LV. 1 :: 평균 구하기

https://school.programmers.co.kr/learn/courses/30/lessons/12944

프로그래머스

 

function solution(arr) 
{
    var sum=0;
    for (i=0; i<arr.length; i++)
    {
        sum += arr[i];
    }
    return sum/arr.length;
}

+)230517

const solution = (arr) => { 
    return arr.reduce((a, b) => a + b, 0)/arr.length;
}

230916 C++

#include <string>
#include <vector>

using namespace std;

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