C++ Code Review: calculates sum of series of type 1^2+3^2+5^2+...+n^2

Description: This program calculates sum of series of type 1^2+3^2+5^2+...+n^2.

Code:

//Compiling Tool: Code::Block IDE with MinGW

//Program calculates sum of series of type 1^2+3^2+5^2+...+n^2.

 

#include<iostream>

#include<conio.h> //for getch()

#include<math.h> // for pow()

 

using namespace std;

 

int main()

{

 

    int n,i;

    long sum=0;

 

    cout<<"Series Type:1^2+3^2+5^2+...+n^2"<<endl;

    cout<<"Enter the value of n:";

    cin>>n;

 

    for(i=1;i<=n;i+=2)

        sum+=(i*i);

 

    cout<<"Sum="<<sum;

    getch();

}   

 

Output:

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