feat: 0009.leetcode-isPalindrome-回文数

shuwenhe · shuwenhe · commit 1cd8f3a75d0c · 2020-08-28T19:58:26.000+08:00
diff --git a/0009.leetcode-isPalindrome-回文数/main.go b/0009.leetcode-isPalindrome-回文数/main.go
@@ -6,6 +6,7 @@ package main
 
 import (
 	"fmt"
+	"strconv"
 )
 
 func main() {
@@ -14,5 +15,18 @@ func main() {
 }
 
 func isPalindrome(x int) bool {
-
+	if x < 0 {
+		return false
+	}
+	if x < 10 {
+		return true
+	}
+	s := strconv.Itoa(x)
+	length := len(s)
+	for i := 0; i <= length/2; i++ {
+		if s[i] != s[length-1-i] {
+			return false
+		}
+	}
+	return true
 }
