Some updates to make it more readable

happycoder74 · happycoder74 · commit 2384ed5baa45 · 2025-03-24T11:40:29.000+01:00
diff --git a/C++/2015/aoc_2015_01.cpp b/C++/2015/aoc_2015_01.cpp
@@ -4,14 +4,17 @@
 #include <string>
 
 auto parse_input(const std::string &instructions) {
-    // clang-format off
-    auto rng = instructions
-        | std::views::transform([i = 0](auto &c) mutable {
-                i += c == ')' ? -1 : 1;
-                return i;
-            })
-        | std::views::common;
-    // clang-format on
+    int  i   = 0;
+    auto rng = instructions //
+               | std::views::transform([&](auto &c) mutable {
+                     if (c == '(') {
+                         i += 1;
+                     } else {
+                         i -= 1;
+                     }
+                     return i;
+                 }) //
+               | std::views::common;
     return std::vector<int>(rng.begin(), rng.end());
 }
 
@@ -20,19 +23,17 @@ auto solve_part_1(const std::vector<int> &instructions) -> int {
 }
 
 auto solve_part_2(const std::vector<int> &instructions) -> int {
-    // clang-format off
 #ifdef __cpp_lib_ranges_enumerate
-    auto rng = instructions | std::views::enumerate
+    auto enumerated_rng = instructions | std::views::enumerate;
 #else
-    auto rng = std::views::zip(std::views::iota(0), instructions)
+    auto enumerated_rng = std::views::zip(std::views::iota(0), instructions);
 #endif
-        | std::views::filter([](const auto &kv) {
-                   auto &[k, v] = kv;
-                   return v < 0;
-               })
-        | std::views::take(1)
-        | std::views::keys;
-    // clang-format on
+    auto rng = enumerated_rng //
+               | std::views::filter([](const auto &kv) {
+                     auto &[k, v] = kv;
+                     return v < 0;
+                 }) //
+               | std::views::take(1) | std::views::keys;
     auto index = rng.front();
     return int(index + 1);
 }
diff --git a/C++/2015/aoc_2015_03.cpp b/C++/2015/aoc_2015_03.cpp
@@ -9,7 +9,7 @@
 
 template <>
 struct std::hash<std::pair<int, int>> {
-    inline auto operator()(const pair<int, int> &v) const -> size_t {
+    auto operator()(const pair<int, int> &v) const -> size_t {
         return std::size_t(v.first) << 32 | v.second;
     }
 };

Original file line number	Diff line number	Diff line change
`@@ -9,7 +9,7 @@`
`9`	`9`
`10`	`10`	`template <>`
`11`	`11`	`struct std::hash<std::pair<int, int>> {`
`12`		`- inline auto operator()(const pair<int, int> &v) const -> size_t {`
	`12`	`+ auto operator()(const pair<int, int> &v) const -> size_t {`
`13`	`13`	`return std::size_t(v.first) << 32 \| v.second;`
`14`	`14`	`}`
`15`	`15`	`};`