add: leetcode 540 test

leetcode/0540.Single-Element-in-a-Sorted-Array/540.Single Element in a Sorted Array_test.go

@@ -0,0 +1,46 @@
+package leetcode
+
+import (
+	"fmt"
+	"testing"
+)
+
+type question540 struct {
+	para540
+	ans540
+}
+
+// para 是参数
+type para540 struct {
+	nums []int
+}
+
+// ans 是答案
+type ans540 struct {
+	ans int
+}
+
+func Test_Problem540(t *testing.T) {
+
+	qs := []question540{
+
+		{
+			para540{[]int{1, 1, 2, 3, 3, 4, 4, 8, 8}},
+			ans540{2},
+		},
+
+		{
+			para540{[]int{3, 3, 7, 7, 10, 11, 11}},
+			ans540{10},
+		},
+	}
+
+	fmt.Printf("------------------------Leetcode Problem 540------------------------\n")
+
+	for _, q := range qs {
+		_, p := q.ans540, q.para540
+		fmt.Printf("【input】:%v      ", p.nums)
+		fmt.Printf("【output】:%v      \n", singleNonDuplicate(p.nums))
+	}
+	fmt.Printf("\n\n\n")
+}