How do I approach Coding & Algorithms interview questions?

Coding & Algorithms questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master coding & algorithms interviews.

What difficulty level is this interview question?

This is a easy difficulty Coding & Algorithms question, commonly asked during Technical Screen rounds at Other.

What role is this question designed for?

This question is commonly asked for Data Scientist candidates at Other during technical interviews.

Find two numbers that sum to target

Last updated: Mar 29, 2026

Quick Overview

This question evaluates a candidate's competency in array manipulation, index reasoning, and efficient algorithmic techniques for pair-sum problems. It is commonly asked in technical interviews to measure problem-solving ability, understanding of algorithmic complexity, and practical implementation skills within the Coding & Algorithms domain, focusing on practical application rather than purely conceptual theory.

Other

Sep 28, 2025, 12:00 AM

Data Scientist

Technical Screen

Coding & Algorithms

Problem

You are given an integer array nums (length n) and an integer target.

Return the indices (i, j) such that:

i != j
nums[i] + nums[j] == target

Assume:

Exactly one valid pair exists.
You may return the indices in any order.

Example

Input: nums = [2, 7, 11, 15] , target = 9
Output: (0, 1)

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