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Bentley Systems
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Single linked list has one pointer while doubly linked list has two. Doubly linked list is preferred for easier traversal in both directions.
Single linked list has only one pointer which points to the next node while doubly linked list has two pointers which point to the next and previous nodes.
Doubly linked list allows for easier traversal in both directions, while single linked list only allows for traversal in one d...
LINUX/UNIX are open-source, command-line based OS while WINDOWS is a proprietary, GUI-based OS.
LINUX/UNIX have a steep learning curve due to command-line interface
WINDOWS is more user-friendly with a graphical user interface (GUI)
LINUX/UNIX are more stable and secure than WINDOWS
LINUX/UNIX are free and open-source while WINDOWS is proprietary and requires a license
LINUX/UNIX are preferred for servers and development wh...
Program to sort an array of strings
Use a sorting algorithm like bubble sort, insertion sort, or quicksort
Compare adjacent elements and swap if necessary
Repeat until the array is sorted
Sorting techniques and their time complexity
Bubble sort - O(n^2)
Selection sort - O(n^2)
Insertion sort - O(n^2)
Merge sort - O(n log n)
Quick sort - O(n log n)
Heap sort - O(n log n)
Radix sort - O(nk)
Most efficient: Quick sort or Merge sort
Efficiency depends on the size of the array and the data distribution
Big data refers to large and complex data sets that cannot be processed using traditional data processing methods.
Big data is characterized by the 3Vs - volume, velocity, and variety.
It requires specialized tools and techniques for processing and analysis.
Examples of big data include social media data, sensor data, and financial market data.
ASP.net is better for enterprise-level applications due to its integration with Windows and Microsoft technologies.
ASP.net has better integration with Windows and Microsoft technologies
ASP.net has better performance and scalability for enterprise-level applications
ASP.net has a larger developer community and more resources available
Java is better for cross-platform development and open-source projects
I am a software engineer with experience in developing web applications and a passion for problem-solving.
Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React
Proficient in programming languages such as Java and Python
Strong problem-solving skills and ability to work in a team environment
Passionate about learning new technologies and staying up-to-date with industry tren
I am impressed with the company's innovative approach and would love to be a part of the team.
I have researched the company and am impressed with its achievements
I am excited about the company's focus on innovation and cutting-edge technology
I believe that the company's values align with my own and I would be proud to work here
Yes, can you tell me about the company culture?
Our company values collaboration and innovation
We prioritize work-life balance for our employees
We have a diverse and inclusive workplace culture
I was interviewed in Jul 2017.
Code to print * in five consecutive lines
Use a loop to iterate five times
Inside the loop, print a string containing a single * character
Code to calculate number of bounces a ball goes through until it comes to rest.
Use a loop to simulate the bounces until the ball stops bouncing
Calculate the height of each bounce using the given formula
Keep track of the number of bounces in a counter variable
The best and less time consuming way to calculate factorial of a number is using iterative approach.
Iteratively multiply the number with all the numbers from 1 to the given number
Start with a result variable initialized to 1
Multiply the result with each number in the range
Return the final result
Code to find factorial using function recursion
Define a function that takes an integer as input
Check if the input is 0 or 1, return 1 in that case
Otherwise, call the function recursively with input-1 and multiply it with the input
posted on 10 May 2015
Locate sum of 2 numbers in a linear array (unsorted and sorted) and their complexities
For unsorted array, use nested loops to compare each element with every other element until the sum is found
For sorted array, use two pointers approach starting from the beginning and end of the array and move them towards each other until the sum is found
Complexity for unsorted array is O(n^2) and for sorted array is O(n)
Pointers are used to manipulate memory addresses and values in C++. Increment/decrement, address of and value at operators are commonly used.
Incrementing a pointer moves it to the next memory location of the same data type
Decrementing a pointer moves it to the previous memory location of the same data type
The address of operator (&) returns the memory address of a variable
The value at operator (*) returns the value sto
To determine if a point is inside or outside a rectangle, we check if the point's coordinates fall within the rectangle's boundaries.
Check if the point's x-coordinate is greater than the left edge of the rectangle
Check if the point's x-coordinate is less than the right edge of the rectangle
Check if the point's y-coordinate is greater than the top edge of the rectangle
Check if the point's y-coordinate is less than the b...
To find line that divides rectangle into 2 equal halves through a point inside it.
Find the center of the rectangle
Draw a line from the center to the given point
Extend the line to the opposite side of the rectangle
The extended line will divide the rectangle into 2 equal halves
There are multiple combinations of 8-bit and 16-bit signed numbers. How many such combinations are possible?
There are 2^8 (256) possible combinations of 8-bit signed numbers.
There are 2^16 (65,536) possible combinations of 16-bit signed numbers.
To find the total number of combinations, we can add the number of combinations of 8-bit and 16-bit signed numbers.
Therefore, the total number of possible combinations is 256 +
Find duplicates in an array of elements in 0(n) time and 0(1) space.
Use the property of inputs to your advantage
Iterate through the array and mark elements as negative
If an element is already negative, it is a duplicate
Return all the negative elements as duplicates
posted on 7 May 2017
I was interviewed in Feb 2017.
malloc is a function in C that dynamically allocates memory on the heap. It is used to allocate memory for variables or data structures.
malloc is used in C programming language.
It is used to allocate memory on the heap.
malloc is different from 'new' in C++ as it does not call constructors for objects.
C++ is a general-purpose programming language while Objective C is a superset of C used for iOS and macOS development.
C++ is widely used for developing applications, games, and system software.
Objective C is mainly used for iOS and macOS development.
C++ supports both procedural and object-oriented programming paradigms.
Objective C is an object-oriented language with dynamic runtime features.
C++ has a larger community a...
Class container is a class that holds objects of other classes, while class composition is a way to combine multiple classes to create a new class.
Class container holds objects of other classes, acting as a collection or container.
Class composition combines multiple classes to create a new class with its own behavior and attributes.
In class container, the objects are typically stored in a data structure like an array o...
Divide the horses into groups of 5 and race them. Take the top 2 from each race and race them again. Finally, race the top 2 horses to determine the top 3.
Divide the horses into 3 groups of 5 and race them.
Take the top 2 horses from each race and race them again.
Finally, race the top 2 horses to determine the top 3.
Developing a real-time data processing system for a high-traffic e-commerce website
Implemented a distributed system architecture to handle large volumes of data
Optimized algorithms for efficient data processing and storage
Utilized caching mechanisms to improve system performance
Worked closely with cross-functional teams to troubleshoot and resolve issues
Example: Successfully reduced data processing time by 50% by imple
Seeking new challenges and opportunities for growth.
Looking for a more challenging role to further develop my skills
Interested in exploring new technologies and industries
Seeking better career advancement opportunities
Want to work in a more collaborative team environment
The width of a tree is the maximum number of nodes at any level in the tree.
To calculate the width of a tree, we can perform a level order traversal and keep track of the maximum number of nodes at any level.
We can use a queue data structure to perform the level order traversal.
At each level, we count the number of nodes in the queue and update the maximum width if necessary.
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