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Goldman Sachs Interview Experience (for Experienced)

Round 1: It was Hackerrank test for 2 hours. Both questions were matrix based Given a matrix consisting of only zeroes and ones.Cell containing 1… Read More

Experiences

Interview Experiences

Paytm Interview Experience 2018

Round 1: Coding Round 2 coding questions both from strings : To find no of distinct years from the given paragraph.(paragraph consists of 2 or… Read More

Experiences

Interview Experiences

Samsung Semiconductor Institute of Research(SSIR Software) Intern/FTE | Set-2

There are N Balloons marked with value Bi (where B(i…N)). User will be given Gun with N Bullets and user must shot N times. When any balloon… Read More

Samsung

Backtracking

Combinatorial

DSA

Experiences

Internship

Interview Experiences

NavigableSet pollLast() method in Java

The pollLast() method of NavigableSet interface in Java is used to retrieve and remove the last (highest) element, or returns null if this set is… Read More

Java - util package

Java-Collections

Java-Functions

Java-NavigableSet

Java

NavigableSet pollFirst() method in Java

The pollFirst() method of NavigableSet interface in Java is used to retrieves and removes the first (lowest) element, or returns null if this set is… Read More

Java - util package

Java-Collections

Java-Functions

Java-NavigableSet

Java

Minimum value of N such that xor from 1 to N is equal to K

Given a value K which is the XOR of all the values from 1 to N, the task is to find the minimum value of… Read More

Bitwise-XOR

Bit Magic

DSA

Mathematical

Sum of decimal equivalent of all possible pairs of Binary representation of a Number

Given a number N. The task is to find the sum of the decimal equivalent of all the pairs formed from the binary representation of… Read More

binary-representation

BIT

Constructive Algorithms

Competitive Programming

DSA

Program to invert bits of a number Efficiently

Given a non-negative integer N. The task is to invert the bits of the number N and print the decimal equivalent of the number obtained… Read More

Algorithms-Bit Algorithms

Bitwise-XOR

setBitCount

Bit Magic

DSA

Samsung Semiconductor Institute of Research (SSIR software) intern/FTE | Set-1

There are N fishing spots and 3 gates. At each gate there are some fishermen waiting to reach the nearest unoccupied fishing spot. (Total no… Read More

Samsung

Experiences

Internship

Interview Experiences

Java 8 | IntToDoubleFunction Interface in Java with Examples

The IntToDoubleFunction Interface is a part of the java.util.function package which has been introduced since Java 8, to implement functional programming in Java. It represents… Read More

Java - util package

Java 8

java-basics

Java

Difference between std::swap and std::vector::swap

The std::swap is a general function used to exchange the given values whereas the std::vector::swap is a specialized function that can swap all the contents… Read More

CPP-Functions

cpp-vector

STL

C++

Difference Between

unordered_set empty() function in C++ STL

The unordered_set::empty is a built-in function in C++ STL which is used to check if an unordered_set container is empty or not. It returns True… Read More

CPP-Functions

cpp-unordered_set

cpp-unordered_set-functions

Picked

C++

How to get rid of Java TLE problem

It happens many times that you have written correct Java code with as much optimization as needed according to the constraints. But, you get TLE… Read More

Misc

OYO Rooms Interview Experience 2018

Round 1: The first round consist of 20 Computer Science Fundamentals MCQ and two coding questions. In MCQ importance were given to data structures and… Read More

Experiences

Interview Experiences

Microsoft Interview Experience (On-Campus Internships 2018)

Microsoft IDC visited our campus for internships. They set CGPA cut off as 7 for applying. Round-1(Online test) The first online round was on Co-Cubes… Read More

Experiences

Interview Experiences

Creating Sheets in Excel File in Java using Apache POI

Apache POI is an open-source java library to create and manipulate various file formats based on Microsoft Office. Using POI, one should be able to… Read More

Java

SHA-512 Hash In Java

The SHA-2 family of cryptographic hash functions consists of six hash functions. These are: SHA-224, with 224-bit hash values SHA-256, with 256-bit hash values SHA-384,… Read More

Hash

Computer Networks

DSA

Hash

Java

Java Programs

Creating a Cell at specific position in Excel file using Java

Apache POI is an open-source java library to create and manipulate various file formats based on Microsoft Office. Using POI, one should be able to… Read More

Java

Program to Convert HashMap to TreeMap in Java

HashMap is a part of Java’s collection since Java 1.2. It provides the basic implementation of Map interface of Java which stores the data in… Read More

Java - util package

Java-HashMap

Java-Map-Programs

java-TreeMap

Java

Java Programs

Program to Convert Set of Integer to Set of String in Java

Java Set is a part of java.util package and extends java.util.Collection interface. It does not allow the use of duplicate elements and at max can… Read More

Java - util package

Java-Array-Programs

Java-Integer

java-set

Java-Set-Programs

Java-String-Programs

Java-Strings

Java

Java Programs