go: add «2530. Maximal Score After Applying K Operations»

URL:	https://leetcode.com/problems/maximal-score-after-applying-k-operations/
Signed-off-by: Matej Focko <me@mfocko.xyz>

go/maximal-score-after-applying-k-operations.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"cmp"
+
+	pq "github.com/emirpasic/gods/v2/queues/priorityqueue"
+)
+
+func maxKelements(nums []int, k int) int64 {
+	intCeil := func(whole, remainder int) int {
+		if remainder != 0 {
+			return whole + 1
+		}
+		return whole
+	}
+
+	descending := func(a, b int) int {
+		return -cmp.Compare(a, b)
+	}
+
+	q := pq.NewWith(descending)
+	for _, x := range nums {
+		q.Enqueue(x)
+	}
+
+	score := int64(0)
+	for i := 0; i < k; i++ {
+		num, _ := q.Dequeue()
+		score += int64(num)
+
+		q.Enqueue(intCeil(num/3, num%3))
+	}
+	return score
+}