• 문제 설명

const solution = (survey, choices) => {
    const arr = {
        'R' : 0, 'T' : 0,
        'C' : 0, 'F' : 0,
        'J' : 0, 'M' : 0,
        'A' : 0, 'N' : 0
    }
    const score = [3, 2, 1, 0, 1, 2, 3];
    
    for (i = 0; i < choices.length; i++) {
        if (choices[i] < 4) {
            arr[survey[i][0]] += score[choices[i] - 1]
        } else if (choices[i] > 4) {
            arr[survey[i][1]] += score[choices[i] - 1]
        }
    }
    
    let result = '';
    result += arr['R'] >= arr['T'] ? 'R' : 'T';
    result += arr['C'] >= arr['F'] ? 'C' : 'F';
    result += arr['J'] >= arr['M'] ? 'J' : 'M';
    result += arr['A'] >= arr['N'] ? 'A' : 'N';
    
    return result;
}