Thomas Cook Software Developer Interview Questions and Answers

Find the subset of an array with the largest sum of continuous positive numbers.

• Iterate through the array and keep track of the current sum and the maximum sum seen so far.

• If the current element is positive, add it to the current sum. If it is negative, reset the current sum to 0.

• Also keep track of the start and end indices of the maximum sum subset.

• Return the subset using the start and end indices.

Find smallest substring in s1 containing all characters of s2.

• Create a hash table of characters in s2

• Use sliding window technique to find smallest substring in s1

• Check if all characters in s2 are present in the substring

• Update the smallest substring if a smaller one is found

Algorithm to reverse a linked list

• Create a new empty linked list

• Traverse the original linked list and insert each node at the beginning of the new list

• Return the new list

Lazy loading is a technique used to defer the loading of non-critical resources until they are needed.

• Advantages: faster initial page load, reduced bandwidth usage, improved user experience

• Disadvantages: increased complexity, potential for slower subsequent page loads, difficulty with SEO

• Examples: images, videos, and other media files can be loaded only when they are visible on the screen

Ajax is a technique for creating fast and dynamic web pages. AngularJS is a framework for building dynamic web applications, while jQuery is a library for simplifying HTML DOM traversal and manipulation.

• Ajax stands for Asynchronous JavaScript and XML

• It allows web pages to be updated asynchronously by exchanging data with a web server behind the scenes

• AngularJS is a JavaScript framework that extends HTML with new attrib...read more

A traffic light system controls the flow of traffic at intersections.

• The system consists of three lights: red, yellow, and green.

• Each light has a specific duration for which it stays on.

• The system also includes sensors to detect the presence of vehicles and pedestrians.

• The duration of each light can be adjusted based on traffic patterns.

• The system can be connected to a central control system for remote monitoring and m