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I applied via Campus Placement and was interviewed in Feb 2023. There were 4 interview rounds.
No of Questions : 4 questions
Difficulty : Difficult
Topics : Sieve of eratosthenis, DP, Hashing
Search for an element in a rotated sorted array using binary search with pivot.
Find the pivot element using binary search.
Compare the target element with the first element of the array to determine which half to search.
Perform binary search on the selected half of the array.
Repeat until the target element is found or the array is exhausted.
Sort an array of 0's, 1's, and 2's using two pointer approach.
Initialize two pointers, one at the beginning and one at the end of the array.
Traverse the array and swap 0's to the beginning and 2's to the end using the pointers.
Stop when the pointers meet or cross each other.
ID selector is used to select an element with a specific ID attribute in CSS.
ID selector is denoted by '#' followed by the ID name.
ID should be unique on a page.
ID selector has higher specificity than class selector.
Example: #header { color: blue; }
ShallowCopy copies only the reference of an object while DeepCopy creates a new object with a new reference.
ShallowCopy creates a new reference to the same object, so changes made to the copy will reflect in the original object.
DeepCopy creates a new object with a new reference, so changes made to the copy will not reflect in the original object.
ShallowCopy is faster and less memory-intensive than DeepCopy.
DeepCopy is ...
Copy constructor is a special constructor that creates a new object by copying an existing object.
It is used to create a new object with the same values as an existing object.
It takes an object of the same class as a parameter.
It is automatically called when a new object is created from an existing object.
It creates a deep copy of the object, meaning that all the member variables are copied.
Example: class MyClass { pub...
Operator overloading allows operators to have different meanings based on the context of their usage.
Operator overloading is a feature in object-oriented programming languages.
It allows operators to be redefined for custom classes.
For example, the '+' operator can be overloaded to concatenate strings or add numbers.
It can improve code readability and reduce the amount of code needed for certain operations.
Struct is a value type while class is a reference type in C#.
Structs are stored on the stack while classes are stored on the heap.
Structs cannot be inherited while classes can be inherited.
Structs do not support destructors while classes do.
Structs are used for small data structures while classes are used for larger, more complex objects.
Example of struct: struct Point { public int X; public int Y; }
Example of class: c...
Search an element in an infinite sorted array using binary search.
Initialize low as 0 and high as 1.
Double the high index until arr[high] is greater than the target element.
Perform binary search between low and high indexes.
Easy to Medium Data Structures Question they will ask
I applied via Campus Placement and was interviewed in Mar 2023. There was 1 interview round.
6 questions to be dones in 1 hr 5 mins
Top trending discussions
posted on 21 Feb 2015
Quantifiable factors to rate cab drivers for company's purpose
Customer ratings and feedback
Number of completed trips
Average trip duration
Percentage of on-time pickups
Accident and traffic violation history
Vehicle cleanliness and maintenance
Driver punctuality and professionalism
The criterion for choosing between Yuvraj Singh and Stuart Binny for the World Cup squad would be based on their recent performance, fitness, and team balance.
Evaluate recent performance of both players
Assess fitness levels of both players
Consider team balance and required skill sets
Analyze pitch and weather conditions of the tournament
Take into account the opposition teams and their strengths and weaknesses
I applied via Referral and was interviewed before Nov 2020. There was 1 interview round.
SQL. Statstics python mathematics
Some profitable case
Startegy case round regarding swiggy
I applied via Walk-in and was interviewed before Oct 2022. There were 3 interview rounds.
I applied via Approached by Company and was interviewed in Apr 2024. There were 3 interview rounds.
I want to join Ola because of its innovative technology, market leadership, and potential for growth.
Ola is a market leader in the ride-sharing industry, which presents exciting challenges and opportunities for a business analyst.
I am impressed by Ola's focus on innovation and technology, which aligns with my passion for leveraging data and analytics to drive business decisions.
I believe Ola's fast-paced environment an...
I applied via Campus Placement and was interviewed before Aug 2021. There were 5 interview rounds.
Basic Aptitude, English, and Reasoning Questions
Basic Programming Questions, SQL Questions
based on 3 interviews
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based on 1 review
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