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@@ -230,7 +230,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
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```zig title="array.zig"
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// 随机返回一个数组元素
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pub fn randomAccess(nums: []i32) i32 {
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fn randomAccess(nums: []i32) i32 {
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// 在区间 [0, nums.len) 中随机抽取一个整数
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var randomIndex = std.crypto.random.intRangeLessThan(usize, 0, nums.len);
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// 获取并返回随机元素
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@@ -389,7 +389,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
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```zig title="array.zig"
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// 扩展数组长度
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pub fn extend(mem_allocator: std.mem.Allocator, nums: []i32, enlarge: usize) ![]i32 {
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fn extend(mem_allocator: std.mem.Allocator, nums: []i32, enlarge: usize) ![]i32 {
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// 初始化一个扩展长度后的数组
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var res = try mem_allocator.alloc(i32, nums.len + enlarge);
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std.mem.set(i32, res, 0);
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@@ -597,7 +597,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
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```zig title="array.zig"
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// 在数组的索引 index 处插入元素 num
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pub fn insert(nums: []i32, num: i32, index: usize) void {
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fn insert(nums: []i32, num: i32, index: usize) void {
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// 把索引 index 以及之后的所有元素向后移动一位
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var i = nums.len - 1;
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while (i > index) : (i -= 1) {
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@@ -608,7 +608,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
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}
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// 删除索引 index 处元素
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pub fn remove(nums: []i32, index: usize) void {
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fn remove(nums: []i32, index: usize) void {
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// 把索引 index 之后的所有元素向前移动一位
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var i = index;
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while (i < nums.len - 1) : (i += 1) {
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@@ -764,7 +764,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
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```zig title="array.zig"
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// 遍历数组
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pub fn traverse(nums: []i32) void {
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fn traverse(nums: []i32) void {
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var count: i32 = 0;
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// 通过索引遍历数组
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var i: i32 = 0;
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@@ -899,7 +899,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
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```zig title="array.zig"
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// 在数组中查找指定元素
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pub fn find(nums: []i32, target: i32) i32 {
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fn find(nums: []i32, target: i32) i32 {
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for (nums) |num, i| {
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if (num == target) return @intCast(i32, i);
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}
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@@ -506,14 +506,14 @@ comments: true
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```zig title="linked_list.zig"
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// 在链表的结点 n0 之后插入结点 P
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pub fn insert(n0: ?*inc.ListNode(i32), P: ?*inc.ListNode(i32)) void {
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fn insert(n0: ?*inc.ListNode(i32), P: ?*inc.ListNode(i32)) void {
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var n1 = n0.?.next;
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n0.?.next = P;
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P.?.next = n1;
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}
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// 删除链表的结点 n0 之后的首个结点
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pub fn remove(n0: ?*inc.ListNode(i32)) void {
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fn remove(n0: ?*inc.ListNode(i32)) void {
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if (n0.?.next == null) return;
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// n0 -> P -> n1
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var P = n0.?.next;
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@@ -653,7 +653,7 @@ comments: true
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```zig title="linked_list.zig"
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// 访问链表中索引为 index 的结点
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pub fn access(node: ?*inc.ListNode(i32), index: i32) ?*inc.ListNode(i32) {
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fn access(node: ?*inc.ListNode(i32), index: i32) ?*inc.ListNode(i32) {
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var head = node;
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var i: i32 = 0;
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while (i < index) : (i += 1) {
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@@ -813,7 +813,7 @@ comments: true
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```zig title="linked_list.zig"
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// 在链表中查找值为 target 的首个结点
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pub fn find(node: ?*inc.ListNode(i32), target: i32) i32 {
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fn find(node: ?*inc.ListNode(i32), target: i32) i32 {
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var head = node;
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var index: i32 = 0;
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while (head != null) {
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@@ -1552,7 +1552,7 @@ comments: true
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```zig title="my_list.zig"
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// 列表类简易实现
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pub fn MyList(comptime T: type) type {
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fn MyList(comptime T: type) type {
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return struct {
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const Self = @This();
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