Add includes of cassert

2017/puzzle-20-02.cc

@@ -1,4 +1,5 @@
 #include <array>
+#include <cassert>
 #include <iostream>
 #include <regex>
 #include <string>
@@ -7,7 +8,10 @@ using Int = long;
 
 struct Vector
 {
-  Vector(Int x, Int y, Int z) : x_(x), y_(y), z_(z) {}
+  Vector(Int x, Int y, Int z)
+    : x_(x), y_(y), z_(z)
+  {
+  }
 
   Int x() const noexcept { return x_; }
   Int y() const noexcept { return y_; }
@@ -49,7 +53,7 @@ auto operator==(Vector const& lhs, Vector const& rhs) -> bool
 struct NodeState
 {
   NodeState(Vector const& pos, Vector const& velocity, Vector const& accel)
-      : pos_(pos), velocity_(velocity), accel_(accel)
+    : pos_(pos), velocity_(velocity), accel_(accel)
   {
   }
 

2017/puzzle-25-01.cc

@@ -4,6 +4,7 @@
 #include <regex>
 #include <string>
 #include <unordered_set>
+#include <cassert>
 
 using Int = long;
 using StateName = char;

2018/puzzle-03-01.cc

@@ -11,6 +11,7 @@
 #include <vector>
 
 #include "position.h"
+#include <cassert>
 
 using Int = std::int64_t;
 

2018/puzzle-03-02.cc

@@ -10,6 +10,7 @@
 #include <string>
 #include <utility>
 #include <vector>
+#include <cassert>
 
 #include "position.h"
 

2018/puzzle-04-01.cc

@@ -11,6 +11,7 @@
 #include <string>
 #include <utility>
 #include <vector>
+#include <cassert>
 
 using UInt = std::uint64_t;
 
@@ -23,19 +24,19 @@ struct Event
     UInt pos{1};
     std::size_t l{0};
     std::stoull(s.substr(pos));
-    timestamp_ = std::stoull(s.substr(pos), &l);  // year
+    timestamp_ = std::stoull(s.substr(pos), &l); // year
     pos += l + 1;
     timestamp_ *= 12;
-    timestamp_ += std::stoull(s.substr(pos), &l) - 1;  // month
+    timestamp_ += std::stoull(s.substr(pos), &l) - 1; // month
     pos += l + 1;
-    timestamp_ *= 31;                                  // Just need order not actual values.
-    timestamp_ += std::stoull(s.substr(pos), &l) - 1;  // day
+    timestamp_ *= 31;                                 // Just need order not actual values.
+    timestamp_ += std::stoull(s.substr(pos), &l) - 1; // day
     pos += l + 1;
     timestamp_ *= 24;
-    timestamp_ += std::stoull(s.substr(pos), &l);  // hour
+    timestamp_ += std::stoull(s.substr(pos), &l); // hour
     pos += l + 1;
     timestamp_ *= 60;
-    timestamp_ += std::stoull(s.substr(pos), &l);  // minute
+    timestamp_ += std::stoull(s.substr(pos), &l); // minute
     pos += l + 2;
     if (s.substr(pos) == "falls asleep"s) {
       wake_up_ = false;
@@ -79,11 +80,11 @@ private:
 auto print_timestamp(UInt timestamp)
 {
   std::cout << "[" << timestamp << ": " << timestamp / static_cast<UInt>(24 * 60 * 31 * 12) << "-"
-            << std::setw(2) << std::setfill('0')
-            << 1 + timestamp / static_cast<UInt>(24 * 60 * 31) % 12 << "-" << std::setw(2)
-            << std::setfill('0') << 1 + (timestamp / static_cast<UInt>(24 * 60)) % 31 << " "
-            << std::setw(2) << std::setfill('0') << (timestamp / 60) % 24 << ":" << std::setw(2)
-            << std::setfill('0') << timestamp % 60 << "]";
+    << std::setw(2) << std::setfill('0')
+    << 1 + timestamp / static_cast<UInt>(24 * 60 * 31) % 12 << "-" << std::setw(2)
+    << std::setfill('0') << 1 + (timestamp / static_cast<UInt>(24 * 60)) % 31 << " "
+    << std::setw(2) << std::setfill('0') << (timestamp / 60) % 24 << ":" << std::setw(2)
+    << std::setfill('0') << timestamp % 60 << "]";
 }
 
