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Tag: leetcode/hard
21 items with this tag.
May 09, 2026
LeetCode 23 — Merge K Sorted Lists
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/linked-list
patron/heap
patron/divide-conquer
May 09, 2026
LeetCode 25 — Reverse Nodes in K-Group
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/linked-list
patron/reverse-segmento
May 09, 2026
LeetCode 124 — Binary Tree Maximum Path Sum
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/trees
patron/recursion-global-tracker
May 09, 2026
LeetCode 297 — Serialize and Deserialize Binary Tree
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/trees
patron/serializacion
patron/preorder
May 09, 2026
LeetCode 212 — Word Search II
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/tries
patron/backtracking
patron/grid
May 09, 2026
LeetCode 295 — Find Median from Data Stream
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/heap
patron/two-heaps
May 09, 2026
LeetCode 51 — N-Queens
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/backtracking
patron/multiple-constraints
May 09, 2026
LeetCode 127 — Word Ladder
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/graphs
patron/bfs
patron/shortest-path
May 09, 2026
LeetCode 269 — Alien Dictionary
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/advanced-graphs
patron/topological-sort
May 09, 2026
LeetCode 332 — Reconstruct Itinerary
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/advanced-graphs
patron/eulerian-path
May 09, 2026
LeetCode 778 — Swim in Rising Water
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/advanced-graphs
patron/dijkstra-variant
May 09, 2026
LeetCode 10 — Regular Expression Matching
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/dp-2d
patron/regex
May 09, 2026
LeetCode 115 — Distinct Subsequences
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/dp-2d
May 09, 2026
LeetCode 312 — Burst Balloons
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/dp-2d
patron/interval-dp
May 09, 2026
LeetCode 329 — Longest Increasing Path in a Matrix
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/dp-2d
patron/dfs-memo
May 09, 2026
LeetCode 1851 — Minimum Interval to Include Each Query
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/intervals
patron/heap
patron/offline-queries
May 08, 2026
LeetCode 239 — Sliding Window Maximum
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/sliding-window
patron/deque-monotonica
patron/analisis-amortizado
May 08, 2026
LeetCode 76 — Minimum Window Substring
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/sliding-window
patron/conteo-frecuencias
patron/have-need
May 08, 2026
LeetCode 84 — Largest Rectangle in Histogram
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/stack
patron/stack-monotonica
patron/analisis-amortizado
May 08, 2026
LeetCode 4 — Median of Two Sorted Arrays
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/binary-search
patron/particion
May 07, 2026
LeetCode 42 — Trapping Rain Water
programacion/leetcode
programacion/algoritmos
programacion/python
leetcode/hard
patron/two-pointers
patron/prefix-suffix
patron/greedy