#include<iostream> using namespace std; int main() { int t,n; cin>>t; int array[91]={0}; array[1]=1; array[2]=2; for(int i=3;i<91;i++) { array[i]=array[i-1]+array[i-2]; } while(t--) { cin>>n; int sum=0; for(int i=1;i<=n;i++) { sum+=array[i]; } cout<<sum<<endl; } } |
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