 auto how_sleepy(std::vector<UInt> const& guard) -> UInt
@@ -120,8 +121,8 @@ auto main() -> int
         }
         print_timestamp(e.timestamp());
         std::cout << ": Guard " << current_it->first << " wakes up after "
-                  << e.timestamp() - asleep_from << " minutes sleep.  Has slept a total of "
-                  << how_sleepy(current_it->second) << " minutes.\n";
+          << e.timestamp() - asleep_from << " minutes sleep.  Has slept a total of "
+          << how_sleepy(current_it->second) << " minutes.\n";
         asleep_from = 0;
       }
     }
@@ -142,7 +143,7 @@ auto main() -> int
     std::max_element(sleepiest_guard->second.begin(), sleepiest_guard->second.end()) -
     sleepiest_guard->second.begin()};
   std::cout << "Busiest guard: " << sleepiest_guard_id << " was asleep most in minute "
-            << sleepiest_minute << "\n";
+    << sleepiest_minute << "\n";
   std::cout << "Result: " << sleepiest_guard_id * sleepiest_minute << "\n";
   return EXIT_SUCCESS;
 }

2018/puzzle-04-02.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 01/12/2022.
 //
 
+#include <cassert>
 #include <cstdlib>
 #include <iomanip>
 #include <iostream>
@@ -23,19 +24,19 @@ struct Event
     UInt pos{1};
     std::size_t l{0};
     std::stoull(s.substr(pos));
-    timestamp_ = std::stoull(s.substr(pos), &l);  // year
+    timestamp_ = std::stoull(s.substr(pos), &l); // year
     pos += l + 1;
     timestamp_ *= 12;
-    timestamp_ += std::stoull(s.substr(pos), &l) - 1;  // month
+    timestamp_ += std::stoull(s.substr(pos), &l) - 1; // month
     pos += l + 1;
-    timestamp_ *= 31;                                  // Just need order not actual values.
-    timestamp_ += std::stoull(s.substr(pos), &l) - 1;  // day
+    timestamp_ *= 31;                                 // Just need order not actual values.
+    timestamp_ += std::stoull(s.substr(pos), &l) - 1; // day
     pos += l + 1;
     timestamp_ *= 24;
-    timestamp_ += std::stoull(s.substr(pos), &l);  // hour
+    timestamp_ += std::stoull(s.substr(pos), &l); // hour
     pos += l + 1;
     timestamp_ *= 60;
-    timestamp_ += std::stoull(s.substr(pos), &l);  // minute
+    timestamp_ += std::stoull(s.substr(pos), &l); // minute
     pos += l + 2;
     if (s.substr(pos) == "falls asleep"s) {
       wake_up_ = false;
@@ -79,11 +80,11 @@ private:
 auto print_timestamp(UInt timestamp)
 {
   std::cout << "[" << timestamp << ": " << timestamp / static_cast<UInt>(24 * 60 * 31 * 12) << "-"
-            << std::setw(2) << std::setfill('0')
-            << 1 + timestamp / static_cast<UInt>(24 * 60 * 31) % 12 << "-" << std::setw(2)
-            << std::setfill('0') << 1 + (timestamp / static_cast<UInt>(24 * 60)) % 31 << " "
-            << std::setw(2) << std::setfill('0') << (timestamp / 60) % 24 << ":" << std::setw(2)
-            << std::setfill('0') << timestamp % 60 << "]";
+    << std::setw(2) << std::setfill('0')
+    << 1 + timestamp / static_cast<UInt>(24 * 60 * 31) % 12 << "-" << std::setw(2)
+    << std::setfill('0') << 1 + (timestamp / static_cast<UInt>(24 * 60)) % 31 << " "
+    << std::setw(2) << std::setfill('0') << (timestamp / 60) % 24 << ":" << std::setw(2)
+    << std::setfill('0') << timestamp % 60 << "]";
 }
 
 auto how_sleepy(std::vector<UInt> const& guard) -> UInt
@@ -120,8 +121,8 @@ auto main() -> int
         }
         print_timestamp(e.timestamp());
         std::cout << ": Guard " << current_it->first << " wakes up after "
-                  << e.timestamp() - asleep_from << " minutes sleep.  Has slept a total of "
-                  << how_sleepy(current_it->second) << " minutes.\n";
+          << e.timestamp() - asleep_from << " minutes sleep.  Has slept a total of "
+          << how_sleepy(current_it->second) << " minutes.\n";
         asleep_from = 0;
       }
     }
@@ -144,8 +145,8 @@ auto main() -> int
     }
 
