From b51ecbdaf973870f9805f7acd2c38aaa8bba5e9f Mon Sep 17 00:00:00 2001
From: rain84 <rainy_sky@mail.ru>
Date: Sun, 20 Oct 2024 06:04:13 +0300
Subject: [PATCH 1/2] feat: add solutions to lc problem: No.1545

---
 .../README.md                                 | 23 +++++++++++++++++++
 .../README_EN.md                              | 23 +++++++++++++++++++
 .../Solution2.js                              |  1 +
 .../Solution2.ts                              |  2 ++
 4 files changed, 49 insertions(+)
 create mode 100644 solution/1500-1599/1545.Find Kth Bit in Nth Binary String/Solution2.js
 create mode 100644 solution/1500-1599/1545.Find Kth Bit in Nth Binary String/Solution2.ts

diff --git a/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/README.md b/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/README.md
index 2366c4ac33d88..bc9a96a0a296f 100644
--- a/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/README.md	
+++ b/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/README.md	
@@ -215,4 +215,27 @@ function findKthBit(n: number, k: number): string {
 
 <!-- solution:end -->
 
+<!-- solution:start -->
+
+### Solution 2: Bit Manipulation
+
+<!-- tabs:start -->
+
+#### TypeScript
+
+```ts
+const findKthBit = (n: number, k: number): string =>
+    String((((k / (k & -k)) >> 1) & 1) ^ (k & 1) ^ 1);
+```
+
+#### JavaScript
+
+```js
+const findKthBit = (n, k) => String((((k / (k & -k)) >> 1) & 1) ^ (k & 1) ^ 1);
+```
+
+<!-- tabs:end -->
+
+<!-- solution:end -->
+
 <!-- problem:end -->
diff --git a/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/README_EN.md b/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/README_EN.md
index 45389ab250a6f..fb82d79ee3240 100644
--- a/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/README_EN.md	
+++ b/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/README_EN.md	
@@ -201,4 +201,27 @@ function findKthBit(n: number, k: number): string {
 
 <!-- solution:end -->
 
+<!-- solution:start -->
+
+### Solution 2: Bit Manipulation
+
+<!-- tabs:start -->
+
+#### TypeScript
+
+```ts
+const findKthBit = (n: number, k: number): string =>
+    String((((k / (k & -k)) >> 1) & 1) ^ (k & 1) ^ 1);
+```
+
+#### JavaScript
+
+```js
+const findKthBit = (n, k) => String((((k / (k & -k)) >> 1) & 1) ^ (k & 1) ^ 1);
+```
+
+<!-- tabs:end -->
+
+<!-- solution:end -->
+
 <!-- problem:end -->
diff --git a/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/Solution2.js b/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/Solution2.js
new file mode 100644
index 0000000000000..9cb6d6e5f78f7
--- /dev/null
+++ b/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/Solution2.js	
@@ -0,0 +1 @@
+const findKthBit = (n, k) => String((((k / (k & -k)) >> 1) & 1) ^ (k & 1) ^ 1);
diff --git a/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/Solution2.ts b/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/Solution2.ts
new file mode 100644
index 0000000000000..dc914608bd9e5
--- /dev/null
+++ b/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/Solution2.ts	
@@ -0,0 +1,2 @@
+const findKthBit = (n: number, k: number): string =>
+    String((((k / (k & -k)) >> 1) & 1) ^ (k & 1) ^ 1);

From 79bc3166a5145abdc005c97c9026452ea719747a Mon Sep 17 00:00:00 2001
From: Libin YANG <contact@yanglibin.info>
Date: Sun, 20 Oct 2024 13:17:22 +0800
Subject: [PATCH 2/2] Update README.md

---
 .../1500-1599/1545.Find Kth Bit in Nth Binary String/README.md  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/README.md b/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/README.md
index bc9a96a0a296f..4524c2e58f4de 100644
--- a/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/README.md	
+++ b/solution/1500-1599/1545.Find Kth Bit in Nth Binary String/README.md	
@@ -217,7 +217,7 @@ function findKthBit(n: number, k: number): string {
 
 <!-- solution:start -->
 
-### Solution 2: Bit Manipulation
+### 方法二：位运算
 
 <!-- tabs:start -->