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파이썬

def solution(absolutes, signs):
    answer = 0
    for i in range(len(absolutes)):
        if signs[i]:
            answer += absolutes[i]
        else:
            answer -= absolutes[i]
    return answer

자바

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];
            else answer -= absolutes[i];
        }
        return answer;
    }
}

부호에 따라서 더하고 빼주면 된다.

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