     std::cout << "Guard " << guard_sleep.first << " slept most for " << *sleepiest_minute
-              << " minutes at " << sleepiest_minute - guard_sleep.second.begin()
-              << " score: " << score << "\n";
+      << " minutes at " << sleepiest_minute - guard_sleep.second.begin()
+      << " score: " << score << "\n";
   }
 
   std::cout << "Result: " << max_score << "\n";

2018/puzzle-12-01.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 01/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <cstdlib>
 #include <iomanip>
@@ -65,8 +66,8 @@ auto main() -> int
 
   for (unsigned i{0}; i < transitions.size(); ++i) {
     std::cout << ((i & 16) ? plant : soil) << ((i & 8) ? plant : soil) << ((i & 4) ? plant : soil)
-              << ((i & 2) ? plant : soil) << ((i & 1) ? plant : soil) << " => " << transitions[i]
-              << "\n";
+      << ((i & 2) ? plant : soil) << ((i & 1) ? plant : soil) << " => " << transitions[i]
+      << "\n";
   }
   constexpr UInt num_runs{20};
   for (UInt i{0}; i < num_runs; ++i) {

2018/puzzle-12-02.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 01/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <cstdlib>
 #include <iomanip>

2018/puzzle-14-01.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 01/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <cstdlib>
 #include <iomanip>

2018/puzzle-14-02.cc

@@ -8,6 +8,7 @@
 #include <iostream>
 #include <regex>
 #include <utility>
+#include <cassert>
 
 using Int = std::int64_t;
 using UInt = std::uint64_t;

2021/puzzle-18-01.cc

@@ -1,6 +1,7 @@
 #include <iostream>
 #include <string>
 #include <vector>
+#include <cassert>
 
 using UInt = unsigned long;
 
@@ -9,6 +10,7 @@ struct Item
   UInt value_;
   unsigned depth_;
 };
+
 using Items = std::vector<Item>;
 
 auto print1(Items::const_iterator begin, Items::const_iterator end, unsigned current_depth)

2021/puzzle-18-02.cc

@@ -1,6 +1,7 @@
 #include <iostream>
 #include <string>
 #include <vector>
+#include <cassert>
 
 using UInt = unsigned long;
 
@@ -9,6 +10,7 @@ struct Item
   UInt value_;
   unsigned depth_;
 };
+
 using Items = std::vector<Item>;
 
 auto print1(Items::const_iterator begin, Items::const_iterator end, unsigned current_depth)

2021/puzzle-20-01.cc

@@ -1,10 +1,12 @@
+#include <cassert>
 #include <iostream>
 #include <string>
 #include <vector>
 
 struct State
 {
-  explicit State(std::string const& rules) : rules_(rules)
+  explicit State(std::string const& rules)
+    : rules_(rules)
   {
     assert(rules.size() == 512);
     assert(rules[0] == '.' || rules[511] == '.');

2021/puzzle-20-02.cc

@@ -1,10 +1,12 @@
+#include <cassert>
 #include <iostream>
 #include <string>
 #include <vector>
 
 struct State
 {
-  explicit State(std::string const& rules) : rules_(rules)
+  explicit State(std::string const& rules)
+    : rules_(rules)
   {
     assert(rules.size() == 512);
     assert(rules[0] == '.' || rules[511] == '.');

2021/puzzle-21-02.cc

@@ -1,3 +1,4 @@
+#include <cassert>
 #include <array>
 #include <iomanip>
 #include <iostream>
@@ -124,6 +125,7 @@ struct State
       get(new_scorex, scorey, new_posx, posy) += states;
     }
   }
+
   void move_player2(unsigned scorex, unsigned scorey, unsigned posx, unsigned posy, unsigned amount,
                     UInt states)
   {
@@ -148,6 +150,7 @@ private:
     return data_[scorey * target_score * loop_size * loop_size + scorex * loop_size * loop_size +
                  (posy - 1) * loop_size + (posx - 1)];
   }
+
   auto get(unsigned scorex, unsigned scorey, unsigned posx, unsigned posy) noexcept -> UInt&
   {
     return data_[scorey * target_score * loop_size * loop_size + scorex * loop_size * loop_size +

