Swiggy Coding Questions - DSA Problems & Solutions

Company Overview

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

Coding Focus

Swiggy OA coding section includes 2-3 problems focusing on DSA and food delivery concepts. Master arrays, trees, graphs, and system design to succeed.

Swiggy Coding Questions Overview

Swiggy OA Coding Section:

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

Coding Problems

Question 1: Delivery Route Optimization

Q1: Optimize delivery routes for multiple orders.

Solution (Java):

public List<Order> optimizeDeliveryRoute(List<Order> orders, Location restaurant) {
    // Use nearest neighbor algorithm
    List<Order> route = new ArrayList<>();
    Location current = restaurant;
    Set<Order> remaining = new HashSet<>(orders);

    while (!remaining.isEmpty()) {
        Order nearest = findNearestOrder(current, remaining);
        route.add(nearest);
        current = nearest.deliveryLocation;
        remaining.remove(nearest);
    }

    return route;
}

Time Complexity: O(n²)

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