1984. Minimum Difference Between Highest and Lowest of K Scores
https://leetcode.com/problems/minimum-difference-between-highest-and-lowest-of-k-scores
Description
You are given a 0-indexed integer array nums
, where nums[i]
represents the score of the ith
student. You are also given an integer k
.
Pick the scores of any k
students from the array so that the difference between the highest and the lowest of the k
scores is minimized.
Return the minimum possible difference.
Example 1:
**Input:** nums = [90], k = 1
**Output:** 0
**Explanation:** There is one way to pick score(s) of one student:
- [**90**]. The difference between the highest and lowest score is 90 - 90 = 0.
The minimum possible difference is 0.
Example 2:
**Input:** nums = [9,4,1,7], k = 2
**Output:** 2
**Explanation:** There are six ways to pick score(s) of two students:
- [**9**,**4**,1,7]. The difference between the highest and lowest score is 9 - 4 = 5.
- [**9**,4,**1**,7]. The difference between the highest and lowest score is 9 - 1 = 8.
- [**9**,4,1,**7**]. The difference between the highest and lowest score is 9 - 7 = 2.
- [9,**4**,**1**,7]. The difference between the highest and lowest score is 4 - 1 = 3.
- [9,**4**,1,**7**]. The difference between the highest and lowest score is 7 - 4 = 3.
- [9,4,**1**,**7**]. The difference between the highest and lowest score is 7 - 1 = 6.
The minimum possible difference is 2.
Constraints:
1 <= k <= nums.length <= 1000
0 <= nums[i] <= 105
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