feat: add typescript solution to lc problem: No.2264

No.2264.Largest 3-Same-Digit Number in String

Author: zhaocchen

solution/2200-2299/2264.Largest 3-Same-Digit Number in String/README.md

@@ -83,7 +83,13 @@
 ### **TypeScript**
 
 ```ts
-
+function largestGoodInteger(num: string): string {
+    for (let i = 9; i >= 0; i--) {
+        const c = String(i).repeat(3);
+        if (num.includes(c)) return c;
+    }
+    return '';
+};
 ```
 
 ### **...**

solution/2200-2299/2264.Largest 3-Same-Digit Number in String/README_EN.md

@@ -73,7 +73,13 @@
 ### **TypeScript**
 
 ```ts
-
+function largestGoodInteger(num: string): string {
+    for (let i = 9; i >= 0; i--) {
+        const c = String(i).repeat(3);
+        if (num.includes(c)) return c;
+    }
+    return '';
+};
 ```
 
 ### **...**

solution/2200-2299/2264.Largest 3-Same-Digit Number in String/Solution.ts

@@ -0,0 +1,7 @@
+function largestGoodInteger(num: string): string {
+    for (let i = 9; i >= 0; i--) {
+        const c = String(i).repeat(3);
+        if (num.includes(c)) return c;
+    }
+    return '';
+};