Amazon Interview Questions and Answers for 2025

There are several approaches to merging two sorted linked lists. One method is to keep the location of the first list's head in a temporary variable and then traverse the lists, adding each member of the first list into the second list before going on to the next element in the first list. 

Another approach would be to create a temporary variable to record the location of the second list's head and then traverse the lists, putting each member of the first list into the second list before going on to the next element in the first list. 

String segmentation is the process of dividing a string into smaller strings or segments. Depending on the desired objective, this can be accomplished in a variety of ways. Character delimitation, word delimitation, and sentence delimitation are all common ways of string segmentation. 

When you segment a string, you effectively divide it into smaller strings. These smaller strings can then be processed one at a time. String segmentation, for example, might be used to separate a list of names into discrete strings. This allows you to loop through the list and handle each name individually.

To determine the kth permutation, use the factorial function to compute the product of all possible permutations of the first k items in the collection, then divide by k!. The brute force technique would need n!/(k! (n-k)!) steps to test every conceivable permutation. However, other techniques can be used to accelerate this process. 

The Knuth shuffle is one such method that takes O(n*k) time. The insertion sort, for example, takes O(n*log(n)) time. Finally, the bubble sort has an O(n*log(n)*k) time complexity. 

The two most significant notions in C++ are classes and objects. A class is an object-creation template. It is a design for a thing. Classes are defined by their members, which comprise the class's data and functions. 

An object is a class instance. It is a special instance of the class-defined template. The new keyword is used to construct objects. When an object is formed, the class members are copied into it.

There are a few crucial things you may do to ensure your success when interviewing with Amazon. First and foremost, investigate the firm and the position you are interviewing for. Understand the company's beliefs and culture and be prepared to discuss how your talents and expertise correspond to those ideals. 

It's also a good idea to prepare for frequent interview questions. Practice answering questions aloud so you can communicate properly and confidently. Make sure to offer your questions during the interview to demonstrate your interest in the position. Finally, send a thank you message following the interview to express your appreciation.

One of the nicest (and scariest!) features of C++ is the ability to interact directly with a program's memory use. As a programmer, you can go get some memory from the operating system, utilise it, and then release it. However, you must keep an eye out for memory leaks. 

Each process must be allotted memory for execution. This necessitates the deallocation of completed processes in order to liberate memory for new processes. 

We consume memory on the heap when we use dynamic memory (whereas local variables are allocated on the Stack). Figure 1 illustrates how memory translates to code. It's worth noting that heap memory is also known as free memory. 

Consider a memory leak to be an oil change for your automobile. You will leak oil if you do not tighten all the nuts and seals. 

The same is true in C++ for memory. Memory leaks out when you put aside a large amount of memory for usage and never return it. If this continues for an extended period, or if the leaks get large enough, your engine (computer) will seize (crash). 

This is one of the questions in Amazon interview experience for Software Development Engineer 

The malloc() function is a C carryover. You may still use it in C++ to allocate a memory block for your program's needs. In the unlikely case that the allocation fails, you'll want to make sure you can capture the mistake. 

Malloc() has the following syntax: 
void* malloc(size_t size); 

If you wish to build a string for a user name and have allocated 25 bytes for that name, use the following code: 

char *user;  
user = (char *) malloc(25); 

Here is a functioning C++ application that makes use of malloc (). It is worth noting that we have also included the cstdlib header file. The free() method was also utilised. This is required to assist avoid an oil (memory) leak. 

#include <iostream> 
#include <cstdlib> 
#include <cstring> 
using namespace std; 
int main() { 
  char *user; 
  user = (char *) malloc(25); 
  strcpy(user, "Jane_Eyre"); 
  cout << "User Name = " << user << " " << &user << endl; 
  free(user); 
} 

While malloc() will work in C++, the new() method is becoming more popular. Instead of malloc, we could use the new function to generate a login name: 

char *login = new char(50); 

Then, after you're finished, you use delete instead of free: 

delete(login); 

There are several ways to address this question. One method is to provide an example of when you utilised facts to make a personal decision, such as selecting which college to attend. Another approach is to provide an example of when you used data to address a professional challenge. You may have utilised statistics to determine how to enhance website traffic or improve client retention rates, for example.

This quiz is intended to measure your problem-solving abilities and your ability to think on your feet. The easiest approach to answer this question is to talk about a challenge that you were very interested in fixing. You should go into depth about the problem and how you solved it. Discuss your challenges/difficulties that you faced and how you overcome them. Make a point of emphasising your successes as well as what you gained from the experience.

