program to calculate Fibonacci of 100 in C++
#include <iostream>
#include <bigint/BigIntegerLibrary.hh>
using namespace std;
int main()
{
BigInteger start = 0;
BigInteger next = 1;
BigInteger _new;
for (int r = 1; r < 1000; r++)
{
_new = next + start;
start = next;
next = _new;
}
cout << next << endl;
}