Solution Of Class B

Post date: May 13, 2013 7:57:43 PM

#include <iostream>

#include <fstream>

using namespace std;

double power(int x,int y)

{

int p = 1;

for (int i = 0; i < x; i++)

p *= y;

return p;

}

void main()

{

int i;

cout<<"Enter '1' for odd."<<endl;

cout<<"Enter '2' for even."<<endl;

cin>>i;

cout<<"Enter n : ";

int n;

cin>>n;

double sum = 0;

for (i; i <= n; i+=2)

sum += (1/power(i, i));

cout << "Result = " << sum << endl;

ofstream oFile;

oFile.open("result.txt");

oFile << "Result = " << sum << endl; 

oFile.close();

system ("pause");

}