prepare for more puzzles ... :)

1 files changed, 0 insertions, 115 deletions

diff --git a/src/day18.cpp b/src/day18.cpp
deleted file mode 100644
index 3037739..0000000
--- a/src/day18.cpp
+++ /dev/null
@@ -1,115 +0,0 @@
-#include <fstream>
-#include <iostream>
-#include <map>
-#include <sstream>
-#include <string>
-#include <vector>
-using namespace std;
-
-using puzzle_t = vector<pair<long, long>>;
-
-puzzle_t
-read_file_part1(string_view filename, long& border_steps)
-{
-        static map<char, pair<int, int>> movement = {
-                { 'U', { 0, -1 } }, // up
-                { 'D', { 0, 1 } },  // down
-                { 'L', { -1, 0 } }, // left
-                { 'R', { 1, 0 } },  // right
-        };
-
-        border_steps = 0;
-
-        fstream  input{ filename };
-        puzzle_t data;
-
-        data.emplace_back(0, 0);
-
-        for ( string line; getline(input, line); ) {
-                char         dir{};
-                long         steps{};
-                stringstream sstrm{ line };
-
-                if ( sstrm >> dir >> steps ) {
-                        data.emplace_back(get<0>(data.back()) + get<0>(movement[dir]) * steps,
-                                          get<1>(data.back()) + get<1>(movement[dir]) * steps);
-
-                        border_steps += steps;
-                }
-        }
-
-        return data;
-}
-
-puzzle_t
-read_file_part2(string_view filename, long& border_steps)
-{
-        static map<char, pair<int, int>> movement = {
-                { '0', { 1, 0 } },  // right
-                { '1', { 0, 1 } },  // down
-                { '2', { -1, 0 } }, // left
-                { '3', { 0, -1 } }, // up
-        };
-
-        border_steps = 0;
-
-        fstream  input{ filename };
-        puzzle_t data;
-
-        data.emplace_back(0, 0);
-
-        for ( string line; getline(input, line); ) {
-                char         dir{};
-                long         steps{};
-                string       hexcode;
-                stringstream sstrm{ line };
-
-                if ( sstrm >> dir >> steps >> hexcode ) {
-                        steps = stol(hexcode.substr(2, 5), nullptr, 16);
-                        dir   = hexcode[7];
-
-                        data.emplace_back(get<0>(data.back()) + get<0>(movement[dir]) * steps,
-                                          get<1>(data.back()) + get<1>(movement[dir]) * steps);
-
-                        border_steps += steps;
-                }
-        }
-
-        return data;
-}
-
-long
-shoelace(const puzzle_t& puzzle, const long border_steps)
-{
-        long area = 0;
-        for ( size_t i = 1; i < puzzle.size(); ++i ) {
-                const auto [x1, y1] = puzzle[i - 1];
-                const auto [x2, y2] = puzzle[i];
-
-                area += (x1 * y2 - y1 * x2);
-        }
-        return (border_steps + area) / 2 + 1;
-}
-
-void
-part1()
-{
-        long border_steps = 0;
-        auto puzzle       = read_file_part1("data/day18.txt", border_steps);
-        cout << shoelace(puzzle, border_steps) << endl;
-}
-
-void
-part2()
-{
-        long border_steps = 0;
-        auto puzzle       = read_file_part2("data/day18.txt", border_steps);
-        cout << shoelace(puzzle, border_steps) << endl;
-}
-
-int
-main()
-{
-        part1();
-        part2();
-}