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Minimum Password Changes - Data Structures and Algorithms (DSA) - Cognizant Online Assessment Second Round Technical ACE Round - Cognizant Interview Question | Codinzhub

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Minimum Password Changes - Data Structures and Algorithms (DSA) - Cognizant Online Assessment Second Round Technical ACE Round

The current password is represented by the string currentPassword, consisting only of

…

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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solution.cpp

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Minimum Password Changes - Data Structures and Algorithms (DSA) - Cognizant Online Assessment Second Round Technical ACE Round

MediumMed•231 views

The current password is represented by the string currentPassword, consisting only of

…

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

Access the full question

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

MediumMed•231 views

Asked at

Cognizant

Author: Amit Dayal

Software Engineer

Expert in Data Structures & Algorithms. Building tools to help developers crack FAANG interviews.

Reviewed by Senior Engineers

GitHub

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Last updated Oct 2026