Ola Coding Questions - DSA Problems & Solutions

Company Overview

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

Coding Focus

Ola OA coding section includes 2-3 problems focusing on DSA and transportation systems concepts. Master arrays, trees, graphs, and system design to succeed.

Ola Coding Questions Overview

Ola OA Coding Section:

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

Coding Problems

Question 1: Ride Matching

Q1: Match riders with nearest available drivers.

Solution (Java):

public Driver matchDriver(Rider rider, List<Driver> availableDrivers) {
    Driver bestMatch = null;
    double minDistance = Double.MAX_VALUE;

    for (Driver driver : availableDrivers) {
        double distance = calculateDistance(rider.location, driver.location);
        if (distance < minDistance) {
            minDistance = distance;
            bestMatch = driver;
        }
    }

    return bestMatch;
}

Time Complexity: O(n)

Related Resources

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