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Server Side Programming Articles
Page 1467 of 2109
Arithmetic Number in C++
The arithmetic number is a number which has the average of all positive divisors is an integer i.e. for a number n if the number of divisors can divide the sum of divisors then n is an arithmetic number.Let’s take an example to understand the concept better, Input : n = 6 Output : YES Explanation : Divisors are 1 , 2 , 3 , 6 Sum = 1+2+3+6 = 12 Number of divisors = 4 Sum of divisors / number of divisor = 12 / 4 = 3AlgorithmStep 1 : Calculate the sum of divisors and store into sum ...
Read MoreAverage of max K numbers in a stream in C++
The average of number in a stream means calculating the average after every insertion. But in this problem, we need to find the average of max K numbers in a stream i.e. only k numbers of the array are considered for calculating the average. When we add a number if it is greater than any of the numbers that contribute to the average then only it is considered otherwise the average remains the same.Let’s take an example to understand the concept better −Input : n = 4 , k = 3 , array = { 4, 9, 1 , 5} ...
Read MoreAdd N digits to A such that it is divisible by B after each addition in C++?
Here we will see how to generate a number A by adding N digits with it, and while adding new digits in each stage it will be divisible by another number B. Let us consider we are going to make a 5-digit number by adding 4 extra digits with it. We will check the divisibility by 7. The number will start from 8. So at first it will append 4 with it, so the number will be 84, that is divisible by 7. Then add 0 with the number so it will remain divisible by 7. If the number cannot ...
Read MoreAnonymous classes in C++
Anonymous entity is anything that is defined without a name. A class with no name provided is known as an anonymous class in c++. An anonymous class is a special class with one basic property.As there is no name given to the class there is no constructor allocated to it, though a destructor is there for deallocating the memory block.The class cannot be used as an element of a function i.e. you cannot pass it as an argument or cannot accept values return from the function.The syntax for defining an anonymous class in c++class { //data members // ...
Read MoreArea of a Circumscribed Circle of a Square in C++
In this problem, we will calculate the area of the circumscribed circle of a square when we are given the side of the square. Before we go further let’s revise the basic definitions to understand the concepts better.Square is a quadrilateral with all sides equal.The circumscribing circle is a circle touches all the vertices of a polygon.The area is the quantitative representation of the extent of any two-dimensional figure.To calculate the area of the circumscribed circle of a square. We need to find the relation between the parameter of the circle and the square.Now, as in the figure, all the ...
Read MoreAliquot Sequence in C++
Aliquot sequence is a special sequence of numbers. The sequence starts from the number itself and the next number of the sequence is the sum of the proper divisors of the previous terms.Let’s take an example of the sequence to learn the concept better −Input : 8 Output : 8 7 1 0 Explanation : Proper divisors of 8 are 4, 2, 1. The sum is 7 Proper divisors of 7 are 1. The sum is 1 Proper divisors of 1 are 0. The sum is 0Perfect number is the number that has the aliquot sequence of ...
Read MoreC++ program to find uncommon characters in two given strings
In this article, we will be discussing a program to find out the uncommon characters during comparison of two different given strings.As we know, strings are nothing but an array of characters. Therefore, for comparison we would be traversing through the characters of one string and simultaneously checking if that element exists in the other string.If we let the first string be A and the second string B.Then it would give us A - B. Similarly we can calculate B - A.Combining both of these results we would get( A - B ) ∪ ( B - A )i.e the ...
Read MoreCheck if a number can be expressed as 2^x + 2^y in C++
Here we will see, if we can represent a number as sum of two non-zero powers of 2. So we will check the given number N can be represented as (2x + 2y) where x, y > 0. Suppose a number is 10, this can be represented as 23 + 21.The approach is simple. There are two cases. If the number n is even, it can be represented as 2x. Where x > 0. Another case is that is N is odd, it can never be represented as sum of powers of 2. We cannot use power as 0, so ...
Read MoreArc length from given Angle in C++?
An Angle is formed when two rays meet at a point. The point on the plane at which these rays meet is vertex.Arc of a circle is a portion of the circumference that is described by an angle.In this problem, we are given an angle of the circle. And we need to find the length of arc using the given diameter of the circle. For example, Input : Angle = 45° Diameter = 28 Output : Arc = 11ExplanationLength of arc = (circumference) X (angle/360°)= (π * d)*(angle/360°)To make a program that calculates the length of Arc from the given ...
Read MoreAssign other value to a variable from two possible values in C++
Problem Statementwe have to assign a variable the value of other variables from two possible values without using any conditional operator.DescriptionIn this problem, we are given a variable let's say a which can have a value of any of the two variables x and y. Now, we have to create a program to assign the value of another than its current value without using any conditional operator i.e. we can’t check the value of x.Let’s take an example to understand the problem better −Input : a = 43 ; x = 43 and y = 21 Output : 21Explanation − ...
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