added problem 2244

Author: SHA65536

problems/problem2244/min_rounds_tasks.go

@@ -0,0 +1,26 @@
+package problem2244
+
+/*
+You are given a 0-indexed integer array tasks, where tasks[i] represents the difficulty level of a task.
+In each round, you can complete either 2 or 3 tasks of the same difficulty level.
+Return the minimum rounds required to complete all the tasks, or -1 if it is not possible to complete all the tasks.
+*/
+
+func minimumRounds(tasks []int) int {
+	var res int
+	var tmap = map[int]int{}
+	for _, i := range tasks {
+		tmap[i]++
+	}
+	for _, v := range tmap {
+		if v == 1 {
+			return -1
+		}
+		if v%3 == 0 {
+			res += v / 3
+		} else {
+			res += (v / 3) + 1
+		}
+	}
+	return res
+}

problems/problem2244/min_rounds_tasks_test.go

@@ -0,0 +1,28 @@
+package problem2244
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+type Result struct {
+	Input    []int
+	Expected int
+}
+
+var Results = []Result{
+	{[]int{2, 2, 3, 3, 2, 4, 4, 4, 4, 4}, 4},
+	{[]int{2, 3, 3}, -1},
+}
+
+func TestMinRoundsForTasks(t *testing.T) {
+	assert := assert.New(t)
+
+	for _, res := range Results {
+		want := res.Expected
+		got := minimumRounds(res.Input)
+		assert.Equal(want, got, fmt.Sprintf("%+v", res))
+	}
+}

readme.md

@@ -337,6 +337,7 @@ Each problem is in it's own directory, with test files. There are helper package
 | 2148 | [Count Elements With Strictly Smaller and Greater Elements](https://leetcode.com/problems/count-elements-with-strictly-smaller-and-greater-elements) | [My Solution](./problems/problem2148) | ✅ |
 | 2165 | [Smallest Value of the Rearranged Number](https://leetcode.com/problems/smallest-value-of-the-rearranged-number/) | [My Solution](./problems/problem2165) | ✅ |
 | 2225 | [Find Players With Zero or One Losses](https://leetcode.com/problems/find-players-with-zero-or-one-losses/) | [My Solution](./problems/problem2225) | ✅ |
+| 2244 | [Minimum Rounds to Complete All Tasks](https://leetcode.com/problems/minimum-rounds-to-complete-all-tasks) | [My Solution](./problems/problem2244) | ✅ |
 | 2256 | [Minimum Average Difference](https://leetcode.com/problems/minimum-average-difference/) | [My Solution](./problems/problem2256) | ✅ |
 | 2259 | [Remove Digit From Number to Maximize Result](https://leetcode.com/problems/remove-digit-from-number-to-maximize-result) | [My Solution](./problems/problem2259) | ✅ |
 | 2278 | [Percentage of Letter in String](https://leetcode.com/problems/percentage-of-letter-in-string) | [My Solution](./problems/problem2278) | ✅ |