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Release Rust code to documents. (#656)
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krahets authored Jul 26, 2023
1 parent 60162f6 commit 027bdd6
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14 changes: 7 additions & 7 deletions codes/rust/chapter_array_and_linkedlist/linked_list.rs
Original file line number Diff line number Diff line change
Expand Up @@ -13,9 +13,9 @@ use list_node::ListNode;
/* 在链表的节点 n0 之后插入节点 P */
#[allow(non_snake_case)]
pub fn insert<T>(n0: &Rc<RefCell<ListNode<T>>>, P: Rc<RefCell<ListNode<T>>>) {
let n1 = n0.borrow_mut().next.take();
P.borrow_mut().next = n1;
n0.borrow_mut().next = Some(P);
let n1 = n0.borrow_mut().next.take();
P.borrow_mut().next = n1;
n0.borrow_mut().next = Some(P);
}

/* 删除链表的节点 n0 之后的首个节点 */
Expand All @@ -28,7 +28,7 @@ pub fn remove<T>(n0: &Rc<RefCell<ListNode<T>>>) {
let n1 = node.borrow_mut().next.take();
n0.borrow_mut().next = n1;
}
}
}

/* 访问链表中索引为 index 的节点 */
pub fn access<T>(head: Rc<RefCell<ListNode<T>>>, index: i32) -> Rc<RefCell<ListNode<T>>> {
Expand All @@ -37,7 +37,7 @@ pub fn access<T>(head: Rc<RefCell<ListNode<T>>>, index: i32) -> Rc<RefCell<ListN
return access(node.clone(), index - 1);
}
return head;
}
}

/* 在链表中查找值为 target 的首个节点 */
pub fn find<T: PartialEq>(head: Rc<RefCell<ListNode<T>>>, target: T, index: i32) -> i32 {
Expand All @@ -46,7 +46,7 @@ pub fn find<T: PartialEq>(head: Rc<RefCell<ListNode<T>>>, target: T, index: i32)
return find(node.clone(), target, index + 1);
}
return -1;
}
}

/* Driver Code */
fn main() {
Expand Down Expand Up @@ -74,7 +74,7 @@ fn main() {
remove(&n0);
print!("删除节点后的链表为 ");
print_util::print_linked_list(&n0);

/* 访问节点 */
let node = access(n0.clone(), 3);
println!("链表中索引 3 处的节点的值 = {}", node.borrow().val);
Expand Down
134 changes: 67 additions & 67 deletions codes/rust/chapter_array_and_linkedlist/list.rs
Original file line number Diff line number Diff line change
Expand Up @@ -4,72 +4,72 @@
* Author: xBLACICEx ([email protected]), sjinzh ([email protected])
*/

include!("../include/include.rs");
include!("../include/include.rs");

/* Driver Code */
fn main() {
// 初始化列表
let mut list: Vec<i32> = vec![ 1, 3, 2, 5, 4 ];
print!("列表 list = ");
print_util::print_array(&list);
// 访问元素
let num = list[1];
println!("\n访问索引 1 处的元素,得到 num = {num}");
// 更新元素
list[1] = 0;
print!("将索引 1 处的元素更新为 0 ,得到 list = ");
print_util::print_array(&list);
// 清空列表
list.clear();
print!("\n清空列表后 list = ");
print_util::print_array(&list);
// 尾部添加元素
list.push(1);
list.push(3);
list.push(2);
list.push(5);
list.push(4);
print!("\n添加元素后 list = ");
print_util::print_array(&list);
// 中间插入元素
list.insert(3, 6);
print!("\n在索引 3 处插入数字 6 ,得到 list = ");
print_util::print_array(&list);
// 删除元素
list.remove(3);
print!("\n删除索引 3 处的元素,得到 list = ");
print_util::print_array(&list);
// 通过索引遍历列表
let mut _count = 0;
for _ in 0..list.len() {
_count += 1;
}
// 直接遍历列表元素
_count = 0;
for _n in &list {
_count += 1;
}
// 或者
// list.iter().for_each(|_| _count += 1);
// let _count = list.iter().fold(0, |_count, _| _count + 1);
// 拼接两个列表
let mut list1 = vec![ 6, 8, 7, 10, 9 ];
list.append(&mut list1); // append(移动) 之后 list1 为空!
// list.extend(&list1); // extend(借用) list1 能继续使用
print!("\n将列表 list1 拼接到 list 之后,得到 list = ");
print_util::print_array(&list);
// 排序列表
list.sort();
print!("\n排序列表后 list = ");
print_util::print_array(&list);
}
fn main() {
// 初始化列表
let mut list: Vec<i32> = vec![ 1, 3, 2, 5, 4 ];
print!("列表 list = ");
print_util::print_array(&list);

// 访问元素
let num = list[1];
println!("\n访问索引 1 处的元素,得到 num = {num}");

// 更新元素
list[1] = 0;
print!("将索引 1 处的元素更新为 0 ,得到 list = ");
print_util::print_array(&list);

// 清空列表
list.clear();
print!("\n清空列表后 list = ");
print_util::print_array(&list);

// 尾部添加元素
list.push(1);
list.push(3);
list.push(2);
list.push(5);
list.push(4);
print!("\n添加元素后 list = ");
print_util::print_array(&list);

// 中间插入元素
list.insert(3, 6);
print!("\n在索引 3 处插入数字 6 ,得到 list = ");
print_util::print_array(&list);

// 删除元素
list.remove(3);
print!("\n删除索引 3 处的元素,得到 list = ");
print_util::print_array(&list);

