feat: add rust solution to lc problem: No.0199

No.0119.Pascal's Triangle II

Author: YangFong

solution/0100-0199/0119.Pascal's Triangle II/README.md

@@ -109,6 +109,23 @@ func getRow(rowIndex int) []int {
 }
 ```
 
+### **Rust**
+
+```rust
+impl Solution {
+    pub fn get_row(row_index: i32) -> Vec<i32> {
+        let n = (row_index + 1) as usize;
+        let mut res = vec![1; n];
+        for i in 2..n {
+            for j in (1..i).rev() {
+                res[j] += res[j - 1];
+            }
+        }
+        res
+    }
+}
+```
+
 ### **...**
 
 ```

solution/0100-0199/0119.Pascal's Triangle II/README_EN.md

@@ -110,6 +110,23 @@ func getRow(rowIndex int) []int {
 }
 ```
 
+### **Rust**
+
+```rust
+impl Solution {
+    pub fn get_row(row_index: i32) -> Vec<i32> {
+        let n = (row_index + 1) as usize;
+        let mut res = vec![1; n];
+        for i in 2..n {
+            for j in (1..i).rev() {
+                res[j] += res[j - 1];
+            }
+        }
+        res
+    }
+}
+```
+
 ### **...**
 
 ```

solution/0100-0199/0119.Pascal's Triangle II/Solution.rs

@@ -0,0 +1,12 @@
+impl Solution {
+    pub fn get_row(row_index: i32) -> Vec<i32> {
+        let n = (row_index + 1) as usize;
+        let mut res = vec![1; n];
+        for i in 2..n {
+            for j in (1..i).rev() {
+                res[j] += res[j - 1];
+            }
+        }
+        res
+    }
+}