2021/puzzle-25-01.cc

@@ -1,3 +1,4 @@
+#include <cassert>
 #include <array>
 #include <iostream>
 #include <regex>

2022/graph-utils.h

@@ -6,6 +6,7 @@
 #define ADVENT_OF_CODE_GRAPH_UTILS_H
 
 #include <algorithm>
+#include <cassert>
 #include <limits>
 #include <map>
 #include <numeric>
@@ -133,14 +134,14 @@ auto dijkstra(Node const& initial, Cost initial_cost, TransitionManager transiti
     current_cost = cost_it->first;
     assert(iter < nodes.size());
     assert(std::accumulate(costs.begin(), costs.end(), std::size_t{0}, [](auto a, auto c) {
-             return a + c.second.size();
-           }) == nodes.size() - iter);
+      return a + c.second.size();
+      }) == nodes.size() - iter);
     for (auto& nodep : cost_it->second) {
       if (iter++ % 100'000 == 0) {
         std::cout << "Iteration: " << iter << " cost " << current_cost
-                  << " total number of nodes: " << nodes.size()
-                  << ", number of costs left to visit: " << costs.size()
-                  << ", number of nodes left: " << (nodes.size() - iter) << '\n';
+          << " total number of nodes: " << nodes.size()
+          << ", number of costs left to visit: " << costs.size()
+          << ", number of nodes left: " << (nodes.size() - iter) << '\n';
       }
       if (transition_manager.is_finished(*nodep)) {
         auto result{std::make_pair(*nodep, current_cost)};

2022/puzzle-02-01.cc

@@ -6,6 +6,7 @@
 #include <iostream>
 #include <map>
 #include <string>
+#include <cassert>
 
 using Int = std::int64_t;
 

2022/puzzle-02-02.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 02/12/2022.
 //
 
+#include <cassert>
 #include <cstdlib>
 #include <iostream>
 #include <map>

2022/puzzle-03-01.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 02/12/2022.
 //
 
+#include <cassert>
 #include <algorithm>
 #include <cstdlib>
 #include <iostream>
@@ -20,7 +21,7 @@ auto main() -> int
     auto left{line.substr(0, line.size() / 2)};
     auto right{line.substr(line.size() / 2)};
     std::sort(left.begin(), left.end());
-        std::sort(right.begin(), right.end());
+    std::sort(right.begin(), right.end());
     std::string result;
     std::set_intersection(left.begin(), left.end(), right.begin(), right.end(),
                           std::back_inserter(result));

2022/puzzle-03-02.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 02/12/2022.
 //
 
+#include <cassert>
 #include <algorithm>
 #include <cstdlib>
 #include <iostream>

2022/puzzle-05-01.cc

@@ -6,6 +6,7 @@
 #include <regex>
 #include <string>
 #include <vector>
+#include <cassert>
 
 using UInt = std::uint64_t;
 

2022/puzzle-05-02.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 05/12/2021.
 //
 
+#include <cassert>
 #include <iostream>
 #include <regex>
 #include <string>

2022/puzzle-07-01.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 07/12/2022.
 //
 
+#include <cassert>
 #include <iostream>
 #include <list>
 #include <map>

2022/puzzle-07-02.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 07/12/2022.
 //
 
+#include <cassert>
 #include <iostream>
 #include <list>
 #include <map>

2022/puzzle-08-01.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 08/12/2022.
 //
 
+#include <cassert>
 #include <complex>
 #include <iostream>
 #include <map>

2022/puzzle-08-02.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 08/12/2022.
 //
 
+#include <cassert>
 #include <complex>
 #include <iostream>
 #include <map>

2022/puzzle-11-01.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 09/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <iostream>
 #include <list>
@@ -18,17 +19,20 @@ enum class Op { undef, add, mult, dbl, square };
 struct Monkey
 {
   auto add_item(UInt score) { items_.push_back(score); }
+
   auto op(Op op)
   {
     assert(op == Op::dbl || op == Op::square);
     op_ = op;
   }
+
   auto op(Op op, UInt amt)
   {
     assert(op == Op::add || op == Op::mult);
     op_ = op;
     amt_ = amt;
   }
+
   auto test(UInt test) { test_ = test; }
   auto true_monkey(UInt monkey) { true_monkey_ = monkey; }
   auto false_monkey(UInt monkey) { false_monkey_ = monkey; }

