0407-trapping-rain-water-ii
0854-making-a-large-island
1485-minimum-cost-to-make-at-least-one-valid-path-in-a-grid
1876-map-of-highest-peak
2145-grid-game
2685-first-completely-painted-row-or-column
2764-maximum-number-of-fish-in-a-grid

Shortest Path

1485-minimum-cost-to-make-at-least-one-valid-path-in-a-grid

String

2348-count-number-of-texts
3635-smallest-divisible-digit-product-ii

Backtracking

3635-smallest-divisible-digit-product-ii

Number Theory

3635-smallest-divisible-digit-product-ii

Prefix Sum

2145-grid-game

Depth-First Search

0820-find-eventual-safe-states
0854-making-a-large-island
1558-course-schedule-iv
2246-maximum-employees-to-be-invited-to-a-meeting
2764-maximum-number-of-fish-in-a-grid

Topological Sort

0820-find-eventual-safe-states
1558-course-schedule-iv
2246-maximum-employees-to-be-invited-to-a-meeting

Union Find

0854-making-a-large-island
2583-divide-nodes-into-the-maximum-number-of-groups
2764-maximum-number-of-fish-in-a-grid
3219-make-lexicographically-smallest-array-by-swapping-elements

Sorting

3219-make-lexicographically-smallest-array-by-swapping-elements