Merge branch 'doocs:main' into main

Author: nrhitik

solution/2000-2099/2084.Drop Type 1 Orders for Customers With Type 0 Orders/README.md

@@ -92,4 +92,15 @@ FROM Orders AS o
 WHERE order_type = 0 OR NOT EXISTS (SELECT 1 FROM T AS t WHERE t.customer_id = o.customer_id);
 ```
 
+```sql
+SELECT DISTINCT
+    a.order_id,
+    a.customer_id,
+    a.order_type
+FROM
+    Orders AS a
+    LEFT JOIN Orders AS b ON a.customer_id = b.customer_id AND a.order_type != b.order_type
+WHERE b.order_type IS NULL OR b.order_type = 1;
+```
+
 <!-- tabs:end -->

solution/2000-2099/2084.Drop Type 1 Orders for Customers With Type 0 Orders/README_EN.md

@@ -88,4 +88,15 @@ FROM Orders AS o
 WHERE order_type = 0 OR NOT EXISTS (SELECT 1 FROM T AS t WHERE t.customer_id = o.customer_id);
 ```
 
+```sql
+SELECT DISTINCT
+    a.order_id,
+    a.customer_id,
+    a.order_type
+FROM
+    Orders AS a
+    LEFT JOIN Orders AS b ON a.customer_id = b.customer_id AND a.order_type != b.order_type
+WHERE b.order_type IS NULL OR b.order_type = 1;
+```
+
 <!-- tabs:end -->

solution/2500-2599/2520.Count the Digits That Divide a Number/README.md

@@ -132,6 +132,18 @@ function countDigits(num: number): number {
 }
 ```
 
+```ts
+function countDigits(num: number): number {
+    let ans = 0;
+    for (const s of num.toString()) {
+        if (num % Number(s) === 0) {
+            ans++;
+        }
+    }
+    return ans;
+}
+```
+
 ### **Rust**
 
 ```rust

solution/2500-2599/2520.Count the Digits That Divide a Number/README_EN.md

@@ -119,6 +119,18 @@ function countDigits(num: number): number {
 }
 ```
 
+```ts
+function countDigits(num: number): number {
+    let ans = 0;
+    for (const s of num.toString()) {
+        if (num % Number(s) === 0) {
+            ans++;
+        }
+    }
+    return ans;
+}
+```
+
 ### **Rust**
 
 ```rust