https://school.programmers.co.kr/learn/courses/30/lessons/120824
using System;
public class Solution {
public int[] solution(int[] num_list) {
int count1=0;
int count2=0;
for(int i=0; i<num_list.Length;i++){
if(num_list[i]%2==0){
count1++;
} else count2++;}
int[] answer = new int[] {count1,count2};
return answer;
}
}