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Distance between two points using user defined functions: To calculate the distance between two points by using user defined function's code is given below: Code: // Find the Distance between points. #include<iostream> #include<cmath> using namespace std; double distance(double x1, double x2, double y1, double y2); void main() { double x1, x2, y1, y2; cout << "Enter X1: "; cin >> x1; cout << "Enter X2: "; cin >> x2; cout << "Enter Y1: "; cin >> y1; cout << "Enter Y2: "; cin >> y2; cout << endl; cout << "Distance : " << distance(x1, x2, y1, y2); cout << endl; } double distance(double x1, double x2, double y1, double y2) { double distance; distance = sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1)); return distance; } Download: To download this code click on the

Table printing of a number using user defined functions code: //User-defined function to print Table of a number #include<iostream> using namespace std; void table(int y); void main() { int a; cout<<"Enter the number for Table"<<endl; cin>>a; table(a); } void table(int y) { for(int i=1;i<=10;i++) { cout<<y<<" * "<<i<<" = "<< y*i<<endl; } } Download: To download this code click on the given link below: Download

Code of Finding maximum number by user defined function: // Find Maximum Number #include<iostream> using namespace std; float find_max(float a, float b, float c); void main() { float a, b, c; cout << "Enter First Number: "; cin >> a; cout << "Enter Second Number: "; cin >> b; cout << "Enter Third Number: "; cin >> c; cout << endl; cout << "Largest Number is: " << find_max(a, b, c); cout << endl; } float find_max(float a, float b, float c) { if (a > b && a > c) return a; else if (b > a && b > c) return b; else return c; } Download: To download this code click on the given link below, Download

Power of the number by using user defined function code is given below: // Power of a number using user-defined function #include<iostream> using namespace std; void power(int x, int y); int main() { int num, exp; cout << "enter any number : "; cin >> num; cout << "enter any exponent : "; cin >> exp; power(num, exp); } void power(int x, int y) { int c = 1; for (int i = 0; i < y; i++) { c = x*y; } cout << "Answer is : " << c << endl; } Download: To download thjs code click on the given link below: Download

Arithmetic operations using switch statement code: // Arithmetic Operations using switch statement. # include <iostream> using namespace std; void main() { char option; float num1, num2; cout << "Enter first No : "; cin >> num1; cout << "Enter Second No : "; cin >> num2; cout << "Enter operator either :  + , - , * , /  = "; cin >> option; switch (option) { case '+': cout <<"Addition is : "<< num1 + num2<<endl; break; case '-': cout <<"Subtraction is : "<< num1 - num2<<endl; break; case '*': cout <<"Multiplication is : "<< num1 * num2<<endl; break; case '/': cout <<"Division is : "<< num1 / num2<<endl; break; default: cout << "Invalid Input"