warrence
/
AdventOfCode2024
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update HoofIt to use Grid

This commit is contained in:
Stefan Müller 2024-12-30 22:30:32 +01:00
parent 7aeaab2c49
commit 60a952fd5e
1 changed files with 8 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
src/HoofIt.cpp
View File

@ -19,6 +19,7 @@
#include <queue>
#include <vector>
#include <aoc/Grid.hpp>
#include <aoc/Point2.hpp>
const std::string HoofIt::getPuzzleName() const
@ -34,23 +35,14 @@ const std::string HoofIt::getInputFileName() const
void HoofIt::finish()
{
std::queue<Point2> queue{};
std::vector<std::vector<std::vector<Point2>>> trailEndsMap{};
trailEndsMap.reserve(lines.size());
std::vector<std::vector<int>> trailScoreMap{};
trailScoreMap.reserve(lines.size());
Grid<std::vector<Point2>> trailEndsMap{ lines.size(), lines[0].size() };
Grid<int> trailScoreMap{ lines.size(), lines[0].size() };
for (int j = 0; j < lines.size(); j++)
{
std::vector<std::vector<Point2>> endsRow{};
endsRow.reserve(lines[j].size());
trailEndsMap.push_back(endsRow);
std::vector<int> scoreRow(lines[j].size(), 0);
trailScoreMap.push_back(scoreRow);
for (int i = 0; i < lines[j].size(); i++)
{
std::vector<Point2> ends{};
trailEndsMap[j].push_back(ends);
trailScoreMap[j][i] = 0;
if (lines[j][i] == getTrailTopChar())
{
Point2 trailEnd{ i, j };
@ -76,15 +68,15 @@ void HoofIt::finish()
{
queue.push(p);
}
addUnique(trailEndsMap[trail.y][trail.x], trailEndsMap[p.y][p.x]);
trailScoreMap[p.y][p.x] += trailScoreMap[trail.y][trail.x];
addUnique(trailEndsMap.cell(trail), trailEndsMap.cell(p));
trailScoreMap.cell(p) += trailScoreMap.cell(trail);
}
}
}
else
{
part1 += trailEndsMap[trail.y][trail.x].size();
part2 += trailScoreMap[trail.y][trail.x];
part1 += trailEndsMap.cell(trail).size();
part2 += trailScoreMap.cell(trail);
}
}
}