1
var mostPoints = function (questions) {
2
  let totalQuestions = questions.length;
3
  let map = new Map();
4

5
  const helper = (index) => {
6
    if (map.has(index)) {
7
      return map.get(index);
8
    }
9

10
    if (index >= totalQuestions) {
11
      return 0;
12
    }
13

14
    let solve = questions[index][0] + helper(index + questions[index][1] + 1);
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    let skip = helper(index + 1);
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    let res = Math.max(solve, skip);
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    map.set(index, res);
18

19
    return res;
20
  };
21

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  return helper(0);
23
};