update zig codes for Section 'Space Complexity' and 'Space Time Tradeoff'

codes/zig/chapter_computational_complexity/time_complexity.zig

@@ -139,6 +139,10 @@ fn factorialRecur(n: i32) i32 {
 
 // Driver Code
 pub fn main() void {
+    // 查看本地CPU架构和操作系统信息
+    var native_target_info = try std.zig.system.NativeTargetInfo.detect(std.zig.CrossTarget{});
+    std.debug.print("Native Info: CPU Arch = {}, OS = {}\n", .{native_target_info.target.cpu.arch, native_target_info.target.os.tag});
+
     // 可以修改 n 运行，体会一下各种复杂度的操作数量变化趋势
     const n: i32 = 8;
     std.debug.print("输入数据大小 n = {}\n", .{n});