https://school.programmers.co.kr/learn/courses/30/lessons/76501
class Solution {
public int solution(int[] absolutes, boolean[] signs) {
int answer = 0;
for(int i =0; i<absolutes.length; i++){
if(!signs[i]){
answer+= absolutes[i]*(-1);
}else{
answer+=absolutes[i];
}
}
return answer;
}
}