Translate all code to English (#1836)

* Review the EN heading format. * Fix pythontutor headings. * Fix pythontutor headings. * bug fixes * Fix headings in **/summary.md * Revisit the CN-to-EN translation for Python code using Claude-4.5 * Revisit the CN-to-EN translation for Java code using Claude-4.5 * Revisit the CN-to-EN translation for Cpp code using Claude-4.5. * Fix the dictionary. * Fix cpp code translation for the multipart strings. * Translate Go code to English. * Update workflows to test EN code. * Add EN translation for C. * Add EN translation for CSharp. * Add EN translation for Swift. * Trigger the CI check. * Revert. * Update en/hash_map.md * Add the EN version of Dart code. * Add the EN version of Kotlin code. * Add missing code files. * Add the EN version of JavaScript code. * Add the EN version of TypeScript code. * Fix the workflows. * Add the EN version of Ruby code. * Add the EN version of Rust code. * Update the CI check for the English version code. * Update Python CI check. * Fix cmakelists for en/C code. * Fix Ruby comments
2026-07-23 19:56:06 +00:00 · 2025-12-31 07:44:52 +08:00
parent 45e1295241
commit 2778a6f9c7
1284 changed files with 71557 additions and 3275 deletions
@@ -0,0 +1,87 @@
+/*
+ * File: binary_tree_dfs.rs
+ * Created Time: 2023-04-06
+ * Author: xBLACKICEx (xBLACKICE@outlook.com)
+ */
+
+use hello_algo_rust::include::{print_util, vec_to_tree, TreeNode};
+use hello_algo_rust::op_vec;
+
+use std::cell::RefCell;
+use std::rc::Rc;
+
+/* Preorder traversal */
+fn pre_order(root: Option<&Rc<RefCell<TreeNode>>>) -> Vec<i32> {
+    let mut result = vec![];
+
+    fn dfs(root: Option<&Rc<RefCell<TreeNode>>>, res: &mut Vec<i32>) {
+        if let Some(node) = root {
+            // Visit priority: root node -> left subtree -> right subtree
+            let node = node.borrow();
+            res.push(node.val);
+            dfs(node.left.as_ref(), res);
+            dfs(node.right.as_ref(), res);
+        }
+    }
+    dfs(root, &mut result);
+
+    result
+}
+
+/* Inorder traversal */
+fn in_order(root: Option<&Rc<RefCell<TreeNode>>>) -> Vec<i32> {
+    let mut result = vec![];
+
+    fn dfs(root: Option<&Rc<RefCell<TreeNode>>>, res: &mut Vec<i32>) {
+        if let Some(node) = root {
+            // Visit priority: left subtree -> root node -> right subtree
+            let node = node.borrow();
+            dfs(node.left.as_ref(), res);
+            res.push(node.val);
+            dfs(node.right.as_ref(), res);
+        }
+    }
+    dfs(root, &mut result);
+
+    result
+}
+
+/* Postorder traversal */
+fn post_order(root: Option<&Rc<RefCell<TreeNode>>>) -> Vec<i32> {
+    let mut result = vec![];
+
+    fn dfs(root: Option<&Rc<RefCell<TreeNode>>>, res: &mut Vec<i32>) {
+        if let Some(node) = root {
+            // Visit priority: left subtree -> right subtree -> root node
+            let node = node.borrow();
+            dfs(node.left.as_ref(), res);
+            dfs(node.right.as_ref(), res);
+            res.push(node.val);
+        }
+    }
+
+    dfs(root, &mut result);
+
+    result
+}
+
+/* Driver Code */
+fn main() {
+    /* Initialize binary tree */
+    // Here we use a function to generate a binary tree directly from an array
+    let root = vec_to_tree(op_vec![1, 2, 3, 4, 5, 6, 7]);
+    println!("Initialize binary tree\n");
+    print_util::print_tree(root.as_ref().unwrap());
+
+    /* Preorder traversal */
+    let vec = pre_order(root.as_ref());
+    println!("\nPre-order traversal node sequence = {:?}", vec);
+
+    /* Inorder traversal */
+    let vec = in_order(root.as_ref());
+    println!("\nIn-order traversal node sequence = {:?}", vec);
+
+    /* Postorder traversal */
+    let vec = post_order(root.as_ref());
+    print!("\nPost-order traversal node sequence = {:?}", vec);
+}