LeetCode
Experience
#380 Insert Delete GetRandom O(1)
Interview Experience
LeetCode #380: Insert Delete GetRandom O(1). Difficulty: Medium. Topics: Array, Hash Table, Math, Design, Randomized. Asked at Bloomberg in the last 6 months.
Original Source
This is a frequency-tagged signal. The full problem statement lives on the original source.
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Design
Randomized
Arrays
Hash Table
Math