From 690d4c8e2d14a079d70a7823b2f6c9e07b7ab79d Mon Sep 17 00:00:00 2001
From: rain84 <rainy_sky@mail.ru>
Date: Thu, 30 May 2024 23:52:21 +0300
Subject: [PATCH 1/4] feat: add TS solution to lc problem No.290

---
 .../0200-0299/0290.Word Pattern/README_EN.md  | 29 +++++++++++++++++++
 .../0200-0299/0290.Word Pattern/Solution2.ts  | 14 +++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 solution/0200-0299/0290.Word Pattern/Solution2.ts

diff --git a/solution/0200-0299/0290.Word Pattern/README_EN.md b/solution/0200-0299/0290.Word Pattern/README_EN.md
index b04624d9d6ea3..ddfed4ecce5b7 100644
--- a/solution/0200-0299/0290.Word Pattern/README_EN.md	
+++ b/solution/0200-0299/0290.Word Pattern/README_EN.md	
@@ -262,4 +262,33 @@ public class Solution {
 
 <!-- solution:end -->
 
+<!-- solution:start -->
+
+### Solution 2
+
+<!-- tabs:start -->
+
+#### TypeScript
+
+```ts
+function wordPattern(pattern: string, s: string): boolean {
+    const hash: Record<string, string> = Object.create(null);
+    const arr = s.split(/\s+/);
+
+    if (pattern.length !== arr.length || new Set(pattern).size !== new Set(arr).size) return false;
+
+    for (let i = 0; i < pattern.length; i++) {
+        hash[pattern[i]] ??= arr[i];
+
+        if (hash[pattern[i]] !== arr[i]) return false;
+    }
+
+    return true;
+}
+```
+
+<!-- tabs:end -->
+
+<!-- solution:end -->
+
 <!-- problem:end -->
diff --git a/solution/0200-0299/0290.Word Pattern/Solution2.ts b/solution/0200-0299/0290.Word Pattern/Solution2.ts
new file mode 100644
index 0000000000000..326ddc243bc26
--- /dev/null
+++ b/solution/0200-0299/0290.Word Pattern/Solution2.ts	
@@ -0,0 +1,14 @@
+function wordPattern(pattern: string, s: string): boolean {
+    const hash: Record<string, string> = Object.create(null);
+    const arr = s.split(/\s+/);
+
+    if (pattern.length !== arr.length || new Set(pattern).size !== new Set(arr).size) return false;
+
+    for (let i = 0; i < pattern.length; i++) {
+        hash[pattern[i]] ??= arr[i];
+
+        if (hash[pattern[i]] !== arr[i]) return false;
+    }
+
+    return true;
+}

From 2a6a6b097d74641c63bf27e015ef091c789c9ae8 Mon Sep 17 00:00:00 2001
From: Libin YANG <contact@yanglibin.info>
Date: Fri, 31 May 2024 09:48:49 +0800
Subject: [PATCH 2/4] Update README_EN.md

---
 solution/0200-0299/0290.Word Pattern/README_EN.md | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/solution/0200-0299/0290.Word Pattern/README_EN.md b/solution/0200-0299/0290.Word Pattern/README_EN.md
index ddfed4ecce5b7..2a8f2bd91b3a0 100644
--- a/solution/0200-0299/0290.Word Pattern/README_EN.md	
+++ b/solution/0200-0299/0290.Word Pattern/README_EN.md	
@@ -275,12 +275,15 @@ function wordPattern(pattern: string, s: string): boolean {
     const hash: Record<string, string> = Object.create(null);
     const arr = s.split(/\s+/);
 
-    if (pattern.length !== arr.length || new Set(pattern).size !== new Set(arr).size) return false;
+    if (pattern.length !== arr.length || new Set(pattern).size !== new Set(arr).size) {
+        return false;
+    }
 
     for (let i = 0; i < pattern.length; i++) {
         hash[pattern[i]] ??= arr[i];
-
-        if (hash[pattern[i]] !== arr[i]) return false;
+        if (hash[pattern[i]] !== arr[i]) {
+            return false;
+        }
     }
 
     return true;

From 9d5b62390613ec9b9b950a771c09d3b9c98467c7 Mon Sep 17 00:00:00 2001
From: Libin YANG <contact@yanglibin.info>
Date: Fri, 31 May 2024 09:48:58 +0800
Subject: [PATCH 3/4] Update Solution2.ts

---
 solution/0200-0299/0290.Word Pattern/Solution2.ts | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/solution/0200-0299/0290.Word Pattern/Solution2.ts b/solution/0200-0299/0290.Word Pattern/Solution2.ts
index 326ddc243bc26..bb610f1a658ad 100644
--- a/solution/0200-0299/0290.Word Pattern/Solution2.ts	
+++ b/solution/0200-0299/0290.Word Pattern/Solution2.ts	
@@ -2,12 +2,15 @@ function wordPattern(pattern: string, s: string): boolean {
     const hash: Record<string, string> = Object.create(null);
     const arr = s.split(/\s+/);
 
-    if (pattern.length !== arr.length || new Set(pattern).size !== new Set(arr).size) return false;
+    if (pattern.length !== arr.length || new Set(pattern).size !== new Set(arr).size) {
+        return false;
+    }
 
     for (let i = 0; i < pattern.length; i++) {
         hash[pattern[i]] ??= arr[i];
-
-        if (hash[pattern[i]] !== arr[i]) return false;
+        if (hash[pattern[i]] !== arr[i]) {
+            return false;
+        }
     }
 
     return true;

From 50e2cec45572783a48733f38dc46eb22e89f816c Mon Sep 17 00:00:00 2001
From: Libin YANG <contact@yanglibin.info>
Date: Fri, 31 May 2024 09:50:50 +0800
Subject: [PATCH 4/4] Update README.md

---
 .../0200-0299/0290.Word Pattern/README.md     | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/solution/0200-0299/0290.Word Pattern/README.md b/solution/0200-0299/0290.Word Pattern/README.md
index c36d9f6879a7c..a9736836e3b8b 100644
--- a/solution/0200-0299/0290.Word Pattern/README.md	
+++ b/solution/0200-0299/0290.Word Pattern/README.md	
@@ -261,4 +261,36 @@ public class Solution {
 
 <!-- solution:end -->
 
+<!-- solution:start -->
+
+### 方法二：哈希表的另一种写法
+
+<!-- tabs:start -->
+
+#### TypeScript
+
+```ts
+function wordPattern(pattern: string, s: string): boolean {
+    const hash: Record<string, string> = Object.create(null);
+    const arr = s.split(/\s+/);
+
+    if (pattern.length !== arr.length || new Set(pattern).size !== new Set(arr).size) {
+        return false;
+    }
+
+    for (let i = 0; i < pattern.length; i++) {
+        hash[pattern[i]] ??= arr[i];
+        if (hash[pattern[i]] !== arr[i]) {
+            return false;
+        }
+    }
+
+    return true;
+}
+```
+
+<!-- tabs:end -->
+
+<!-- solution:end -->
+
 <!-- problem:end -->