[LeetCode] Minimize Max Distance to Gas Station

 

On a horizontal number line, we have gas stations at positions stations[0], stations[1], ..., stations[N-1], where N = stations.length.

Now, we add K more gas stations so that D, the maximum distance between adjacent gas stations, is minimized.

Return the smallest possible value of D.

Example:

Input: stations = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], K = 9
Output: 0.500000

Note:

  1. stations.length will be an integer in range [10, 2000].
  2. stations[i] will be an integer in range [0, 10^8].
  3. K will be an integer in range [1, 10^6].
  4. Answers within 10^-6 of the true value will be accepted as correct.

 

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