HackerRank Solutions

Objective Classes define new types in C++. Types in C++ not only interact by means of constructions and assignments but also via operators. For example: int a= 2 , b= 1 , c;c = b + a; The result of variable c will be 3. Similarly, classes can also pe…

Objective You are given a class – Complex. class Complex { public: int a,b;}; Operators are overloaded by means of operator functions, which are regular functions with special names. Their name begins with the operator keyword followed by the op…

Objectives A for loop is a programming language statement which allows code to be repeatedly executed. The syntax for this is Syntax : for ( <expression_1> ; <expression_2> ; <expression_3> ) <statement> expression_1 is use…

Problem if and else are two of the most frequently used conditionals in C/C++, and they enable you to execute zero or one conditional statement among many such dependent conditional statements. We use them in the following ways: 1.  if: This executes …

Problem Given an integer , n, print the following values for each integer i from 1to n : Decimal Octal Hexadecimal (capitalized) Binary The four values must be printed on a single line in the order specified above for each i from 1 to n. Each value sh…

Problem Mr. Vincent works in a door mat manufacturing company. One day, he designed a new door mat with the following specifications: Mat size must be N X M. ( N is an odd natural number, and M is 3 times N.) The design should have ‘WELCOME’ written i…

Problem You are given an integer, N. Your task is to print an alphabet rangoli of size N. (Rangoli is a form of Indian folk art based on creation of patterns.) Different sizes of alphabet rangoli are shown below: #size 3----c------c-b-c--c-b-a-b-c--c-…