add zig codes for Section 'Stack', 'Bubble Sort' and 'Insertion Sort'

codes/zig/chapter_stack_and_queue/stack.zig

@@ -0,0 +1,44 @@
+// File: stack.zig
+// Created Time: 2023-01-08
+// Author: sjinzh (sjinzh@gmail.com)
+
+const std = @import("std");
+const inc = @import("include");
+
+// Driver Code
+pub fn main() !void {
+    // 初始化栈
+    // 在 zig 中，推荐将 ArrayList 当作栈来使用
+    var stack = std.ArrayList(i32).init(std.heap.page_allocator);
+    // 延迟释放内存
+    defer stack.deinit();
+
+    // 元素入栈
+    try stack.append(1);
+    try stack.append(3);
+    try stack.append(2);
+    try stack.append(5);
+    try stack.append(4);
+    std.debug.print("栈 stack = ", .{});
+    inc.PrintUtil.printList(i32, stack);
+
+    // 访问栈顶元素
+    var top = stack.items[stack.items.len - 1];
+    std.debug.print("\n栈顶元素 top = {}", .{top});
+
+    // 元素出栈
+    top = stack.pop();
+    std.debug.print("\n出栈元素 pop = {}，出栈后 stack = ", .{top});
+    inc.PrintUtil.printList(i32, stack);
+
+    // 获取栈的长度
+    var size = stack.items.len;
+    std.debug.print("\n栈的长度 size = {}", .{size});
+
+    // 判断栈是否为空
+    var empty = if (stack.items.len == 0) true else false;
+    std.debug.print("\n栈是否为空 = {}", .{empty});
+
+    const getchar = try std.io.getStdIn().reader().readByte();
+    _ = getchar;
+}