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2740. Find the Value of the Partition

Description

You are given a positive integer array nums.

Partition nums into two arrays, nums1 and nums2, such that:

  • Each element of the array nums belongs to either the array nums1 or the array nums2.
  • Both arrays are non-empty.
  • The value of the partition is minimized.

The value of the partition is |max(nums1) - min(nums2)|.

Here, max(nums1) denotes the maximum element of the array nums1, and min(nums2) denotes the minimum element of the array nums2.

Return the integer denoting the value of such partition.

 

Example 1:

Input: nums = [1,3,2,4]
Output: 1
Explanation: We can partition the array nums into nums1 = [1,2] and nums2 = [3,4].
- The maximum element of the array nums1 is equal to 2.
- The minimum element of the array nums2 is equal to 3.
The value of the partition is |2 - 3| = 1. 
It can be proven that 1 is the minimum value out of all partitions.

Example 2:

Input: nums = [100,1,10]
Output: 9
Explanation: We can partition the array nums into nums1 = [10] and nums2 = [100,1].
- The maximum element of the array nums1 is equal to 10.
- The minimum element of the array nums2 is equal to 1.
The value of the partition is |10 - 1| = 9.
It can be proven that 9 is the minimum value out of all partitions.

 

Constraints:

  • 2 <= nums.length <= 105
  • 1 <= nums[i] <= 109

Solutions

  • class Solution {
        public int findValueOfPartition(int[] nums) {
            Arrays.sort(nums);
            int ans = 1 << 30;
            for (int i = 1; i < nums.length; ++i) {
                ans = Math.min(ans, nums[i] - nums[i - 1]);
            }
            return ans;
        }
    }
    
  • class Solution {
    public:
        int findValueOfPartition(vector<int>& nums) {
            sort(nums.begin(), nums.end());
            int ans = 1 << 30;
            for (int i = 1; i < nums.size(); ++i) {
                ans = min(ans, nums[i] - nums[i - 1]);
            }
            return ans;
        }
    };
    
  • class Solution:
        def findValueOfPartition(self, nums: List[int]) -> int:
            nums.sort()
            return min(b - a for a, b in pairwise(nums))
    
    
  • func findValueOfPartition(nums []int) int {
    	sort.Ints(nums)
    	ans := 1 << 30
    	for i, x := range nums[1:] {
    		ans = min(ans, x-nums[i])
    	}
    	return ans
    }
    
  • function findValueOfPartition(nums: number[]): number {
        nums.sort((a, b) => a - b);
        let ans = Infinity;
        for (let i = 1; i < nums.length; ++i) {
            ans = Math.min(ans, Math.abs(nums[i] - nums[i - 1]));
        }
        return ans;
    }
    
    
  • impl Solution {
        pub fn find_value_of_partition(mut nums: Vec<i32>) -> i32 {
            nums.sort();
            let mut ans = i32::MAX;
            for i in 1..nums.len() {
                ans = ans.min(nums[i] - nums[i - 1]);
            }
            ans
        }
    }
    
    

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