Unacademy Coding Questions - DSA Problems & Solutions

Company Overview

This page contains Unacademy coding questions from Unacademy OA placement papers with detailed solutions.

Coding Focus

Unacademy OA coding section includes 2-3 problems focusing on DSA and video streaming concepts. Master arrays, trees, graphs, and system design to succeed.

Unacademy Coding Questions Overview

Unacademy OA Coding Section:

• Problems: 2-3 coding problems
• Time: 90 minutes
• Languages: Java, Python, JavaScript

Coding Problems

Question 1: Video Streaming Optimization

Q1: Optimize video streaming with buffering and quality selection.

Solution (Java):

class VideoStreamer {
    public int selectQuality(int bandwidth, int[] availableQualities) {
        int bestQuality = 0;
        for (int quality : availableQualities) {
            if (quality <= bandwidth && quality > bestQuality) {
                bestQuality = quality;
            }
        }
        return bestQuality;
    }
}

Time Complexity: O(n)

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