2022/puzzle-14-02.cc

@@ -7,6 +7,7 @@
 #include <string>
 #include <utility>
 #include <vector>
+#include <cassert>
 
 #include "position.h"
 

2022/puzzle-15-01.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 09/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <iostream>
 #include <list>
@@ -54,14 +55,14 @@ auto main() -> int
     // Distance(ish) to row we're interested in:
     Int const row_dist{std::abs(sy - row)};
     std::cout << "Sensor (" << sx << ", " << sy << "):\n"
-              << "  Nearest beacon is: " << bx << ", " << by << "\n"
-              << "  Distance: " << dist << "\n"
-              << "  y-Distance to row " << row << ": " << row_dist << "\n";
+      << "  Nearest beacon is: " << bx << ", " << by << "\n"
+      << "  Distance: " << dist << "\n"
+      << "  y-Distance to row " << row << ": " << row_dist << "\n";
     // If that distance is non-negative then we have places the beacon can't be
     if (row_dist <= dist) {
       Int const x_dist{dist - row_dist};
       std::cout << "  x distance left: " << x_dist << "\n"
-                << "  Range: " << sx - x_dist << " - " << sx + x_dist + 1 << "\n";
+        << "  Range: " << sx - x_dist << " - " << sx + x_dist + 1 << "\n";
       Range const missing{sx - x_dist, sx + x_dist + 1};
       ranges.insert(missing);
     }
@@ -83,7 +84,7 @@ auto main() -> int
     }
     auto b{std::max(r.first, last_pos)};
     std::cout << "  Taking range start as: " << b << '\n'
-              << "  Adding to count: " << r.second - b << "\n";
+      << "  Adding to count: " << r.second - b << "\n";
     count += (r.second - b);
     last_pos = r.second;
   }

2022/puzzle-15-02.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 09/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <iostream>
 #include <list>

2022/puzzle-18-01.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 16/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <iostream>
 #include <list>
@@ -21,7 +22,8 @@ using namespace std::string_literals;
 
 struct Grid3
 {
-  explicit Grid3(std::size_t size) : size_(size) { map_.resize(size * size * size, false); }
+  explicit Grid3(std::size_t size)
+    : size_(size) { map_.resize(size * size * size, false); }
 
   auto point(Point3 const& p) const noexcept -> bool
   {

2022/puzzle-18-02.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 16/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <iostream>
 #include <list>
@@ -21,7 +22,8 @@ using namespace std::string_literals;
 
 struct Grid3
 {
-  explicit Grid3(std::size_t size) : size_(size) { map_.resize(size * size * size, ' '); }
+  explicit Grid3(std::size_t size)
+    : size_(size) { map_.resize(size * size * size, ' '); }
 
   auto point(Point3 const& p) const noexcept -> char
   {

2022/puzzle-21-01.cc

@@ -8,6 +8,7 @@
 #include <numeric>
 #include <stdexcept>
 #include <utility>
+#include <cassert>
 
 using Int = std::int64_t;
 using UInt = std::uint64_t;
@@ -19,10 +20,13 @@ struct Monkey
 {
   Monkey() = default;
 
-  explicit Monkey(Int value) : value_(value), value_known_(true) {}
+  explicit Monkey(Int value)
+    : value_(value), value_known_(true)
+  {
+  }
 
   Monkey(std::string lhs, char op, std::string rhs)
-      : lhs_(std::move(lhs)), rhs_(std::move(rhs)), op_(op)
+    : lhs_(std::move(lhs)), rhs_(std::move(rhs)), op_(op)
   {
   }
 

2022/puzzle-21-02.cc

@@ -8,6 +8,7 @@
 #include <numeric>
 #include <stdexcept>
 #include <utility>
+#include <cassert>
 
 using Int = std::int64_t;
 using UInt = std::uint64_t;
@@ -19,10 +20,13 @@ struct Monkey
 {
   Monkey() = default;
 
-  explicit Monkey(Int value) : value_(value), value_known_(true) {}
+  explicit Monkey(Int value)
+    : value_(value), value_known_(true)
+  {
+  }
 
