From bdbf8a439ae66bae162df12a53cc2914ed6c3654 Mon Sep 17 00:00:00 2001
From: yut23 <yut23@gvljohnsons.com>
Date: Sat, 4 Jan 2025 14:52:53 -0500
Subject: [PATCH] 2024: fix includes with IWYU

---
 2024/src/day22.hpp | 3 ---
 2024/src/day23.cpp | 5 ++++-
 2024/src/day23.hpp | 5 ++++-
 2024/src/day24.hpp | 2 ++
 4 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/2024/src/day22.hpp b/2024/src/day22.hpp
index af3f32d..b7e34d5 100644
--- a/2024/src/day22.hpp
+++ b/2024/src/day22.hpp
@@ -8,9 +8,6 @@
 #ifndef DAY22_HPP_A3Y597BB
 #define DAY22_HPP_A3Y597BB
 
-#include <iostream> // for istream
-#include <string>   // for string, getline
-
 namespace aoc::day22 {
 
 void xorshift(long &secret, int shift) {
diff --git a/2024/src/day23.cpp b/2024/src/day23.cpp
index a07985d..aa6acb7 100644
--- a/2024/src/day23.cpp
+++ b/2024/src/day23.cpp
@@ -15,10 +15,13 @@ int main(int argc, char **argv) {
 
     auto graph = aoc::day23::ComputerGraph::read(infile);
 
+    // part 1 ends up clearing the graph, so do part 2 first
     const auto password_parts = graph.find_password();
-    // this modifies the graph, so do it second
+
+    // part 1
     std::cout << graph.count_t_triangles() << "\n";
 
+    // output the password for part 2
     for (auto it = password_parts.begin(); it != password_parts.end(); ++it) {
         if (it != password_parts.begin()) {
             std::cout << ",";
diff --git a/2024/src/day23.hpp b/2024/src/day23.hpp
index eb855d2..3b40ad8 100644
--- a/2024/src/day23.hpp
+++ b/2024/src/day23.hpp
@@ -10,10 +10,13 @@
 
 #include "lib.hpp"       // for DEBUG
 #include <algorithm>     // for ranges::sort
+#include <compare>       // for operator<(string, string)
+#include <functional>    // for greater
 #include <iostream>      // for istream, cerr
 #include <string>        // for string
 #include <unordered_map> // for unordered_map
 #include <unordered_set> // for unordered_set
+#include <utility>       // for move, pair
 #include <vector>        // for vector
 
 namespace aoc::day23 {
@@ -133,7 +136,7 @@ std::vector<std::string> ComputerGraph::find_password() const {
 
     std::vector<std::string> password_parts(maximum_clique.begin(),
                                             maximum_clique.end());
-    std::sort(password_parts.begin(), password_parts.end());
+    std::ranges::sort(password_parts);
     return password_parts;
 }
 
diff --git a/2024/src/day24.hpp b/2024/src/day24.hpp
index eac358b..4074c57 100644
--- a/2024/src/day24.hpp
+++ b/2024/src/day24.hpp
@@ -14,11 +14,13 @@
 
 #include <cassert>       // for assert
 #include <cstddef>       // for size_t
+#include <functional>    // for hash (unordered_map, unordered_set)
 #include <iostream>      // for istream
 #include <string>        // for string, getline, to_string
 #include <unordered_map> // for unordered_map
 #include <unordered_set> // for unordered_set
 #include <utility>       // for move
+#include <vector>        // for vector
 
 namespace aoc::day24 {