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Neetcode 150 solutions in different langs
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172const std = @import("std");const Io = std.Io;
const zig = @import("zig");
pub fn main(init: std.process.Init) !void { // Prints to stderr, unbuffered, ignoring potential errors. std.debug.print("All your {s} are belong to us.\n", .{"codebase"});
// This is appropriate for anything that lives as long as the process. const arena: std.mem.Allocator = init.arena.allocator();
// Accessing command line arguments: const args = try init.minimal.args.toSlice(arena); for (args) |arg| { std.log.info("arg: {s}", .{arg}); }
// In order to do I/O operations need an `Io` instance. const io = init.io;
// Stdout is for the actual output of your application, for example if you // are implementing gzip, then only the compressed bytes should be sent to // stdout, not any debugging messages. var stdout_buffer: [1024]u8 = undefined; var stdout_file_writer: Io.File.Writer = .init(.stdout(), io, &stdout_buffer); const stdout_writer = &stdout_file_writer.interface;
try zig.printAnotherMessage(stdout_writer);
try stdout_writer.flush(); // Don't forget to flush!}
test "simple test" { const gpa = std.testing.allocator; var list: std.ArrayList(i32) = .empty; defer list.deinit(gpa); // Try commenting this out and see if zig detects the memory leak! try list.append(gpa, 42); try std.testing.expectEqual(@as(i32, 42), list.pop());}
test "fuzz example" { try std.testing.fuzz({}, testOne, .{});}
fn testOne(context: void, smith: *std.testing.Smith) !void { _ = context; // Try passing `--fuzz` to `zig build test` and see if it manages to fail this test case!
const gpa = std.testing.allocator; var list: std.ArrayList(u8) = .empty; defer list.deinit(gpa); while (!smith.eos()) switch (smith.value(enum { add_data, dup_data })) { .add_data => { const slice = try list.addManyAsSlice(gpa, smith.value(u4)); smith.bytes(slice); }, .dup_data => { if (list.items.len == 0) continue; if (list.items.len > std.math.maxInt(u32)) return error.SkipZigTest; const len = smith.valueRangeAtMost(u32, 1, @min(32, list.items.len)); const off = smith.valueRangeAtMost(u32, 0, @intCast(list.items.len - len)); try list.appendSlice(gpa, list.items[off..][0..len]); try std.testing.expectEqualSlices( u8, list.items[off..][0..len], list.items[list.items.len - len ..], ); }, };}