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Visa Hackerrank OA Online Assessment - IIT (ISM) Dhanbad

The Coder Coder team is building a feature that helps students discover new people they might know through their existing friends.

You are given a list of friendship relationships. Each

…

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

Ending preview

…

Then remove the target and all direct friends, sort the remaining candidates, and pick the best 3. 🔥

solution.cpp

Run code to see test results

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Visa Hackerrank OA Online Assessment - IIT (ISM) Dhanbad

MediumMed•161 views

The Coder Coder team is building a feature that helps students discover new people they might know through their existing friends.

You are given a list of friendship relationships. Each

…

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.

Ending preview

…

Then remove the target and all direct friends, sort the remaining candidates, and pick the best 3. 🔥

MediumMed•161 views

Asked at

Visa Hackerrank OA

Author: Amit Dayal

Software Engineer

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

Reviewed by Senior Engineers

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Last updated Sep 2026