add: leetcode 1984 test

leetcode/1984.Minimum-Difference-Between-Highest-and-Lowest-of-K-Scores/1984.Minimum Difference Between Highest and Lowest of K Scores_test.go

@@ -0,0 +1,47 @@
+package leetcode
+
+import (
+	"fmt"
+	"testing"
+)
+
+type question1984 struct {
+	para1984
+	ans1984
+}
+
+// para 是参数
+type para1984 struct {
+	nums []int
+	k    int
+}
+
+// ans 是答案
+type ans1984 struct {
+	ans int
+}
+
+func Test_Problem1984(t *testing.T) {
+
+	qs := []question1984{
+
+		{
+			para1984{[]int{90}, 1},
+			ans1984{0},
+		},
+
+		{
+			para1984{[]int{9, 4, 1, 7}, 2},
+			ans1984{2},
+		},
+	}
+
+	fmt.Printf("------------------------Leetcode Problem 1984------------------------\n")
+
+	for _, q := range qs {
+		_, p := q.ans1984, q.para1984
+		fmt.Printf("【input】:%v      ", p)
+		fmt.Printf("【output】:%v      \n", minimumDifference(p.nums, p.k))
+	}
+	fmt.Printf("\n\n\n")
+}