a216. 數數愛明明 | From: [220.142.3.171] | 發表日期 : 2023-05-19 21:07

#include<bits/stdc++.h>

#define ll long long     //定義long long 為ll(單純後面比較方便而已XD)

using namespace std;

ll f(ll n){

if(n==1) return 1;

else return n+f(n-1);

}

 

ll g(ll n){

if(n==1) return 1;

else return f(n)+g(n-1);

}

 

signed main(){

ll n;

while(cin>>n){

cout<<f(n)<<" "<<g(n)<<endl; 

}

}