LetsCode
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9:01
Leetcode 2311. Longest Binary Subsequence Less Than or Equal to K (greedy)
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4 views • 2 days ago
13:42
Leetcode 1702. Maximum Binary String After Change (greedy)
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7 views • 2 days ago
5:34
Leetcode 1461. Check If a String Contains All Binary Codes of Size K (set)
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5 views • 3 days ago
17:18
Leetcode 2858. Minimum Edge Reversals So Every Node Is Reachable (dp on trees)
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9 views • 3 days ago
17:48
Leetcode 2581. Count Number of Possible Root Nodes (dp on trees - reroot)
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13 views • 3 days ago
11:14
Leetcode 2792. Count Nodes That Are Great Enough (tree postorder)
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19 views • 5 days ago
3:46
Leetcode 1612. Check If Two Expression Trees are Equivalent (tree traversal)
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7 views • 5 days ago
5:28
Leetcode 1265. Print Immutable Linked List in Reverse (linked list)
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14 views • 6 days ago
10:38
Leetcode 430. Flatten a Multilevel Doubly Linked List (linked list)
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8 views • 6 days ago
19:05
Leetcode 146. LRU Cache (most asked linked list problem)
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52 views • 6 days ago
15:59
Leetcode 1171. Remove Zero Sum Consecutive Nodes from Linked List (prefix sum)
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23 views • 7 days ago
5:42
Leetcode 1634. Add Two Polynomials Represented as Linked Lists (merge linked list)
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21 views • 7 days ago
7:09
Leetcode 1509. Minimum Difference Between Largest and Smallest Value in Three Moves (greedy)
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19 views • 8 days ago
7:03
Leetcode 2567. Minimum Score by Changing Two Elements (greedy)
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12 views • 8 days ago
5:49
Leetcode 2178. Maximum Split of Positive Even Integers (min max greedy)
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9 views • 8 days ago
7:50
Leetcode 1079. Letter Tile Possibilities (backtracking)
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21 views • 9 days ago
10:05
Leetcode 2531. Make Number of Distinct Characters Equal (Counter)
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14 views • 9 days ago
11:31
Leetcode 1247. Minimum Swaps to Make Strings Equal (math)
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16 views • 9 days ago
11:55
Leetcode 1215. Stepping Numbers (bfs)
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9 views • 9 days ago
10:30
Leetcode 1182. Shortest Distance to Target Color (binary search)
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19 views • 10 days ago
7:33
Leetcode 1181. Before and After Puzzle (brute force)
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6 views • 10 days ago
14:04
Leetcode 1705. Maximum Number of Eaten Apples (heap)
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14 views • 11 days ago
7:21
Leetcode 2931. Maximum Spending After Buying Items (heap)
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17 views • 11 days ago
12:21
Leetcode 2462. Total Cost to Hire K Workers (2 heaps)
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36 views • 12 days ago
21:51
Leetcode 1942. The Number of the Smallest Unoccupied Chair (2 heaps)
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12 views • 12 days ago
8:15
Leetcode 2233. Maximum Product After K Increments (heap)
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8 views • 12 days ago
4:34
Leetcode 347. Top K Frequent Elements (heap)
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32 views • 13 days ago
10:51
Leetcode 2850. Minimum Moves to Spread Stones Over Grid (permutation)
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20 views • 13 days ago
11:12
Leetcode 2608. Shortest Cycle in a Graph (bfs)
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15 views • 13 days ago
16:51
Leetcode 900. RLE Iterator (queue)
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20 views • 2 weeks ago
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