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https://github.com/krahets/hello-algo.git
synced 2025-01-23 06:00:27 +08:00
Finetune Rust code.
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06006c58a2
commit
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@ -7,6 +7,7 @@
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include!("../include/include.rs");
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#[allow(dead_code)]
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/* 列表类简易实现 */
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struct MyList {
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nums: Vec<i32>, // 数组(存储列表元素)
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capacity: usize, // 列表容量
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@ -4,11 +4,11 @@
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* Author: sjinzh (sjinzh@gmail.com)
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*/
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use std::{cell::RefCell, rc::Rc};
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use std::collections::HashMap;
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include!("../include/include.rs");
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use tree_node::TreeNode;
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use std::{cell::RefCell, rc::Rc};
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use std::collections::HashMap;
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include!("../include/include.rs");
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use tree_node::TreeNode;
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/* 构建二叉树:分治 */
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fn dfs(preorder: &[i32], inorder: &[i32], hmap: &HashMap<i32, i32>, i: i32, l: i32, r: i32) -> Option<Rc<RefCell<TreeNode>>> {
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// 子树区间为空时终止
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@ -26,7 +26,7 @@ fn dfs(preorder: &[i32], inorder: &[i32], hmap: &HashMap<i32, i32>, i: i32, l: i
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}
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/* 构建二叉树 */
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fn build_tree(preorder: &[i32], inorder: &[i32]) -> Option<Rc<RefCell<TreeNode>>> {
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fn build_tree(preorder: &[i32], inorder: &[i32]) -> Option<Rc<RefCell<TreeNode>>> {
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// 初始化哈希表,存储 inorder 元素到索引的映射
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let mut hmap: HashMap<i32, i32> = HashMap::new();
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for i in 0..inorder.len() {
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@ -36,8 +36,8 @@ fn dfs(preorder: &[i32], inorder: &[i32], hmap: &HashMap<i32, i32>, i: i32, l: i
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root
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}
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/* Driver Code */
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fn main() {
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/* Driver Code */
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fn main() {
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let preorder = [ 3, 9, 2, 1, 7 ];
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let inorder = [ 9, 3, 1, 2, 7 ];
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println!("中序遍历 = {:?}", preorder);
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@ -46,5 +46,4 @@ fn dfs(preorder: &[i32], inorder: &[i32], hmap: &HashMap<i32, i32>, i: i32, l: i
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let root = build_tree(&preorder, &inorder);
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println!("构建的二叉树为:");
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print_util::print_tree(root.as_ref().unwrap());
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}
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}
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@ -34,4 +34,4 @@ pub fn main() {
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let res = climbing_stairs_backtrack(n);
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println!("爬 {n} 阶楼梯共有 {res} 种方案");
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}
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}
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@ -28,4 +28,4 @@ pub fn main() {
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let res = climbing_stairs_constraint_dp(n);
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println!("爬 {n} 阶楼梯共有 {res} 种方案");
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}
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}
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@ -24,4 +24,4 @@ pub fn main() {
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let res = climbing_stairs_dfs(n);
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println!("爬 {n} 阶楼梯共有 {res} 种方案");
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}
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}
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@ -41,4 +41,4 @@ pub fn main() {
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let res = climbing_stairs_dp_comp(n);
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println!("爬 {n} 阶楼梯共有 {res} 种方案");
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}
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}
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@ -45,4 +45,4 @@ pub fn main() {
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let res = min_cost_climbing_stairs_dp_comp(&cost);
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println!("爬完楼梯的最低代价为 {res}");
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}
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}
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@ -139,4 +139,4 @@ fn main() {
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graph.remove_vertex(v[1]);
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println!("\n删除顶点 3 后,图为");
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graph.print();
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}
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}
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@ -133,4 +133,4 @@ fn main() {
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graph.remove_vertex(1);
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println!("\n删除顶点 3 后,图为");
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graph.print();
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}
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}
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@ -66,4 +66,4 @@ fn main() {
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let res = graph_bfs(graph, v[0]);
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println!("\n广度优先遍历(BFS)顶点序列为");
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println!("{:?}", vets_to_vals(res));
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}
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}
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@ -58,4 +58,4 @@ fn main() {
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let res = graph_dfs(graph, v[0]);
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println!("\n深度优先遍历(DFS)顶点序列为");
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println!("{:?}", vets_to_vals(res));
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}
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}
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@ -51,4 +51,4 @@ fn main() {
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println!("\ncoins = {:?}, amt = {}", coins, amt);
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println!("凑到 {} 所需的最少硬币数量为 {}", amt, res);
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println!("实际上需要的最少数量为 2 ,即 49 + 49");
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}
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}
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@ -56,4 +56,4 @@ fn main() {
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// 贪心算法
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let res = fractional_knapsack(&wgt, &val, cap);
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println!("不超过背包容量的最大物品价值为 {}", res);
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}
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}
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@ -33,4 +33,4 @@ fn main() {
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// 贪心算法
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let res = max_capacity(&ht);
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println!("最大容量为 {}", res);
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}
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}
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@ -12,7 +12,9 @@ pub struct Pair {
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}
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/* 基于数组简易实现的哈希表 */
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pub struct ArrayHashMap { buckets: Vec<Option<Pair>> }
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pub struct ArrayHashMap {
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buckets: Vec<Option<Pair>>
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}
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impl ArrayHashMap {
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pub fn new() -> ArrayHashMap {
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@ -109,4 +111,4 @@ fn main() {
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for val in map.value_set() {
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println!("{}", val);
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}
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}
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}
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@ -70,4 +70,4 @@ fn main() {
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);
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println!("\n输入列表并建立小顶堆后");
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print_util::print_heap(min_heap.iter().map(|&val| min_heap_flag * val).collect());
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}
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}
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@ -116,6 +116,7 @@ impl ArrayDeque {
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}
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}
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/* Driver Code */
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fn main() {
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/* 初始化双向队列 */
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let mut deque = ArrayDeque::new(10);
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@ -82,6 +82,7 @@ impl ArrayQueue {
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}
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}
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/* Driver Code */
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fn main() {
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/* 初始化队列 */
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let capacity = 10;
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