diff --git a/solution/2900-2999/2942.Find Words Containing Character/README.md b/solution/2900-2999/2942.Find Words Containing Character/README.md
index ac978867e8681..8f18d567e267f 100644
--- a/solution/2900-2999/2942.Find Words Containing Character/README.md	
+++ b/solution/2900-2999/2942.Find Words Containing Character/README.md	
@@ -139,13 +139,19 @@ func findWordsContaining(words []string, x byte) (ans []int) {
 
 ```ts
 function findWordsContaining(words: string[], x: string): number[] {
-    const ans: number[] = [];
-    for (let i = 0; i < words.length; ++i) {
-        if (words[i].includes(x)) {
-            ans.push(i);
-        }
+    return words.flatMap((w, i) => (w.includes(x) ? [i] : []));
+}
+```
+
+#### Rust
+
+```rust
+impl Solution {
+    pub fn find_words_containing(words: Vec<String>, x: char) -> Vec<i32> {
+        words.into_iter().enumerate()
+            .filter_map(|(i, w)| w.contains(x).then(|| i as i32))
+            .collect()
     }
-    return ans;
 }
 ```
 
diff --git a/solution/2900-2999/2942.Find Words Containing Character/README_EN.md b/solution/2900-2999/2942.Find Words Containing Character/README_EN.md
index 26bc8faf7efcb..3b8c94867fd85 100644
--- a/solution/2900-2999/2942.Find Words Containing Character/README_EN.md	
+++ b/solution/2900-2999/2942.Find Words Containing Character/README_EN.md	
@@ -137,13 +137,19 @@ func findWordsContaining(words []string, x byte) (ans []int) {
 
 ```ts
 function findWordsContaining(words: string[], x: string): number[] {
-    const ans: number[] = [];
-    for (let i = 0; i < words.length; ++i) {
-        if (words[i].includes(x)) {
-            ans.push(i);
-        }
+    return words.flatMap((w, i) => (w.includes(x) ? [i] : []));
+}
+```
+
+#### Rust
+
+```rust
+impl Solution {
+    pub fn find_words_containing(words: Vec<String>, x: char) -> Vec<i32> {
+        words.into_iter().enumerate()
+            .filter_map(|(i, w)| w.contains(x).then(|| i as i32))
+            .collect()
     }
-    return ans;
 }
 ```
 
diff --git a/solution/2900-2999/2942.Find Words Containing Character/Solution.rs b/solution/2900-2999/2942.Find Words Containing Character/Solution.rs
new file mode 100644
index 0000000000000..0fbec1bebab82
--- /dev/null
+++ b/solution/2900-2999/2942.Find Words Containing Character/Solution.rs	
@@ -0,0 +1,9 @@
+impl Solution {
+    pub fn find_words_containing(words: Vec<String>, x: char) -> Vec<i32> {
+        words
+            .into_iter()
+            .enumerate()
+            .filter_map(|(i, w)| w.contains(x).then(|| i as i32))
+            .collect()
+    }
+}
diff --git a/solution/2900-2999/2942.Find Words Containing Character/Solution.ts b/solution/2900-2999/2942.Find Words Containing Character/Solution.ts
index 63c0b4f674f10..2a6e7a95d9160 100644
--- a/solution/2900-2999/2942.Find Words Containing Character/Solution.ts	
+++ b/solution/2900-2999/2942.Find Words Containing Character/Solution.ts	
@@ -1,9 +1,3 @@
 function findWordsContaining(words: string[], x: string): number[] {
-    const ans: number[] = [];
-    for (let i = 0; i < words.length; ++i) {
-        if (words[i].includes(x)) {
-            ans.push(i);
-        }
-    }
-    return ans;
+    return words.flatMap((w, i) => (w.includes(x) ? [i] : []));
 }