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OnkarNanaware/Leetcode-Journey

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Leetcode-Journey

A collection of LeetCode questions to ace the coding interview! - Created using LeetHub v2

LeetCode Topics

Array

0189-rotate-array
0542-01-matrix
1260-shift-2d-grid
1288-remove-covered-intervals
1301-number-of-paths-with-max-score
1331-rank-transform-of-an-array
1765-map-of-highest-peak
1833-maximum-ice-cream-bars
1967-number-of-strings-that-appear-as-substrings-in-word
1979-find-greatest-common-divisor-of-array
2812-find-the-safest-path-in-a-grid
3020-find-the-maximum-number-of-elements-in-subset
3286-find-a-safe-walk-through-a-grid
3501-maximize-active-section-with-trade-ii
3513-number-of-unique-xor-triplets-i
3532-path-existence-queries-in-a-graph-i
3534-path-existence-queries-in-a-graph-ii
3620-network-recovery-pathways
3737-count-subarrays-with-majority-element-i
3739-count-subarrays-with-majority-element-ii

Greedy

0316-remove-duplicate-letters
1081-smallest-subsequence-of-distinct-characters
1833-maximum-ice-cream-bars
3534-path-existence-queries-in-a-graph-ii

Sorting

1288-remove-covered-intervals
1331-rank-transform-of-an-array
1833-maximum-ice-cream-bars
3534-path-existence-queries-in-a-graph-ii

Counting Sort

1189-maximum-number-of-balloons
1833-maximum-ice-cream-bars
3737-count-subarrays-with-majority-element-i

Hash Table

1189-maximum-number-of-balloons
1331-rank-transform-of-an-array
1358-number-of-substrings-containing-all-three-characters
3020-find-the-maximum-number-of-elements-in-subset
3532-path-existence-queries-in-a-graph-i
3737-count-subarrays-with-majority-element-i
3739-count-subarrays-with-majority-element-ii

String

0316-remove-duplicate-letters
1071-greatest-common-divisor-of-strings
1081-smallest-subsequence-of-distinct-characters
1189-maximum-number-of-balloons
1358-number-of-substrings-containing-all-three-characters
1967-number-of-strings-that-appear-as-substrings-in-word
3499-maximize-active-section-with-trade-i
3501-maximize-active-section-with-trade-ii
3756-concatenate-non-zero-digits-and-multiply-by-sum-ii

Dynamic Programming

0542-01-matrix
1301-number-of-paths-with-max-score
3534-path-existence-queries-in-a-graph-ii
3620-network-recovery-pathways
3699-number-of-zigzag-arrays-i
3700-number-of-zigzag-arrays-ii

Prefix Sum

3699-number-of-zigzag-arrays-i
3737-count-subarrays-with-majority-element-i
3739-count-subarrays-with-majority-element-ii
3756-concatenate-non-zero-digits-and-multiply-by-sum-ii

Math

0189-rotate-array
1071-greatest-common-divisor-of-strings
1979-find-greatest-common-divisor-of-array
2413-smallest-even-multiple
3513-number-of-unique-xor-triplets-i
3658-gcd-of-odd-and-even-sums
3700-number-of-zigzag-arrays-ii
3754-concatenate-non-zero-digits-and-multiply-by-sum-i
3756-concatenate-non-zero-digits-and-multiply-by-sum-ii

Divide and Conquer

3737-count-subarrays-with-majority-element-i
3739-count-subarrays-with-majority-element-ii

Segment Tree

3501-maximize-active-section-with-trade-ii
3737-count-subarrays-with-majority-element-i
3739-count-subarrays-with-majority-element-ii

Merge Sort

3737-count-subarrays-with-majority-element-i
3739-count-subarrays-with-majority-element-ii

Depth-First Search

0207-course-schedule
0785-is-graph-bipartite
2685-count-the-number-of-complete-components

Breadth-First Search

0207-course-schedule
0542-01-matrix
0785-is-graph-bipartite
1765-map-of-highest-peak
2685-count-the-number-of-complete-components
2812-find-the-safest-path-in-a-grid
3286-find-a-safe-walk-through-a-grid

Graph Theory

0207-course-schedule
0785-is-graph-bipartite
2685-count-the-number-of-complete-components
3286-find-a-safe-walk-through-a-grid
3532-path-existence-queries-in-a-graph-i
3534-path-existence-queries-in-a-graph-ii
3620-network-recovery-pathways

Topological Sort

0207-course-schedule
3620-network-recovery-pathways

Enumeration

1291-sequential-digits
3020-find-the-maximum-number-of-elements-in-subset
3499-maximize-active-section-with-trade-i

Union-Find

0785-is-graph-bipartite
2685-count-the-number-of-complete-components
2812-find-the-safest-path-in-a-grid
3532-path-existence-queries-in-a-graph-i

Matrix

0542-01-matrix
1260-shift-2d-grid
1301-number-of-paths-with-max-score
1765-map-of-highest-peak
2812-find-the-safest-path-in-a-grid
3286-find-a-safe-walk-through-a-grid

Sliding Window

1358-number-of-substrings-containing-all-three-characters

Binary Search

2812-find-the-safest-path-in-a-grid
3501-maximize-active-section-with-trade-ii
3532-path-existence-queries-in-a-graph-i
3534-path-existence-queries-in-a-graph-ii
3620-network-recovery-pathways

Heap (Priority Queue)

2812-find-the-safest-path-in-a-grid
3286-find-a-safe-walk-through-a-grid
3620-network-recovery-pathways

Shortest Path

3286-find-a-safe-walk-through-a-grid
3620-network-recovery-pathways

Two Pointers

0189-rotate-array
3534-path-existence-queries-in-a-graph-ii

Bit Manipulation

3513-number-of-unique-xor-triplets-i
3534-path-existence-queries-in-a-graph-ii

Number Theory

1979-find-greatest-common-divisor-of-array
2413-smallest-even-multiple
3658-gcd-of-odd-and-even-sums

Stack

0316-remove-duplicate-letters
1081-smallest-subsequence-of-distinct-characters

Monotonic Stack

0316-remove-duplicate-letters
1081-smallest-subsequence-of-distinct-characters

Simulation

1260-shift-2d-grid

Releases

Packages

Contributors

Languages

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