#include<iostream> #include<string> using namespace std; int main(){ int a[100],m; while(cin>>m) { if(m!=0) { a[0]=1,a[1]=2; for(int i=2;i<m;i++) { a[i]=a[i-1]+a[i-2]; } cout<<a[m-1]<<endl; } } return 0; } |
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