Fibonacci c plus plus program

Answer 1

#include<iostream>

int main()

{

int x=0, y=1;

std::cout<<x<<" ";

std::cout<<y<<" ";

while( y<1000000 )

{

std::cout<<(y+=x)<<" ";

x=y-x;

}

std::cout<<std::endl;

return(0);

}