diff --git "a/problems/0005.346円234円200円351円225円277円345円233円236円346円226円207円345円255円220円344円270円262円.md" "b/problems/0005.346円234円200円351円225円277円345円233円236円346円226円207円345円255円220円344円270円262円.md"
index d53acf63e6..6e407d6e99 100644
--- "a/problems/0005.346円234円200円351円225円277円345円233円236円346円226円207円345円255円220円344円270円262円.md"
+++ "b/problems/0005.346円234円200円351円225円277円345円233円236円346円226円207円345円255円220円344円270円262円.md"
@@ -363,6 +363,34 @@ class Solution:
 Go:
 
 ```go
+func longestPalindrome(s string) string {
+ maxLen := 0
+ left := 0
+ length := 0
+ dp := make([][]bool, len(s))
+ for i := 0; i < len(s); i++ { + dp[i] = make([]bool,len(s)) + } + for i := len(s)-1; i>= 0; i-- {
+ for j := i; j < len(s); j++ { + if s[i] == s[j]{ + if j-i <= 1{ // 情况一和情况二 + length = j-i + dp[i][j]=true + }else if dp[i+1][j-1]{ // 情况三 + length = j-i + dp[i][j] = true + } + } + } + if length> maxLen {
+ maxLen = length
+ left = i
+ }
+ }
+ return s[left: left+maxLen+1]
+}
+
 
 ```
 
diff --git "a/problems/0100.347円233円270円345円220円214円347円232円204円346円240円221円.md" "b/problems/0100.347円233円270円345円220円214円347円232円204円346円240円221円.md"
index 9820173d8e..07c477e6ef 100644
--- "a/problems/0100.347円233円270円345円220円214円347円232円204円346円240円221円.md"
+++ "b/problems/0100.347円233円270円345円220円214円347円232円204円346円240円221円.md"
@@ -237,6 +237,26 @@ class Solution:
 return True
 ```
 Go:
+> 递归法
+```go
+func isSameTree(p *TreeNode, q *TreeNode) bool {
+ if p != nil && q == nil {
+ return false
+ }
+ if p == nil && q != nil {
+ return false
+ }
+ if p == nil && q == nil {
+ return true
+ }
+ if p.Val != q.Val {
+ return false
+ }
+ Left := isSameTree(p.Left, q.Left)
+ Right := isSameTree(p.Right, q.Right)
+ return Left && Right
+}
+```
 
 JavaScript:
 
diff --git "a/problems/0129.346円261円202円346円240円271円345円210円260円345円217円266円345円255円220円350円212円202円347円202円271円346円225円260円345円255円227円344円271円213円345円222円214円.md" "b/problems/0129.346円261円202円346円240円271円345円210円260円345円217円266円345円255円220円350円212円202円347円202円271円346円225円260円345円255円227円344円271円213円345円222円214円.md"
index 92a72fe328..859df39e6f 100644
--- "a/problems/0129.346円261円202円346円240円271円345円210円260円345円217円266円345円255円220円350円212円202円347円202円271円346円225円260円345円255円227円344円271円213円345円222円214円.md"
+++ "b/problems/0129.346円261円202円346円240円271円345円210円260円345円217円266円345円255円220円350円212円202円347円202円271円346円225円260円345円255円227円344円271円213円345円222円214円.md"
@@ -250,22 +250,22 @@ Go:
 
 ```go
 func sumNumbers(root *TreeNode) int {
-	sum = 0
-	travel(root, root.Val)
-	return sum
+ sum := 0
+ dfs(root, root.Val, &sum)
+ return sum
 }
 
-func travel(root *TreeNode, tmpSum int) {
-	if root.Left == nil && root.Right == nil {
-		sum += tmpSum
-	} else {
-		if root.Left != nil {
-			travel(root.Left, tmpSum*10+root.Left.Val)
-		}
-		if root.Right != nil {
-			travel(root.Right, tmpSum*10+root.Right.Val)
-		}
-	}
+func dfs(root *TreeNode, tmpSum int, sum *int) {
+ if root.Left == nil && root.Right == nil {
+ *sum += tmpSum
+ } else {
+ if root.Left != nil {
+ dfs(root.Left, tmpSum*10 + root.Left.Val, sum)
+ }
+ if root.Right != nil {
+ dfs(root.Right, tmpSum*10 + root.Right.Val, sum)
+ }
+ }
 }
 ```
 
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<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/AlgorithmAndLeetCode/youngyangyang04-leetcode-master/pull/68.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://patch-diff.githubusercontent.com/raw/AlgorithmAndLeetCode/youngyangyang04-leetcode-master/pull/68.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
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<option value="mobile">モバイル</option>
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<input type="submit" value="表示" />
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