feat: add solutions to lc problem: No.1022

No.1022.Sum of Root To Leaf Binary Numbers

Author: YangFong

solution/1000-1099/1022.Sum of Root To Leaf Binary Numbers/README.md

@@ -169,6 +169,81 @@ func sumRootToLeaf(root *TreeNode) int {
 }
 ```
 
+### **TypeScript**
+
+```ts
+/**
+ * Definition for a binary tree node.
+ * class TreeNode {
+ *     val: number
+ *     left: TreeNode | null
+ *     right: TreeNode | null
+ *     constructor(val?: number, left?: TreeNode | null, right?: TreeNode | null) {
+ *         this.val = (val===undefined ? 0 : val)
+ *         this.left = (left===undefined ? null : left)
+ *         this.right = (right===undefined ? null : right)
+ *     }
+ * }
+ */
+
+function sumRootToLeaf(root: TreeNode | null): number {
+    const dfs = (root: TreeNode | null, num: number) => {
+        if (root == null) {
+            return 0;
+        }
+        const { val, left, right } = root;
+        num = (num << 1) | val;
+        if (left == null && right == null) {
+            return num;
+        }
+        return dfs(left, num) + dfs(right, num);
+    };
+    return dfs(root, 0);
+}
+```
+
+### **Rust**
+
+```rust
+// Definition for a binary tree node.
+// #[derive(Debug, PartialEq, Eq)]
+// pub struct TreeNode {
+//   pub val: i32,
+//   pub left: Option<Rc<RefCell<TreeNode>>>,
+//   pub right: Option<Rc<RefCell<TreeNode>>>,
+// }
+//
+// impl TreeNode {
+//   #[inline]
+//   pub fn new(val: i32) -> Self {
+//     TreeNode {
+//       val,
+//       left: None,
+//       right: None
+//     }
+//   }
+// }
+use std::rc::Rc;
+use std::cell::RefCell;
+impl Solution {
+    fn dfs(root: &Option<Rc<RefCell<TreeNode>>>, mut num: i32) -> i32 {
+        if root.is_none() {
+            return 0;
+        }
+        let root = root.as_ref().unwrap().borrow();
+        num = (num << 1) | root.val;
+        if root.left.is_none() && root.right.is_none() {
+            return num;
+        }
+        Self::dfs(&root.left, num) + Self::dfs(&root.right, num)
+    }
+
+    pub fn sum_root_to_leaf(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
+        Self::dfs(&root, 0)
+    }
+}
+```
+
 ### **...**
 
 ```

solution/1000-1099/1022.Sum of Root To Leaf Binary Numbers/README_EN.md

@@ -159,6 +159,81 @@ func sumRootToLeaf(root *TreeNode) int {
 }
 ```
 
+### **TypeScript**
+
+```ts
+/**
+ * Definition for a binary tree node.
+ * class TreeNode {
+ *     val: number
+ *     left: TreeNode | null
+ *     right: TreeNode | null
+ *     constructor(val?: number, left?: TreeNode | null, right?: TreeNode | null) {
+ *         this.val = (val===undefined ? 0 : val)
+ *         this.left = (left===undefined ? null : left)
+ *         this.right = (right===undefined ? null : right)
+ *     }
+ * }
+ */
+
+function sumRootToLeaf(root: TreeNode | null): number {
+    const dfs = (root: TreeNode | null, num: number) => {
+        if (root == null) {
+            return 0;
+        }
+        const { val, left, right } = root;
+        num = (num << 1) | val;
+        if (left == null && right == null) {
+            return num;
+        }
+        return dfs(left, num) + dfs(right, num);
+    };
+    return dfs(root, 0);
+}
+```
+
+### **Rust**
+
+```rust
+// Definition for a binary tree node.
+// #[derive(Debug, PartialEq, Eq)]
+// pub struct TreeNode {
+//   pub val: i32,
+//   pub left: Option<Rc<RefCell<TreeNode>>>,
+//   pub right: Option<Rc<RefCell<TreeNode>>>,
+// }
+//
+// impl TreeNode {
+//   #[inline]
+//   pub fn new(val: i32) -> Self {
+//     TreeNode {
+//       val,
+//       left: None,
+//       right: None
+//     }
+//   }
+// }
+use std::rc::Rc;
+use std::cell::RefCell;
+impl Solution {
+    fn dfs(root: &Option<Rc<RefCell<TreeNode>>>, mut num: i32) -> i32 {
+        if root.is_none() {
+            return 0;
+        }
+        let root = root.as_ref().unwrap().borrow();
+        num = (num << 1) | root.val;
+        if root.left.is_none() && root.right.is_none() {
+            return num;
+        }
+        Self::dfs(&root.left, num) + Self::dfs(&root.right, num)
+    }
+
+    pub fn sum_root_to_leaf(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
+        Self::dfs(&root, 0)
+    }
+}
+```
+
 ### **...**
 
 ```

solution/1000-1099/1022.Sum of Root To Leaf Binary Numbers/Solution.rs

@@ -0,0 +1,37 @@
+// Definition for a binary tree node.
+// #[derive(Debug, PartialEq, Eq)]
+// pub struct TreeNode {
+//   pub val: i32,
+//   pub left: Option<Rc<RefCell<TreeNode>>>,
+//   pub right: Option<Rc<RefCell<TreeNode>>>,
+// }
+//
+// impl TreeNode {
+//   #[inline]
+//   pub fn new(val: i32) -> Self {
+//     TreeNode {
+//       val,
+//       left: None,
+//       right: None
+//     }
+//   }
+// }
+use std::rc::Rc;
+use std::cell::RefCell;
+impl Solution {
+    fn dfs(root: &Option<Rc<RefCell<TreeNode>>>, mut num: i32) -> i32 {
+        if root.is_none() {
+            return 0;
+        }
+        let root = root.as_ref().unwrap().borrow();
+        num = (num << 1) | root.val;
+        if root.left.is_none() && root.right.is_none() {
+            return num;
+        }
+        Self::dfs(&root.left, num) + Self::dfs(&root.right, num)
+    }
+
+    pub fn sum_root_to_leaf(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
+        Self::dfs(&root, 0)
+    }
+}

solution/1000-1099/1022.Sum of Root To Leaf Binary Numbers/Solution.ts

@@ -0,0 +1,28 @@
+/**
+ * Definition for a binary tree node.
+ * class TreeNode {
+ *     val: number
+ *     left: TreeNode | null
+ *     right: TreeNode | null
+ *     constructor(val?: number, left?: TreeNode | null, right?: TreeNode | null) {
+ *         this.val = (val===undefined ? 0 : val)
+ *         this.left = (left===undefined ? null : left)
+ *         this.right = (right===undefined ? null : right)
+ *     }
+ * }
+ */
+
+function sumRootToLeaf(root: TreeNode | null): number {
+    const dfs = (root: TreeNode | null, num: number) => {
+        if (root == null) {
+            return 0;
+        }
+        const { val, left, right } = root;
+        num = (num << 1) | val;
+        if (left == null && right == null) {
+            return num;
+        }
+        return dfs(left, num) + dfs(right, num);
+    };
+    return dfs(root, 0);
+}