Software Engineer

You have been given two strings, 'str1' and 'str2'.

Your task is to return true if the given two strings are isomorphic to each other, else return false.

Note :

Two strings are isomorphic if a one-to-one mapping is possible for every character of the first string ‘str1’ to every character of the second string ‘str2’ while preserving the order of the characters.

All occurrences of every character in the first string ‘str1’ should map to the same character in the second string, ‘str2’.

For example :

If str1 = “aab” and str2 = “xxy” then the output will be 1. ‘a’ maps to ‘x’ and ‘b’ maps to ‘y’.

If str1 = “aab” and str2 = “xyz” then the output will be 0. There are two different characters in 'str1', while there are three different characters in 'str2'. So there won't be one to one mapping between 'str1' and 'str2'.

Given an array arr of length N consisting of positive and negative integers, return the length of the longest subarray whose sum is zero.

• Tell me a brief about your final year project
• What are the OOP’s principles?
• What is a Constructor?
• What is an object?
• How is a class different from an object?
• What is DBMS?
• Difference between delete, truncate, and drop commands?
• What are joins?
• Types of joins in DBMS?
• What is the difference between a primary key and a unique key?

You are given an integer ‘N’, your task is to find and return the N’th Fibonacci number using matrix exponentiation.

Since the answer can be very large, return the answer modulo 10^9 +7.

Fibonacci number is calculated using the following formula:

F(n) = F(n-1) + F(n-2), 
Where, F(1) = F(2) = 1.

For Example:

For ‘N’ = 5, the output will be 5.

Write a program to count and print the total number of characters (lowercase english alphabets only), digits (0 to 9) and white spaces (single space, tab i.e. '\t' and newline i.e. '\n') entered till '$'.

That is, input will be a stream of characters and you need to consider all the characters which are entered till '$'.

Print count of characters, count of digits and count of white spaces respectively (separated by space).

How to Measure 45 minutes using two identical wires?

• Introduce yourself
• Explain your project and your contribution in it
• What are your interest and hobbies?
• Tell me something about your family background?
• Which is the technology that you are interested in?
• What do you know about Global Logic? 
• Why should we hire you?