   Monkey(std::string lhs, char op, std::string rhs)
-      : lhs_(std::move(lhs)), rhs_(std::move(rhs)), op_(op)
+    : lhs_(std::move(lhs)), rhs_(std::move(rhs)), op_(op)
   {
   }
 
@@ -68,13 +72,13 @@ auto calculate(Int lhs, char op, Int rhs)
 auto find_lhs(Int result, char op, Int rhs)
 {
   switch (op) {
-  case '+':  // result = lhs + rhs -> lhs = result - rhs;
+  case '+': // result = lhs + rhs -> lhs = result - rhs;
     return result - rhs;
-  case '-':  // result = lhs - rhs -> lhs = result + rhs;
+  case '-': // result = lhs - rhs -> lhs = result + rhs;
     return result + rhs;
-  case '*':  // result = lhs * rhs -> lhs = result / rhs
+  case '*': // result = lhs * rhs -> lhs = result / rhs
     return result / rhs;
-  case '/':  // result = lhs / rhs -> lhs = result * rhs;
+  case '/': // result = lhs / rhs -> lhs = result * rhs;
     return result * rhs;
   case '=':
     return rhs;
@@ -86,13 +90,13 @@ auto find_lhs(Int result, char op, Int rhs)
 auto find_rhs(Int result, Int lhs, char op)
 {
   switch (op) {
-  case '+':  // result = lhs + rhs -> rhs = result - lhs;
+  case '+': // result = lhs + rhs -> rhs = result - lhs;
     return result - lhs;
-  case '-':  // result = lhs - rhs -> rhs = lhs - result;
+  case '-': // result = lhs - rhs -> rhs = lhs - result;
     return lhs - result;
-  case '*':  // result = lhs * rhs -> rhs = result / lhs
+  case '*': // result = lhs * rhs -> rhs = result / lhs
     return result / lhs;
-  case '/':  // result = lhs / rhs -> rhs = lhs / result;
+  case '/': // result = lhs / rhs -> rhs = lhs / result;
     return lhs / result;
   case '=':
     return lhs;

2022/puzzle-22-01.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 16/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <iostream>
 #include <map>
@@ -150,7 +151,7 @@ auto main() -> int
     grid.push_back(line);
     max_row_length = std::max(max_row_length, line.size());
   }
-  for (auto& row : grid) { row.resize(max_row_length, ' ');};
+  for (auto& row : grid) { row.resize(max_row_length, ' '); };
 
   std::string instructions;
   if (!std::getline(std::cin, instructions)) {
@@ -183,7 +184,7 @@ auto main() -> int
     Int const facing{encode_direction(direction)};
 
     std::cout << " Position: " << pos.first << ", " << pos.second << " Facing: " << direction.first
-              << ", " << direction.second << " = " << facing << "\n";
+      << ", " << direction.second << " = " << facing << "\n";
   }
 
   Int const facing{encode_direction(direction)};
@@ -193,7 +194,7 @@ auto main() -> int
     std::cout << row << "\n";
   }
   std::cout << "Position: " << pos.first << ", " << pos.second << " Facing: " << direction.first
-            << ", " << direction.second << " = " << facing << "\n";
+    << ", " << direction.second << " = " << facing << "\n";
   std::cout << "Encoding: " << pos.second * 1000 + pos.first * 4 + facing;
 
   return EXIT_SUCCESS;

2022/puzzle-22-02.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 16/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <iostream>
 #include <map>
@@ -127,7 +128,7 @@ auto wrap_round(Point const& pos, Point const& direction) -> std::pair<Point, Po
     return {Point{square_size * 2 + x, 0}, down};
   }
   assert(((sx == 1 || sx == 2) && sy == 0) || (sx == 1 && sy == 1) ||
-         ((sx == 0 || sx == 1) && sy == 2) || (sx == 0 && sy == 3));
+    ((sx == 0 || sx == 1) && sy == 2) || (sx == 0 && sy == 3));
   return {pos, direction};
 }
 
