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Given an integer array **a[ ]** of **N** elements and an integer **K**, the task is to check if the array **a[ ]** could be divided into **K** non-empty subsets with equal sum of elements.

**Note:** All elements of this array should be part of exactly one partition.

**Example 1:**

**Input:**
N = 5
a[] = {2,1,4,5,6}
K = 3
**Output:**
1
**Explanation:** we can divide above array
into 3 parts with equal sum as (2, 4),
(1, 5), (6)

â€‹**Example 2:**

**Input**:
N = 5
a[] = {2,1,5,5,6}
K = 3
**Output:**
0
**Explanation**: It is not possible to divide
above array into 3 parts with equal sum.

**Your Task:**

You don't need to read input or print anything. Your task is to complete the function **isKPartitionPossible()** which takes the array a[], the size of the array N, and the value of K as inputs and returns true(same as 1) if possible, otherwise false(same as 0).

**Expected Time Complexity:** O(N*2^{N}).

**Expected Auxiliary Space:** O(2^{N}).

**Constraints:**

1 ≤ K ≤ N ≤ 10

1 ≤ a[i] ≤ 100

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Partition array to K subsets

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