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TTL Cache - BlackRock Online Assessment NIT Raipur - BlackRock Interview Question | Codinzhub

Implement a prototype of a time-to-live (TTL) cache.

You are given a 2D integer array

…

Given an array of values, determine the required result under the following conditions.

Input: [4, 8, 15, 16, 23, 42]

Output: 3

Constraints: 1 ≤ n ≤ 10⁵

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TTL Cache - BlackRock Online Assessment NIT Raipur

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Implement a prototype of a time-to-live (TTL) cache.

You are given a 2D integer array

…

Given an array of values, determine the required result under the following conditions.

Input: [4, 8, 15, 16, 23, 42]

Output: 3

Constraints: 1 ≤ n ≤ 10⁵

Unlock the full statement, examples, constraints, and solution guidance.

MediumMed•159 views

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Last updated Sep 2026