#include using namespace std; void add_3 (int &a){ a = a + 3; int main () { int a = 10; add_3 (a); cout << a << endl;
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- C Program Pass-by-reference in Functions Using Pointers Write a function swap that swaps the values of three integers x,y, and z. x is swapped to y, then y to z, and lastly z to x. In the main function, write a program that ask for theee integer inputs and pass in the reference of those variables by calling swap function. more details below the photo.he function drawFractalLine is recursive. Write a script that draws the Koch snowflake. Define a function main that will draw a Koch snowflake with the following parameters when the program is run: Width = 200 Height = 200 Size = 150 Level = 4Answer this question properly mut attach ouput screen shot This need to be done in C programminng only Write the function compare that takes two parameters of type void* and returns an integer When pointers to Student structures are passed, it compares their GPA and returns 0 if they are equal, a negative value if the first is smaller, and a positive value if the first is greater.
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- C++ HELP! NO STRUCTURES USED!Hello I've tried to ask this question before, but the answer I received was incorrect, so I am asking once again for someone to help me with this problem. Write a complete C++ program with the following: A struct named Car with member variables to store car make, model, and price. A function named setCar that returns a Car and has no parameters. setCar will:prompt the user for a car name, model, and price, and return that car. A void function named showCars with 2 parameters: a constant Car array named cars, and a constant integer named SIZE. The showCars function will:Use a loop to display the make, model, and price of each car in the cars array, and will also display what that car’s position is in the array (for regular computer users who start counting from 1, not programmers who start counting from 0). In the main functionDeclare a constant integer named SIZE with the value of 3.Declare a Car array the size of SIZE. Write a loop to call your setCar…This is C++ Virtual Functions Please use comment lines to show what each line will do and how. #include<iostream> class Base { public: virtual void show() { cout<< “In Base n”;} }; class Derived: public Base { public: void show() { cout<< “In Derived n”;} }; int main(void) { Base *bp, b; Derived d; bp = &d; bp->show(); bp = &b; bp->show(); return 0; }*C Language The greatest common divisor of integers x and y is the largest integer that divides both x and y. Write a recursive function GCD that returns the greatest common divisor of x and y. The GCD of x and y is defined as follows: If y is equal to zero, then GCD(x, y) is x; otherwise GCD(x, y) is GCD(y, x % y) where % is the remainder operator.