https://school.programmers.co.kr/learn/courses/30/lessons/181929
using System;
public class Solution {
public int solution(int[] num_list) {
int answer = 0;
int sum = 0;
int multiply = 1;
for(int i=0; i<num_list.Length; i++){
sum+=num_list[i];
multiply*=num_list[i];
}
if(multiply<(sum*sum))answer = 1;
return answer;
}
}