The focus on time complexity is unfortunate

  • 0

    For example, this was my JS solution to the Two Sum problem:

    const twoSum = (nums, target) => nums
    // Map to counterparts
    .map(x => target - x)
    // Map to indices of counterparts in input list, excluding self
    .map((x, i) => nums.findIndex((y, j) => i !== j && x === y))
    // Filter matches
    .filter(x => x > -1)

    It works, but trades speed for clarity, so it exceeds the time limit in the final test and fails; I feel that it should be still accepted, since it's not excessively slow, and because clarity and maintainability are often more important than just performance.

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