Sum of n even Nos.

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 //Downloaded From www.c4cpp.co.nr 
//(C)2009.All rights reserved. 
#include<iostream.h> 
#include<conio.h> 
void main() 
{ 
clrscr(); 
int i,s=0; 
for(i=2;i<=100;i=i+2) 
{ 
s=s+i; 
cout<<"+"<<i; 
} 
cout<<"="<<s; 
getch(); 
}