Create: 0271-encode-and-decode-strings.ts

Author: AkifhanIlgaz

typescript/0271-encode-and-decode-strings.ts

@@ -0,0 +1,21 @@
+function encode(strs: string[]): string {
+    return strs.map((str) => `${str.length}#${str}`).join('');
+}
+
+function decode(str: string): string[] {
+    let decodedWords: string[] = [];
+    let i = 0;
+
+    while (i < str.length) {
+        let j: number = i;
+        while (str[j] !== '#') {
+            j++;
+        }
+        let len: number = parseInt(str.slice(i, j), 10);
+        decodedWords.push(str.slice(j + 1, j + 1 + len));
+        i = j + 1 + len;
+    }
+    return decodedWords;
+}
+
+export {};