CS_learn/hello-algo
1
0
Fork 0
mirror of https://github.com/krahets/hello-algo.git synced 2026-04-05 11:41:22 +08:00
Code Issues Packages Projects Releases Wiki Activity

build

Browse Source
This commit is contained in:
krahets
2023-02-09 22:55:29 +08:00
parent 3dcf65c61b
commit 7d86e2dd11
18 changed files with 1029 additions and 71 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
chapter_array_and_linkedlist/array.md
View File

@@ -230,7 +230,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
```zig title="array.zig"
// 随机返回一个数组元素
pub fn randomAccess(nums: []i32) i32 {
fn randomAccess(nums: []i32) i32 {
// 在区间 [0, nums.len) 中随机抽取一个整数
var randomIndex = std.crypto.random.intRangeLessThan(usize, 0, nums.len);
// 获取并返回随机元素
@@ -389,7 +389,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
```zig title="array.zig"
// 扩展数组长度
pub fn extend(mem_allocator: std.mem.Allocator, nums: []i32, enlarge: usize) ![]i32 {
fn extend(mem_allocator: std.mem.Allocator, nums: []i32, enlarge: usize) ![]i32 {
// 初始化一个扩展长度后的数组
var res = try mem_allocator.alloc(i32, nums.len + enlarge);
std.mem.set(i32, res, 0);
@@ -597,7 +597,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
```zig title="array.zig"
// 在数组的索引 index 处插入元素 num
pub fn insert(nums: []i32, num: i32, index: usize) void {
fn insert(nums: []i32, num: i32, index: usize) void {
// 把索引 index 以及之后的所有元素向后移动一位
var i = nums.len - 1;
while (i > index) : (i -= 1) {
@@ -608,7 +608,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
}
// 删除索引 index 处元素
pub fn remove(nums: []i32, index: usize) void {
fn remove(nums: []i32, index: usize) void {
// 把索引 index 之后的所有元素向前移动一位
var i = index;
while (i < nums.len - 1) : (i += 1) {
@@ -764,7 +764,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
```zig title="array.zig"
// 遍历数组
pub fn traverse(nums: []i32) void {
fn traverse(nums: []i32) void {
var count: i32 = 0;
// 通过索引遍历数组
var i: i32 = 0;
@@ -899,7 +899,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
```zig title="array.zig"
// 在数组中查找指定元素
pub fn find(nums: []i32, target: i32) i32 {
fn find(nums: []i32, target: i32) i32 {
for (nums) |num, i| {
if (num == target) return @intCast(i32, i);
}