feat: add solution to lc problem: No.1576 (doocs#654)

No.1576.Replace All ?'s to Avoid Consecutive Repeating Characters

Author: YangFong

solution/1500-1599/1576.Replace All 's to Avoid Consecutive Repeating Characters/README.md

@@ -155,4 +155,28 @@ func modifyString(s string) string {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function modifyString(s: string): string {
+    const strArr = s.split("");
+    const n = s.length;
+    for (let i = 0; i < n; i++) {
+        if (strArr[i] === "?") {
+            const before = strArr[i - 1];
+            const after = strArr[i + 1];
+
+            if (after !== "a" && before !== "a") {
+                strArr[i] = "a";
+            } else if (after !== "b" && before !== "b") {
+                strArr[i] = "b";
+            } else {
+                strArr[i] = "c";
+            }
+        }
+    }
+    return strArr.join("");
+}
+```
+
 <!-- tabs:end -->

solution/1500-1599/1576.Replace All 's to Avoid Consecutive Repeating Characters/README_EN.md

@@ -143,4 +143,28 @@ func modifyString(s string) string {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function modifyString(s: string): string {
+    const strArr = s.split("");
+    const n = s.length;
+    for (let i = 0; i < n; i++) {
+        if (strArr[i] === "?") {
+            const before = strArr[i - 1];
+            const after = strArr[i + 1];
+
+            if (after !== "a" && before !== "a") {
+                strArr[i] = "a";
+            } else if (after !== "b" && before !== "b") {
+                strArr[i] = "b";
+            } else {
+                strArr[i] = "c";
+            }
+        }
+    }
+    return strArr.join("");
+}
+```
+
 <!-- tabs:end -->

solution/1500-1599/1576.Replace All 's to Avoid Consecutive Repeating Characters/Solution.ts

@@ -0,0 +1,19 @@
+function modifyString(s: string): string {
+    const strArr = s.split("");
+    const n = s.length;
+    for (let i = 0; i < n; i++) {
+        if (strArr[i] === "?") {
+            const before = strArr[i - 1];
+            const after = strArr[i + 1];
+
+            if (after !== "a" && before !== "a") {
+                strArr[i] = "a";
+            } else if (after !== "b" && before !== "b") {
+                strArr[i] = "b";
+            } else {
+                strArr[i] = "c";
+            }
+        }
+    }
+    return strArr.join("");
+}