You can answer it as per your own experience. Now we have one example. The issue I had to tackle was how to enhance website traffic. To reach this aim, I realized I had to concentrate on the appropriate things. I examined the Google Analytics data from my website to discover which pages received the most traffic. Then I examined the data to discover which material drew the most visits. I also utilized Google Search Console to see which terms users used to locate my website. Based on this information, I generated new material that targeted these keywords and published it on my website. 

I also pushed this article on social media and other websites. When I was able to come up with a feasible answer after spending some time thinking about the problem and how to approach it, I felt I was on the right track. This solution was successful. Consequently, I was able to improve website visitors. 

There are several possible answers to this question. One method is to describe a period when you had to work under a tight deadline. You can discuss how you effectively handled your time and resources to fulfil the deadline. 

Another option to respond to this question is to describe a situation in which you had to operate with restricted resources. You might discuss how you were creative and imaginative in getting the most out of your resources. 

This is one of the Amazon leadership principles interview questions to check your capacity to handle things. 

The easiest approach to respond to this question is to provide an example of a time when you had to be very smart with your resources and make the most of every dime. Perhaps you oversaw a project with a limited budget or had to cut back on your expenditures to save money. Focus on the actions you took to succeed rather than the outcome while answering this question. For example, if you were able to minimize prices without reducing quality, emphasize that accomplishment. 

There are several possible answers to this question. One method is to provide an example from a former employment in which you went above and beyond the call of duty. For example, you may discuss staying late to assist a co-worker with a project or taking on additional work when you were already overburdened. 

Another method to respond to this question is to provide an example from a current or previous employment in which you demonstrated leadership abilities. You may, for example, discuss how you led a project or took leadership in a challenging scenario. 

The easiest approach to answer this question is to detail a time when you recognized a cost-cutting opportunity and then put a strategy in place. For example, you may have recognized that the firm was routinely overspending on shipping costs and established a strategy to cut those expenditures. Alternatively, you may have discovered that the firm was squandering a lot of money on unneeded inventory and devised a strategy to enhance inventory management. In any case, describe the problem you discovered and how you remedied it.

This is one of the Amazon interview questions for freshers and there are more to go through.  

When responding to this question in an interview, focus on a period when you effectively increased the employee's performance. You may discuss how you detected the problem and what steps you took to resolve it. You might also describe how you tracked and offered feedback on the employee's growth. Finally, you want the interviewer to demonstrate that you can detect and handle problems as they emerge. 

This question might be tough to answer if you have no prior experience mentoring employees. If you have had this experience, there are a few things you can do to properly answer this question. 

The first step is to detail the goals you established for the employee and how you assisted them in achieving them. Next, discuss the tactics you employed to inspire and guide the employee. Finally, describe how the employee's development was tracked and corrected. 

You may discuss a moment when you had to make a difficult decision, or when you needed to decide fast and didn't have time to confer with your boss. Make a point of emphasizing your ability to think on your feet and make judgments under duress. 

You might also discuss a time when you disagreed with your manager's choice and decided to defy them. This demonstrates that you are willing to stand up for what you believe in and are not scared to go against the grain. Explain why you made the decision and what followed from it, whichever way you answer. 

As a research analyst, I was frequently required to assess data fast and generate conclusions. This was especially true when preparing presentations for my team or clients. To be effective, I needed to learn how to swiftly determine the most important concerns at hand and adapt to any scenario or outcome. This required me to think on my feet and make rapid judgments. By exercising these techniques, I increased my analytical ability and became more efficient when working under duress. 

This helped me in my present position as a business analyst, where I frequently need to deliver quick answers to challenges.

There are several ways to address this question. You may describe an instance when you overcame a challenge or went above and beyond to complete a task. 

An example of overcoming a hurdle would be if you were working on a project and the deadline was unexpectedly moved forward, and you still managed to reach the original deadline. If you were working on a project and the customer requested an extra price, you could easily accommodate the request. 

This is a frequently asked question in interviews. Consider a period when you effectively assigned work or established an atmosphere in which others could thrive. 

Assume you were asked to recount a time when you set conditions for others to succeed. In that scenario, you may discuss a project you directed where you efficiently allocated responsibilities and provided individuals the flexibility to work on what they were most interested in. You might also mention a period when you helped to create a healthy and productive work atmosphere in which people felt safe taking chances and cooperating.