@@ -180,8 +181,8 @@ auto move_pos(Grid& grid, Point pos, Point direction, Int amt) -> std::pair<Poin
     }
     if (direction != next_direction) {
       std::cout << " Change of direction: " << pos.first << ", " << pos.second << " -> "
-                << next_pos.first << ", " << next_pos.second << ".  Direction "
-                << direction_char(direction) << " -> " << direction_char(next_direction) << "\n";
+        << next_pos.first << ", " << next_pos.second << ".  Direction "
+        << direction_char(direction) << " -> " << direction_char(next_direction) << "\n";
     }
     pos = next_pos;
     direction = next_direction;
@@ -259,7 +260,7 @@ auto main() -> int
     Int const facing{encode_direction(direction)};
 
     std::cout << " Position: " << pos.first << ", " << pos.second << " Facing: " << direction.first
-              << ", " << direction.second << " = " << facing << "\n";
+      << ", " << direction.second << " = " << facing << "\n";
   }
 
   Int const facing{encode_direction(direction)};
@@ -269,7 +270,7 @@ auto main() -> int
     std::cout << row << "\n";
   }
   std::cout << "Position: " << pos.first << ", " << pos.second << " Facing: " << direction.first
-            << ", " << direction.second << " = " << facing << "\n";
+    << ", " << direction.second << " = " << facing << "\n";
   std::cout << "Encoding: " << pos.second * 1000 + pos.first * 4 + facing;
 
   return EXIT_SUCCESS;

2022/puzzle-23-01.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 16/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <iostream>
 #include <list>
@@ -45,8 +46,8 @@ auto next_state(Grid const& grid, Dirs const& dirs) -> Grid
       ++num_pts;
 
       if (std::all_of(all_dirs.begin(), all_dirs.end(), [&x, &y, &grid](auto const& dir) {
-            return grid.at(dir.second + y).at(dir.first + x) == '.';
-          })) {
+        return grid.at(dir.second + y).at(dir.first + x) == '.';
+      })) {
         result.at(y).at(x) = '#';
         continue;
       }
@@ -55,8 +56,8 @@ auto next_state(Grid const& grid, Dirs const& dirs) -> Grid
       Point direction{0, 0};
       for (auto const& ds : dirs) {
         if (std::all_of(ds.begin(), ds.end(), [&x, &y, &grid](auto const& d) {
-              return grid.at(y + d.second).at(x + d.first) == '.';
-            })) {
+          return grid.at(y + d.second).at(x + d.first) == '.';
+        })) {
           moved = true;
           direction = ds[1];
         }
@@ -160,6 +161,7 @@ auto calc_score(Grid const& grid) -> UInt
 }
 
 using namespace std::string_literals;
+
 auto main() -> int
 {
   std::string line;

2022/puzzle-23-02.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 16/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <iostream>
 #include <list>
@@ -45,8 +46,8 @@ auto next_state(Grid const& grid, Dirs const& dirs) -> Grid
       ++num_pts;
 
       if (std::all_of(all_dirs.begin(), all_dirs.end(), [&x, &y, &grid](auto const& dir) {
-            return grid.at(dir.second + y).at(dir.first + x) == '.';
-          })) {
+        return grid.at(dir.second + y).at(dir.first + x) == '.';
+      })) {
         result.at(y).at(x) = '#';
         continue;
       }
@@ -55,8 +56,8 @@ auto next_state(Grid const& grid, Dirs const& dirs) -> Grid
       Point direction{0, 0};
       for (auto const& ds : dirs) {
         if (std::all_of(ds.begin(), ds.end(), [&x, &y, &grid](auto const& d) {
-              return grid.at(y + d.second).at(x + d.first) == '.';
-            })) {
+          return grid.at(y + d.second).at(x + d.first) == '.';
+        })) {
           moved = true;
           direction = ds[1];
         }
@@ -160,6 +161,7 @@ auto calc_score(Grid const& grid) -> UInt
 }
 
 using namespace std::string_literals;
+
 auto main() -> int
 {
   std::string line;
@@ -206,6 +208,6 @@ auto main() -> int
 
   UInt const score{calc_score(grid)};
   std::cout << "Score: " << score << "\n";
-  std::cout << "Number of turns: " << num_rounds<< "\n";
+  std::cout << "Number of turns: " << num_rounds << "\n";
   return EXIT_SUCCESS;
 }

2022/puzzle-24-01.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 16/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <iostream>
 #include <list>

2022/puzzle-24-02.cc

@@ -2,6 +2,7 @@
 // Created by Matthew Gretton-Dann on 16/12/2022.
 //
 
+#include <cassert>
 #include <array>
 #include <iostream>
 #include <list>