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C++ Articles
Page 557 of 597
Program to calculate area and perimeter of equilateral triangle in C++
What is Equilateral Triangle?As the name suggests, equilateral triangle is the one that have equal sides and also it have equal interior angles of 60° each. It is also known as regular triangle because it’s a regularpolygonProperties of equilateral triangle are −3 sides of equal lengthInterior angles of same degree which is 60Given below is the figure of equilateral triangleProblemGiven with the side of equilateral triangle the task is to find the area and perimeter of a triangle where area is the space occupied by the shape and perimeter is the space occupied by its boundaries.To calculate area and perimeter ...
Read MoreProgram for Volume and Surface Area of Cuboid in C++
What is cuboid?Cuboid is a three-dimensional object with six faces of rectangle shape which means it has sides of different length and breadth. The difference between a cube and cuboid is that a cube has equal length, height and breadth whereas in cuboids these three are not sameProperties of cuboid are −six faces12 edges8 verticesGiven below is the figure of cubeProblemGiven with the length, width and volume, the task is to find the total surface area and volume of a cuboid where surface area is the space occupied by the faces and volume is the space that a shape can ...
Read MoreProgram for Volume and Surface Area of Cube in C++
What is cube?Cube is a three-dimensional object with six faces of square shape which means it has sides of same length and breadth. Cube is the only regular hexahedron with following properties −six faces12 edges8 verticesGiven below is the figure of cubeProblemGiven with the side, the task is to find the total surface area and volume of a cube where surface area is the space occupied by the faces and volume is the space that a shape can contain.To calculate surface area and volume of a cube there is a formula −Surface Area = 6*Side*sideVolume = Side*side*sideExampleInput-: side=3 Output-: volume ...
Read MoreProgram for Surface area of Dodecahedron in C++
What is Dodecahedron?The word ‘dodecahedron’ is derived from the Greek words where, dodeca means ‘twelve’ and hedron specifies ‘faces’. Dodecahedron in geometric is a 3-D platonic or regular solid with twelve flat faces. Like, other figures dodecahedron also have properties and those are −20 polyhedron vertices30 polyhedron edges12 pentagonal faces, as a pentagon is a five-sided polygonGiven below is the figure of dodecahedronProblemGiven with an edge, the program must find the surface area of dodecahedron where surface area is the total space occupied by the faces of the given figure.To calculate surface area of dodecahedron there is a formula −ExampleInput-: ...
Read MoreProgram for Celsius To Fahrenheit conversion in C++
Given with temperature ‘n’ in Celsius the challenge is to convert the given temperature to Fahrenheit and display it.ExampleInput 1-: 100.00 Output -: 212.00 Input 2-: -40 Output-: -40For converting the temperature from Celsius to Fahrenheit there is a formula which is given belowT(°F) = T(°C) × 9/5 + 32Where, T(°C) is temperature in Celsius and T(°F) is temperature in FahrenheitApproach used below is as followsInput temperature in a float variable let’s say CelsiusApply the formula to convert the temperature into FahrenheitPrint FahrenheitALGORITHMStart Step 1 -> Declare a function to convert Celsius to Fahrenheit void cal(float cel) ...
Read MoreC++ Interview questions based on constructors/ Destructors
C++ interview questions on ConstructorsWhat is a constructor?A constructor is a function of a class that has the same name as the class. The constructor is called at the time of the initialization of object. There are three types of constructors −Default constructorParameterized constructorCopy constructorSyntaxclass cl_name{ cl_name(){ //This is constructor.. } }What is a destructor?A destructor is a method of a class that has the same name as the class preceded by a tild ~ symbol. It is called at the end of code or when the object is destroyed or goes out of scope.Syntaxclass ...
Read MoreC++ Floating Point Manipulation
Numerical implementation of a decimal number is a float point number. In C++ programming language the size of a float is 32 bits. And there are some floating point manipulation functions that work on floating-point numbers. Here we have introduced some of the floating-point manipulation functions.fmod()The fmod() function operating on floats will return the remainder of the division of the passed arguments of the method.Example Live Demo#include #include using namespace std; int main() { float a, b, rem; a = 23.4; b = 4.1; rem = fmod(a,b); cout
Read MoreAdding elements of an array until every element becomes greater than or equal to k in C++.
Array − An array is a container of elements of the same data type, whose elements are 0 indexed.In this problem, we will use an array of integers. And check if all the elements are greater than the given number or not. Here we will check if all elements of the array are greater than or equal to a given number k. If not then we will add two minimum elements of the array and treat this sum as a single element. And then again check for the same condition for the new array. If the condition comes out to ...
Read MoreC/C++ Tricky Programs
Here are 10 tricky programs that will test your programming basics.1. Program to print “ ” in C++In C++ programming language, we use quotes to denote the start and end of the text is to be printed. So, printing quotes “ needs a special escape sequence. So, we will use the \” to print quotes in c++.Example Live Demo#include using namespace std; int main() { cout
Read MoreC/C++ Program for Greedy Algorithm to find Minimum number of Coins
A greedy algorithm is an algorithm used to find an optimal solution for the given problem. greedy algorithm works by finding locally optimal solutions ( optimal solution for a part of the problem) of each part so show the Global optimal solution could be found.In this problem, we will use a greedy algorithm to find the minimum number of coins/ notes that could makeup to the given sum. For this we will take under consideration all the valid coins or notes i.e. denominations of { 1, 2, 5, 10, 20, 50 , 100, 200 , 500 ,2000 }. And we ...
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