2주차 과제: 채점 기준

const students = [
  { name: 1, pattern: [1, 2, 3, 4, 5] },
  { name: 2, pattern: [2, 1, 2, 3, 2, 4, 2, 5] },
  { name: 3, pattern: [3, 3, 1, 1, 2, 2, 4, 4, 5, 5] }
];

const last = arr => arr[arr.length-1];

function* repeat(a) {
  while (true) yield a;
}

const randomAnswers = (pattern, length) => go(
    pattern,
    repeat,
    flat,
    take(length)
);

const scoring = answers => ({name, pattern}) => ({
  name,
  score: go(
    randomAnswers(pattern, answers.length),
    zip(answers),
    countBy(([a, b]) => a === b ? 'o' : 'x'),
    counted => counted.o || 0
  )
});

const solution = answers => go(
    students,
    map(scoring(answers)),
    groupBy(({score}) => score),
    Object.values,
    last,
    map(({name}) => name),
    _ => [..._]
);