[프로그래머스] LV.2 테이블 해시 함수 (JS)

function solution(data, col, row_begin, row_end) {
  data.sort((a, b) => {
    if (a[col - 1] === b[col - 1]) return b[0] - a[0]
    return a[col - 1] - b[col - 1]
  })

  const S_Arr = new Array(data.length).fill(0).map((_, idx) => {
    return data[idx].reduce((a, c) => a + (c % (idx + 1)), 0)
  })

  const result = S_Arr.slice(row_begin - 1, row_end).reduce((a, c) => a ^ c)

  return result
}