View Code of Problem 23

#include<bits/stdc++.h>
using namespace std;
#define N 92
int main()
{
	int m;
	long long n[N];
	n[0]=0;
	n[1]=1;
	n[2]=2;
	for(int i=3;i<N;i++)
		n[i]=n[i-1]+n[i-2];
	while(cin>>m) {
		if(m==0)	break;
		cout<<n[m]<<endl;
	}
	return 0;
}