cpp-programming/OOP1-Lab5/Source3.cpp at main · whshi574/cpp-programming · GitHub

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// Practical Lab Assignment-7(Week 9)

// ID:U1910049 Name: Rustam Zokirov

// Program to sum the series up to n

#include <iostream>

#include <math.h>

using namespace std;

double qwerty(double n, double sum, double fact)

{

for (int i = 1; i <= n; i++)

{

fact = fact * i; // calculating the factorial of the numbers

sum += (pow(i, i) / (fact)); // executing the sum of numbers

} //"pow" is raising 'i' to power 'i'

return sum; //

} // end function qwerty

int main()

{

double n;

double sum = 0;

double fact = 1;

cout << "Please ebter the number: "; // outputing and inputing the number

cin >> n;

if (n > 0) // the program will calculate the sum when numbers is positive

cout << "Sum is: " << qwerty(n, sum, fact) << endl; // calling the function qwerty

else // when the number is negative 'else' will work

cout << "INVALID INPUT!" << endl;

system("pause");

return 0;

} // ending the program successfully

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