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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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@@ -1,7 +1,7 @@
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// File: recursion.zig
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// Created Time: 2023-09-27
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// Author: QiLOL (pikaqqpika@gmail.com)
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// Author: QiLOL (pikaqqpika@gmail.com), CreatorMetaSky (creator_meta_sky@163.com)
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const std = @import("std");
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// 递归函数
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@@ -11,7 +11,7 @@ fn recur(n: i32) i32 {
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return 1;
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}
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// 递:递归调用
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var res: i32 = recur(n - 1);
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const res = recur(n - 1);
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// 归:返回结果
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return n + res;
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}
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@@ -54,25 +54,35 @@ fn fib(n: i32) i32 {
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return n - 1;
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}
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// 递归调用 f(n) = f(n-1) + f(n-2)
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var res: i32 = fib(n - 1) + fib(n - 2);
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const res: i32 = fib(n - 1) + fib(n - 2);
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// 返回结果 f(n)
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return res;
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}
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// Driver Code
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pub fn main() !void {
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pub fn run() void {
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const n: i32 = 5;
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var res: i32 = 0;
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res = recur(n);
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std.debug.print("\n递归函数的求和结果 res = {}\n", .{recur(n)});
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std.debug.print("递归函数的求和结果 res = {}\n", .{recur(n)});
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res = forLoopRecur(n);
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std.debug.print("\n使用迭代模拟递归的求和结果 res = {}\n", .{forLoopRecur(n)});
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std.debug.print("使用迭代模拟递归的求和结果 res = {}\n", .{forLoopRecur(n)});
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res = tailRecur(n, 0);
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std.debug.print("\n尾递归函数的求和结果 res = {}\n", .{tailRecur(n, 0)});
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std.debug.print("尾递归函数的求和结果 res = {}\n", .{tailRecur(n, 0)});
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res = fib(n);
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std.debug.print("\n斐波那契数列的第 {} 项为 {}\n", .{n, fib(n)});
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std.debug.print("斐波那契数列的第 {} 项为 {}\n", .{ n, fib(n) });
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std.debug.print("\n", .{});
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}
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pub fn main() void {
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run();
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}
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test "recursion" {
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run();
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}
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