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🚀 My structured journey of solving 1000+ LeetCode problems — consistent practice in Java with focus on optimization and clarity.

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.github/workflows
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01-matrix
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0115-distinct-subsequences
0115-distinct-subsequences
 
 
0611-valid-triangle-number
0611-valid-triangle-number
 
 
0794-swim-in-rising-water
0794-swim-in-rising-water
 
 
0830-largest-triangle-area
0830-largest-triangle-area
 
 
1-bit-and-2-bit-characters
1-bit-and-2-bit-characters
 
 
1166-toss-strange-coins
1166-toss-strange-coins
 
 
1213-handshakes-that-dont-cross
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1222-remove-covered-intervals
1222-remove-covered-intervals
 
 
1224-minimum-falling-path-sum-ii
1224-minimum-falling-path-sum-ii
 
 
1241-decompress-run-length-encoded-list
1241-decompress-run-length-encoded-list
 
 
1273-compare-strings-by-frequency-of-the-smallest-character
1273-compare-strings-by-frequency-of-the-smallest-character
 
 
1276-closest-divisors
1276-closest-divisors
 
 
1284-four-divisors
1284-four-divisors
 
 
1287-distance-between-bus-stops
1287-distance-between-bus-stops
 
 
132-pattern
132-pattern
 
 
1349-check-if-it-is-a-straight-line
1349-check-if-it-is-a-straight-line
 
 
1353-find-resultant-array-after-removing-anagrams
1353-find-resultant-array-after-removing-anagrams
 
 
1388-greatest-sum-divisible-by-three
1388-greatest-sum-divisible-by-three
 
 
1434-decrypt-string-from-alphabet-to-integer-mapping
1434-decrypt-string-from-alphabet-to-integer-mapping
 
 
1436-get-watched-videos-by-your-friends
1436-get-watched-videos-by-your-friends
 
 
1445-number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold
1445-number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold
 
 
1449-print-words-vertically
1449-print-words-vertically
 
 
1464-reduce-array-size-to-the-half
1464-reduce-array-size-to-the-half
 
 
1468-check-if-n-and-its-double-exist
1468-check-if-n-and-its-double-exist
 
 
1486-find-the-distance-value-between-two-arrays
1486-find-the-distance-value-between-two-arrays
 
 
1488-sort-integers-by-the-power-value
1488-sort-integers-by-the-power-value
 
 
1490-generate-a-string-with-characters-that-have-odd-counts
1490-generate-a-string-with-characters-that-have-odd-counts
 
 
1493-frog-position-after-t-seconds
1493-frog-position-after-t-seconds
 
 
1510-find-lucky-integer-in-an-array
1510-find-lucky-integer-in-an-array
 
 
1515-find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k
1515-find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k
 
 
2-keys-keyboard
2-keys-keyboard
 
 
2751-sliding-subarray-beauty
2751-sliding-subarray-beauty
 
 
3336-water-bottles-ii
3336-water-bottles-ii
 
 
3sum-closest
3sum-closest
 
 
3sum-smaller
3sum-smaller
 
 
3sum
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4058-compute-alternating-sum
4058-compute-alternating-sum
 
 
a-number-after-a-double-reversal
a-number-after-a-double-reversal
 
 
actors-and-directors-who-cooperated-at-least-three-times
actors-and-directors-who-cooperated-at-least-three-times
 
 
add-digits
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add-one-row-to-tree
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add-strings
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add-to-array-form-of-integer
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add-two-integers
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add-two-numbers-ii
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add-two-numbers
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all-ancestors-of-a-node-in-a-directed-acyclic-graph
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all-elements-in-two-binary-search-trees
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all-nodes-distance-k-in-binary-tree
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all-paths-from-source-to-target
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all-people-report-to-the-given-manager
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alternating-groups-i
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alternating-groups-ii
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amount-of-time-for-binary-tree-to-be-infected
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angle-between-hands-of-a-clock
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append-characters-to-string-to-make-subsequence
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apples-oranges
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arithmetic-slices
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armstrong-number
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arranging-coins
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array-nesting
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baseball-game
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binary-tree-inorder-traversal
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binary-tree-level-order-traversal-ii
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binary-tree-level-order-traversal
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binary-tree-longest-consecutive-sequence
binary-tree-longest-consecutive-sequence
 
 

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🧠 LeetCode Solutions — Rana Randip Kumar

GitHub Stars GitHub Forks Last Commit LeetCode

Curated solutions to LeetCode problems in Java , focused on clarity, optimal complexity, and consistent practice.

