#include <iostream> #include <cstdio> using namespace std; int main(){ int M; while(cin>>M&&M!=0){ int a[999]; a[1]=1,a[2]=2; if(M>2){ for(int i=3;i<=M;i++){ a[i]=a[i-1]+a[i-2]; } } cout<<a[M]<<endl; } return 0; } |
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