fix reference to popped queue element

2022-11-27 11:54:47 -08:00 · 2022-11-27 11:54:47 -08:00 · 234217e6cc
commit 234217e6cc
parent c8470bb8dc
1 changed files with 1 additions and 1 deletions
--- a/2019/20.cpp
+++ b/2019/20.cpp
@ -128,7 +128,7 @@ auto SolveMaze(Distances const& distances, bool const recursive) -> std::int64_t
  todo.emplace(0, 0, "-AA");

  while(!todo.empty()) {
-    auto const& [steps, depth, name] = todo.top();
+    auto const [steps, depth, name] = std::move(todo.top());
    todo.pop();
    if (name == "-ZZ") { return steps; }
    if (seen.emplace(depth, name).second) {