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115 Problems
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Shortest Subarray With Sum ≥ Target
Binary Search Prefix Sum Sliding Window
Medium
44.7%
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Evaluate Reverse Polish Notation
Math Stack
Medium
40.3%
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Next Greater Element (Circular)
Monotonic Stack Stack
Medium
54.2%
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Days Until Warmer
Monotonic Stack Stack
Medium
39.5%
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Container With Most Water
Array Greedy Two Pointers
Medium
46.4%
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3Sum Closest
Array Sorting Two Pointers
Medium
42.6%
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Longest Consecutive Sequence
Array Hash Table Union Find
Medium
46.7%
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Top K Frequent Elements
Hash Table Sorting
Medium
45.8%
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Subarrays Summing to K
Array Hash Table Prefix Sum
Medium
41.9%
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Product of Array Except Self
Array Prefix Sum
Medium
44.6%
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Isomorphic Strings
Hash Table String
Easy
70.4%
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Ransom Note
Hash Table String
Easy
63.6%
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Third Distinct Maximum
Array Sorting
Easy
63.8%
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Max Consecutive Ones
Array
Easy
67.9%
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Happy Number
Hash Table Math
Easy
63.5%
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Add Binary Strings
Bit Manipulation Math String
Easy
63.0%
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Plus One
Array Math
Easy
69.8%
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Intersection of Two Arrays
Array Hash Table
Easy
66.5%
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Squares of a Sorted Array
Array Sorting Two Pointers
Easy
69.7%
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First Unique Character
Hash Table String
Easy
64.7%
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