프로그래머스 문제. 평균구하기(Lv1)

 

- python

def solution(arr):
    arr_len = len(arr)
    
    answer = sum(arr) / arr_len
    return answer

 

 

- c++

#include <string>
#include <vector>

using namespace std;

double solution(vector<int> arr) {
    
    double answer = 0;
    
    
    for(int i = 0; i<arr.size();i++)
    {
        answer = answer + arr[i];
    }
    
    return answer/arr.size();
}