From 84cc19931b02f64acb9cedbc81b8fe54607a6a86 Mon Sep 17 00:00:00 2001
From: zhaocchen <zhaocchen@163.com>
Date: Thu, 1 Jul 2021 15:45:13 +0800
Subject: [PATCH] feat: add typescript solution to lc problem:
 No.0172.Factorial Trailing Zeroes

---
 .../0172.Factorial Trailing Zeroes/README.md      | 15 +++++++++++++++
 .../0172.Factorial Trailing Zeroes/README_EN.md   | 13 +++++++++++++
 .../0172.Factorial Trailing Zeroes/Solution.ts    |  8 ++++++++
 3 files changed, 36 insertions(+)
 create mode 100644 solution/0100-0199/0172.Factorial Trailing Zeroes/Solution.ts

diff --git a/solution/0100-0199/0172.Factorial Trailing Zeroes/README.md b/solution/0100-0199/0172.Factorial Trailing Zeroes/README.md
index 031f588d4f221..afa8677fc93c9 100644
--- a/solution/0100-0199/0172.Factorial Trailing Zeroes/README.md	
+++ b/solution/0100-0199/0172.Factorial Trailing Zeroes/README.md	
@@ -27,6 +27,8 @@
 
 <!-- 这里可写通用的实现逻辑 -->
 
+统计5的个数
+
 <!-- tabs:start -->
 
 ### **Python3**
@@ -45,6 +47,19 @@
 
 ```
 
+### **TypeScript**
+
+```ts
+function trailingZeroes(n: number): number {
+    let count = 0;
+    while (n > 0) {
+        n = Math.floor(n / 5);
+        count += n;
+    }
+    return count;
+};
+```
+
 ### **...**
 
 ```
diff --git a/solution/0100-0199/0172.Factorial Trailing Zeroes/README_EN.md b/solution/0100-0199/0172.Factorial Trailing Zeroes/README_EN.md
index 96ec8ade640e0..fb40dcf0b8faf 100644
--- a/solution/0100-0199/0172.Factorial Trailing Zeroes/README_EN.md	
+++ b/solution/0100-0199/0172.Factorial Trailing Zeroes/README_EN.md	
@@ -56,6 +56,19 @@
 
 ```
 
+### **TypeScript**
+
+```ts
+function trailingZeroes(n: number): number {
+    let count = 0;
+    while (n > 0) {
+        n = Math.floor(n / 5);
+        count += n;
+    }
+    return count;
+};
+```
+
 ### **...**
 
 ```
diff --git a/solution/0100-0199/0172.Factorial Trailing Zeroes/Solution.ts b/solution/0100-0199/0172.Factorial Trailing Zeroes/Solution.ts
new file mode 100644
index 0000000000000..ddb0043efa6e1
--- /dev/null
+++ b/solution/0100-0199/0172.Factorial Trailing Zeroes/Solution.ts	
@@ -0,0 +1,8 @@
+function trailingZeroes(n: number): number {
+    let count = 0;
+    while (n > 0) {
+        n = Math.floor(n / 5);
+        count += n;
+    }
+    return count;
+};
\ No newline at end of file