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Reduce allocations.

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Bert Peters
2019-12-10 18:47:28 +01:00
parent 4c268eae60
commit 4f65ed7b2a
1 changed files with 3 additions and 1 deletions
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4
2019/src/day10.cpp
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@@ -38,9 +38,11 @@ namespace {
std::pair<std::size_t, std::size_t> part1(const std::vector<point_t> &points) { std::pair<std::size_t, std::size_t> part1(const std::vector<point_t> &points) {
std::size_t best = 0; std::size_t best = 0;
std::size_t best_index = 0; std::size_t best_index = 0;
std::unordered_set<point_t> visible;
for (std::size_t i = 0; i < points.size(); ++i) { for (std::size_t i = 0; i < points.size(); ++i) {
std::unordered_set<point_t> visible; visible.clear();
const auto point = points[i]; const auto point = points[i];
for (auto asteroid : points) { for (auto asteroid : points) {