diff --git a/26/01/go/1984.go b/26/01/go/1984.go
new file mode 100644
index 0000000..ccc2512
--- /dev/null
+++ b/26/01/go/1984.go
@@ -0,0 +1,21 @@
+package A
+
+import (
+	"sort"
+)
+
+func minimumDifference(nums []int, k int) int {
+	if k == 1 {
+		return 0
+	}
+	n := len(nums)
+	sort.Ints(nums)
+	ans := nums[n-1] - nums[0]
+	for i := 0; i+k-1 < n; i++ {
+		temp := nums[i+k-1] - nums[i]
+		if ans > temp {
+			ans = temp
+		}
+	}
+	return ans
+}