// 通过索引遍历列表
let mut _count = 0;
for _ in 0..list.len() {
_count += 1;
}

// 直接遍历列表元素
_count = 0;
for _n in &list {
_count += 1;
}
// 或者
// list.iter().for_each(|_| _count += 1);
// let _count = list.iter().fold(0, |_count, _| _count + 1);

// 拼接两个列表
let mut list1 = vec![ 6, 8, 7, 10, 9 ];
list.append(&mut list1); // append(移动) 之后 list1 为空!
// list.extend(&list1); // extend(借用) list1 能继续使用
print!("\n将列表 list1 拼接到 list 之后,得到 list = ");
print_util::print_array(&list);

// 排序列表
list.sort();
print!("\n排序列表后 list = ");
print_util::print_array(&list);
}
4 changes: 2 additions & 2 deletions codes/rust/chapter_array_and_linkedlist/my_list.rs
Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,8 @@

include!("../include/include.rs");

#[allow(dead_code)]
/* 列表类简易实现 */
#[allow(dead_code)]
struct MyList {
nums: Vec<i32>, // 数组(存储列表元素)
capacity: usize, // 列表容量
Expand Down Expand Up @@ -154,4 +154,4 @@ fn main() {
print!("\n扩容后的列表 list = ");
print_util::print_array(&list.to_array());
print!(" ,容量 = {} ,长度 = {}", list.capacity(), list.size());
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -4,40 +4,40 @@
* Author: xBLACICEx ([email protected]), sjinzh ([email protected])
*/

include!("../include/include.rs");
include!("../include/include.rs");

use rand::seq::SliceRandom;
use rand::thread_rng;
/* 生成一个数组,元素为 { 1, 2, ..., n },顺序被打乱 */
fn random_numbers(n: i32) -> Vec<i32> {
// 生成数组 nums = { 1, 2, 3, ..., n }
let mut nums = (1..=n).collect::<Vec<i32>>();
// 随机打乱数组元素
nums.shuffle(&mut thread_rng());
nums
}
/* 查找数组 nums 中数字 1 所在索引 */
fn find_one(nums: &[i32]) -> Option<usize> {
for i in 0..nums.len() {
// 当元素 1 在数组头部时,达到最佳时间复杂度 O(1)
// 当元素 1 在数组尾部时,达到最差时间复杂度 O(n)
if nums[i] == 1 {
return Some(i);
}
}
None
}
/* Driver Code */
fn main() {
for _ in 0..10 {
let n = 100;
let nums = random_numbers(n);
let index = find_one(&nums).unwrap();
print!("\n数组 [ 1, 2, ..., n ] 被打乱后 = ");
print_util::print_array(&nums);
println!("\n数字 1 的索引为 {}", index);
}
}
use rand::seq::SliceRandom;
use rand::thread_rng;

/* 生成一个数组,元素为 { 1, 2, ..., n },顺序被打乱 */
fn random_numbers(n: i32) -> Vec<i32> {
// 生成数组 nums = { 1, 2, 3, ..., n }
let mut nums = (1..=n).collect::<Vec<i32>>();
// 随机打乱数组元素
nums.shuffle(&mut thread_rng());
nums
}

/* 查找数组 nums 中数字 1 所在索引 */
fn find_one(nums: &[i32]) -> Option<usize> {
for i in 0..nums.len() {
// 当元素 1 在数组头部时,达到最佳时间复杂度 O(1)
// 当元素 1 在数组尾部时,达到最差时间复杂度 O(n)
if nums[i] == 1 {
return Some(i);
}
}
None
}

/* Driver Code */
fn main() {
for _ in 0..10 {
let n = 100;
let nums = random_numbers(n);
let index = find_one(&nums).unwrap();
print!("\n数组 [ 1, 2, ..., n ] 被打乱后 = ");
print_util::print_array(&nums);
println!("\n数字 1 的索引为 {}", index);
}
}
2 changes: 1 addition & 1 deletion codes/rust/chapter_dynamic_programming/coin_change_ii.rs
Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ fn coin_change_ii_dp(coins: &[i32], amt: usize) -> i32 {
}

/* 零钱兑换 II:状态压缩后的动态规划 */
fn coin_change_dp_ii_comp(coins: &[i32], amt: usize) -> i32 {
fn coin_change_ii_dp_comp(coins: &[i32], amt: usize) -> i32 {
let n = coins.len();
// 初始化 dp 表
let mut dp = vec![0; amt + 1];
Expand Down
6 changes: 3 additions & 3 deletions codes/rust/chapter_sorting/bubble_sort.rs
Original file line number Diff line number Diff line change
Expand Up @@ -26,18 +26,18 @@ fn bubble_sort(nums: &mut [i32]) {
fn bubble_sort_with_flag(nums: &mut [i32]) {
// 外循环:未排序区间为 [0, i]
for i in (1..nums.len()).rev() {
let mut flag = false; // 初始化标志位
let mut flag = false; // 初始化标志位
// 内循环:将未排序区间 [0, i] 中的最大元素交换至该区间的最右端
for j in 0..i {
if nums[j] > nums[j + 1] {
// 交换 nums[j] 与 nums[j + 1]
let tmp = nums[j];
nums[j] = nums[j + 1];
nums[j + 1] = tmp;
flag = true; // 记录交换元素
flag = true; // 记录交换元素
}
}
if !flag {break}; // 此轮冒泡未交换任何元素,直接跳出
if !flag {break}; // 此轮冒泡未交换任何元素,直接跳出
}
}

Expand Down
2 changes: 1 addition & 1 deletion codes/rust/chapter_sorting/insertion_sort.rs
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@

include!("../include/include.rs");

/*插入排序 */
/* 插入排序 */
fn insertion_sort(nums: &mut [i32]) {
// 外循环:已排序元素数量为 1, 2, ..., n
for i in 1..nums.len() {
Expand Down
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