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Add solution for "Day 8: Resonant Collinearity", part 2

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The Point2::operator<() was introduced for set<Point2>, which is not actually required.
This commit is contained in:
Stefan Müller
2025-02-04 17:43:20 +01:00
parent 44f2a0e0ec
commit e1cd0867cb
6 changed files with 55 additions and 22 deletions
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1
include/aoc/Point2.hpp
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@@ -34,7 +34,6 @@ class Point2
Point2(const int x, const int y);
bool operator==(const Point2& rhs) const;
bool operator!=(const Point2& rhs) const;
bool operator<(const Point2& rhs) const;
Point2 operator+(const Point2& rhs) const;
Point2 operator-(const Point2& rhs) const;
Point2 operator*(const int rhs) const;

9
include/aoc/ResonantCollinearity.hpp
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@@ -16,9 +16,9 @@
#pragma once
#include <map>
#include <set>
#include <vector>
#include <aoc/Grid.hpp>
#include <aoc/LinesSolver.hpp>
#include <aoc/Point2.hpp>
@@ -32,7 +32,8 @@ class ResonantCollinearity
private:
static constexpr char getEmptyChar();
std::map<char, std::vector<Point2>> antennas_{};
std::set<Point2> antinodes_{};
void addNewAntenna(Point2&& newPosition);
void addNewAntinode(Point2&& newPosition);
void addNewAntenna(Grid<bool>& antinodeGrid1, Grid<bool>& antinodeGrid2, Point2&& newPosition);
void findNewAntinodes(Grid<bool>& antinodeGrid1, Grid<bool>& antinodeGrid2, Point2&& start,
const Point2& increment);
void addNewAntinode(Grid<bool>& antinodeGrid, Point2& newPosition, long long int& part);
};