LeetCode Card

📊 Live LeetCode Stats

User: rana_782

  • ✅ Solved: 1084 (Easy 395 · Med 607 · Hard 82)
  • 🏆 Global Rank: 18399
  • 📈 Contest Rating: 1545.84 · Contests: 4
  • 🎖️ Badges: Annual Badge, Annual Badge, Annual Badge, Annual Badge

Last updated: 18 Oct 2025, 07:26 AM IST

🗂️ Repository Layout

LeetCode Topics

Array
0611-valid-triangle-number
0794-swim-in-rising-water
0830-largest-triangle-area
1166-toss-strange-coins
1222-remove-covered-intervals
1224-minimum-falling-path-sum-ii
1241-decompress-run-length-encoded-list
1273-compare-strings-by-frequency-of-the-smallest-character
1284-four-divisors
1287-distance-between-bus-stops
1349-check-if-it-is-a-straight-line
1353-find-resultant-array-after-removing-anagrams
1388-greatest-sum-divisible-by-three
1436-get-watched-videos-by-your-friends
1449-print-words-vertically
1464-reduce-array-size-to-the-half
1486-find-the-distance-value-between-two-arrays
2751-sliding-subarray-beauty

Two Pointers
0611-valid-triangle-number
1486-find-the-distance-value-between-two-arrays

Binary Search
0611-valid-triangle-number
0794-swim-in-rising-water
1273-compare-strings-by-frequency-of-the-smallest-character
1486-find-the-distance-value-between-two-arrays

Greedy
0611-valid-triangle-number
1388-greatest-sum-divisible-by-three
1464-reduce-array-size-to-the-half
1515-find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k

Sorting
0611-valid-triangle-number
1222-remove-covered-intervals
1273-compare-strings-by-frequency-of-the-smallest-character
1353-find-resultant-array-after-removing-anagrams
1388-greatest-sum-divisible-by-three
1436-get-watched-videos-by-your-friends
1464-reduce-array-size-to-the-half
1486-find-the-distance-value-between-two-arrays
1488-sort-integers-by-the-power-value

Math
0830-largest-triangle-area
1166-toss-strange-coins
1276-closest-divisors
1284-four-divisors
1349-check-if-it-is-a-straight-line
1515-find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k
3336-water-bottles-ii

Geometry
0830-largest-triangle-area
1349-check-if-it-is-a-straight-line

String
0115-distinct-subsequences
1273-compare-strings-by-frequency-of-the-smallest-character
1353-find-resultant-array-after-removing-anagrams
1434-decrypt-string-from-alphabet-to-integer-mapping
1449-print-words-vertically
1490-generate-a-string-with-characters-that-have-odd-counts

Dynamic Programming
0115-distinct-subsequences
1166-toss-strange-coins
1224-minimum-falling-path-sum-ii
1388-greatest-sum-divisible-by-three
1488-sort-integers-by-the-power-value

Hash Table
1273-compare-strings-by-frequency-of-the-smallest-character
1353-find-resultant-array-after-removing-anagrams
1436-get-watched-videos-by-your-friends
1464-reduce-array-size-to-the-half
2751-sliding-subarray-beauty

Probability and Statistics
1166-toss-strange-coins

Depth-First Search
0794-swim-in-rising-water
1493-frog-position-after-t-seconds

Breadth-First Search
0794-swim-in-rising-water
1436-get-watched-videos-by-your-friends
1493-frog-position-after-t-seconds

Union Find
0794-swim-in-rising-water

Heap (Priority Queue)
0794-swim-in-rising-water
1464-reduce-array-size-to-the-half

Matrix
0794-swim-in-rising-water
1224-minimum-falling-path-sum-ii

Simulation
1449-print-words-vertically
3336-water-bottles-ii

Sliding Window
2751-sliding-subarray-beauty

Graph
1436-get-watched-videos-by-your-friends
1493-frog-position-after-t-seconds

Tree
1493-frog-position-after-t-seconds

Memoization
1488-sort-integers-by-the-power-value

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🚀 My structured journey of solving 1000+ LeetCode problems — consistent practice in Java with focus on optimization and clarity.

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