698. Partition to K Equal Sum Subsets LeetCode Solution | Easy Approach

Minimum Cost to Merge Stones

Partition to K Equal Sum Subsets Given an integer array nums and an integer k, return true if it is possible to divide this array into k non-empty subsets whose sums are all equal.

Example 1:

Input: nums = [4,3,2,3,5,2,1], k = 4
Output: true
Explanation: It is possible to divide it into 4 subsets (5), (1, 4), (2,3), (2,3) with equal sums.

Example 2:

Input: nums = [1,2,3,4], k = 3
Output: false


  • 1 <= k <= nums.length <= 16
  • 1 <= nums[i] <= 104
  • The frequency of each element is in the range [1, 4].

Partition to K Equal Sum Subsets Solutions

Time: O(n)
Space: O(n)


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