https://leetcode.cn/problems/ugly-number/

Author: masx200

README.md

@@ -10,6 +10,8 @@ leetcode 测试
 
 ##### 包含的内容如下
 
+https://leetcode.cn/problems/ugly-number/
+
 https://leetcode.cn/problems/get-kth-magic-number-lcci/
 
 https://leetcode.cn/problems/sort-integers-by-the-power-value/

ugly-number/index.ts

@@ -0,0 +1,13 @@
+function isUgly(n: number): boolean {
+    if (n <= 0) {
+        return false;
+    }
+
+    for (const factor of [2, 3, 5]) {
+        while (n % factor === 0) {
+            n /= factor;
+        }
+    }
+    return n == 1;
+}
+export default isUgly;