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code: update zig 0.14.1 for the chapter of array_and_linkedlist and computational_complexity (#1787)
* update zig array list chapter * update not need change codes. * fix some pr issues and update time space chapter
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// File: ListNode.zig
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// Created Time: 2023-01-07
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// Author: codingonion (coderonion@gmail.com), CreatorMetaSky (creator_meta_sky@163.com)
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const std = @import("std");
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// 链表节点
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pub fn ListNode(comptime T: type) type {
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return struct {
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const Self = @This();
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val: T = 0,
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next: ?*Self = null,
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// Initialize a list node with specific value
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pub fn init(self: *Self, x: i32) void {
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self.val = x;
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self.next = null;
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}
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};
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}
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// 将列表反序列化为链表
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pub fn listToLinkedList(comptime T: type, allocator: std.mem.Allocator, list: std.ArrayList(T)) !?*ListNode(T) {
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var dum = try allocator.create(ListNode(T));
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dum.init(0);
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var head = dum;
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for (list.items) |val| {
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var tmp = try allocator.create(ListNode(T));
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tmp.init(val);
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head.next = tmp;
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head = head.next.?;
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}
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return dum.next;
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}
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// 将数组反序列化为链表
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pub fn arrToLinkedList(comptime T: type, mem_allocator: std.mem.Allocator, arr: []T) !?*ListNode(T) {
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var dum = try mem_allocator.create(ListNode(T));
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dum.init(0);
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var head = dum;
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for (arr) |val| {
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var tmp = try mem_allocator.create(ListNode(T));
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tmp.init(val);
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head.next = tmp;
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head = head.next.?;
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}
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return dum.next;
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}
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