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Percentage, profit loss, logical reasoning
posted on 20 Feb 2015
posted on 10 Sep 2020
I applied via Company Website and was interviewed in Aug 2020. There were 3 interview rounds.
Connecting to a database has multiple options depending on the type of database and programming language used.
For SQL databases, options include using JDBC for Java, ODBC for C++, and ADO.NET for C#.
For NoSQL databases, options include using MongoDB's driver for Python or Node.js.
ORMs like Hibernate and Entity Framework can also be used to abstract away the database connection details.
Connection strings are used to spe...
I applied via Naukri.com and was interviewed before Jun 2019. There were 3 interview rounds.
Implement stack data structure
Use an array or linked list to store elements
Push operation adds element to top of stack
Pop operation removes element from top of stack
Peek operation returns top element without removing it
Global variables are accessible from any part of the program and can be modified by any function.
Global variables are declared outside of any function.
They can be accessed and modified by any function in the program.
If a function modifies the value of a global variable, the new value is visible to all other functions.
Global variables can be useful for sharing data between functions.
However, overuse of global variables
Program to transpose a matrix
Iterate through rows and columns of the matrix
Swap the elements at (i,j) and (j,i) positions
Return the transposed matrix
Pre and post fix operators are used to increment or decrement a value before or after it is used in an expression.
Pre-fix operator (++x) increments the value of x and returns the new value.
Post-fix operator (x++) returns the value of x and then increments it.
Both operators can be used with variables of numeric data types.
They can also be used with pointers to increment or decrement the memory address they point to.
I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.
Tomarrow, power system
Machine power system drive
I applied via Campus Placement and was interviewed in Aug 2023. There were 3 interview rounds.
One easy and one medium level question
Split a linked list into even and odd without changing order.
Create two new linked lists for even and odd numbers.
Iterate through the original linked list and append nodes to respective even or odd lists.
Finally, merge the even and odd lists to get the desired result.
I applied via LinkedIn and was interviewed in May 2022. There were 2 interview rounds.
Sort an array of 0s, 1s, and 2s.
Use three pointers to keep track of the positions of 0s, 1s, and 2s.
Traverse the array and swap elements to their respective positions.
Time complexity: O(n), Space complexity: O(1).
It was general apti test 30 questions
Two coding questions were there
Prevent the duplicate accounts
30min and ask one coding question
30min and ask 2 coding question
based on 1 interview
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TKIL
McNally Bharat Engineering
TRF
Elecon Engineering