Function fib

CPP/recursion/fib_series.cpp:8–16

#define mod 1000000007
#define endl '\n'
void fib(int arr[],int n){
	arr[0]=0;
	arr[1]=1;
	for (int i = 2; i <= n; ++i)
	{
		arr[i]=arr[i-1]+arr[i-2];

	}
}

int main(){
	cin.tie(0)->sync_with_stdio(0);