From 377c42ca0335021fdae31c66a7d27d913ea24bc6 Mon Sep 17 00:00:00 2001
From: Youwen Wu <youwenw@gmail.com>
Date: Thu, 9 Jan 2025 12:56:08 -0800
Subject: [PATCH] initial commit

---
 .envrc                  |  1 +
 .gitignore              |  4 +++
 cs010b_work.c           | 12 ++++++++
 flake.lock              | 27 ++++++++++++++++++
 flake.nix               | 61 +++++++++++++++++++++++++++++++++++++++++
 meson.build             | 10 +++++++
 src/chapter_1/lab_1.cpp | 53 +++++++++++++++++++++++++++++++++++
 7 files changed, 168 insertions(+)
 create mode 100644 .envrc
 create mode 100644 .gitignore
 create mode 100644 cs010b_work.c
 create mode 100644 flake.lock
 create mode 100644 flake.nix
 create mode 100644 meson.build
 create mode 100644 src/chapter_1/lab_1.cpp

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9690ec8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+result
+.direnv
+build
+.cache
diff --git a/cs010b_work.c b/cs010b_work.c
new file mode 100644
index 0000000..4d3d7e0
--- /dev/null
+++ b/cs010b_work.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+#define PROJECT_NAME "cs010b-work"
+
+int main(int argc, char **argv) {
+    if(argc != 1) {
+        printf("%s takes no arguments.\n", argv[0]);
+        return 1;
+    }
+    printf("This is project %s.\n", PROJECT_NAME);
+    return 0;
+}
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..cd9dd2e
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1736344531,
+        "narHash": "sha256-8YVQ9ZbSfuUk2bUf2KRj60NRraLPKPS0Q4QFTbc+c2c=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "bffc22eb12172e6db3c5dde9e3e5628f8e3e7912",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..9aa1880
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,61 @@
+{
+  description = "A very basic flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+  };
+
+  outputs =
+    { self, nixpkgs }:
+    let
+      systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+      ];
+      forAllSystems = nixpkgs.lib.genAttrs systems;
+    in
+    {
+      packages = forAllSystems (
+        system:
+        let
+          pkgs = import nixpkgs { inherit system; };
+        in
+        {
+          default = pkgs.callPackage (
+            {
+              stdenv,
+              meson,
+              ninja,
+            }:
+            stdenv.mkDerivation {
+              pname = "cs010b-work";
+              version = "unstable";
+
+              src = ./.;
+
+              nativeBuildInputs = [
+                meson
+                ninja
+              ];
+            }
+          ) { };
+        }
+      );
+      devShells = forAllSystems (
+        system:
+        let
+          pkgs = import nixpkgs { inherit system; };
+        in
+        {
+          default = pkgs.mkShell {
+            inputsFrom = [ self.packages.${system}.default ];
+
+            packages = with pkgs; [
+              clang-tools_19
+              mesonlsp
+            ];
+          };
+        }
+      );
+    };
+}
diff --git a/meson.build b/meson.build
new file mode 100644
index 0000000..51fddf7
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,10 @@
+project(
+  'cs010b-work',
+  'cpp',
+  version: '0.1',
+  default_options: ['warning_level=3', 'cpp_std=c++23'],
+)
+
+lab_1 = executable('lab_1', 'src/chapter_1/lab_1.cpp', install: true)
+
+test('lab 1', lab_1)
diff --git a/src/chapter_1/lab_1.cpp b/src/chapter_1/lab_1.cpp
new file mode 100644
index 0000000..0b0c835
--- /dev/null
+++ b/src/chapter_1/lab_1.cpp
@@ -0,0 +1,53 @@
+#include <iostream>
+#include <vector>
+using namespace std;
+
+bool inOrder(const vector<int> &nums);
+
+int main() {
+
+  vector<int> nums1(5);
+  nums1.at(0) = 5;
+  nums1.at(1) = 6;
+  nums1.at(2) = 7;
+  nums1.at(3) = 8;
+  nums1.at(4) = 3;
+
+  if (inOrder(nums1)) {
+    cout << "First vector is in order" << endl;
+  } else {
+    cout << "First vector is not in order" << endl;
+  }
+
+  vector<int> nums2(5);
+
+  // Fill second vector with 5 integers entered by the user
+
+  // Output whether second vector is in order or not in order
+  for (int i = 0; i < 5; i++) {
+    cin >> nums2.at(i);
+  }
+
+  if (inOrder(nums2)) {
+    cout << "Second vector is in order" << endl;
+  } else {
+    cout << "Second vector is not in order" << endl;
+  }
+
+  return 0;
+}
+
+// Define your inOrder function here
+bool inOrder(const vector<int> &nums) {
+  if (nums.size() < 2) {
+    return true;
+  }
+
+  for (int i = 0; i < nums.size() - 1; i++) {
+    if (nums[i] > nums[i + 1]) {
+      return false;
+    }
+  }
+
+  return true;
+}