From df78a8b1c4a16eb45ecccce433f263fad68eea9f Mon Sep 17 00:00:00 2001 From: Jelle van Kraaij Date: Sun, 3 Dec 2023 15:20:01 +0100 Subject: [PATCH] day03 ex01 --- CMakeLists.txt | 3 +- day03/CMakeLists.txt | 1 + day03/input.txt | 140 +++++++++++++++++++++++++++++++++++++++++++ day03/main.cpp | 69 +++++++++++++++++++++ 4 files changed, 212 insertions(+), 1 deletion(-) create mode 100644 day03/CMakeLists.txt create mode 100644 day03/input.txt create mode 100644 day03/main.cpp diff --git a/CMakeLists.txt b/CMakeLists.txt index 229ede7..03f677b 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -5,4 +5,5 @@ set (CMAKE_CXX_STANDARD 23) set (CMAKE_EXPORT_COMPILE_COMMANDS ON) #vscode include path checking add_subdirectory(day01) -add_subdirectory(day02) \ No newline at end of file +add_subdirectory(day02) +add_subdirectory(day03) \ No newline at end of file diff --git a/day03/CMakeLists.txt b/day03/CMakeLists.txt new file mode 100644 index 0000000..11e63fa --- /dev/null +++ b/day03/CMakeLists.txt @@ -0,0 +1 @@ +add_executable(day03 main.cpp) diff --git a/day03/input.txt b/day03/input.txt new file mode 100644 index 0000000..1903642 --- /dev/null +++ b/day03/input.txt @@ -0,0 +1,140 @@ +............830..743.......59..955.......663..........................................367...........895....899...............826...220...... +.......284.....*............*.....$...+.....*...377..................*.......419.............488...*.......*...................*..-....939.. +....%.........976..679.461.7..........350..33.........$.380...$...151.897..........295..#......*....105.....418.............481........&.... +...992.....#......=...../........701................508...*..578........................259...331.................795..945........79........ +.........868........................*.............................17*..........348................441*852........*.....-...........@.....922 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+...........919*.....................................*.......234.........492..%...........300...........301........./866..........*.......... +...............470.....440.874...116....240........299......................27......409.......................................639.136....... \ No newline at end of file diff --git a/day03/main.cpp b/day03/main.cpp new file mode 100644 index 0000000..195d8d4 --- /dev/null +++ b/day03/main.cpp @@ -0,0 +1,69 @@ +#include +#include +#include +#include +#include +#include + +using namespace std; + +array, 8> directions = {{{-1, 0}, {1, 0}, {0, -1}, {0, 1}, {-1, -1}, {-1, 1}, {1, -1}, {1, 1}}}; + +inline bool isSymbol(char c) { + return (!isdigit(c) && c != '.'); +} + +int main(int argc, char **argv) { + if (argc != 2) { + cout << "Usage: " << argv[0] << " inputfile" << endl; + return (EXIT_FAILURE); + } + + ifstream inputFile(argv[1]); + + if (!inputFile) { + cout << "Cannot open inputfile" << endl; + return (EXIT_FAILURE); + } + + string line; + vector> map; + while (getline(inputFile, line)) { + vector row; + for (auto &c : line) { + row.push_back(c); + } + map.push_back(row); + } + int total = 0; + for (size_t i = 0; i < map.size(); ++i) { + stringstream ss; + bool symbol = false; + for (size_t j = 0; j < map[i].size() + 1; ++j) { + if (j < map[i].size() && isdigit(map[i][j])) { + ss << map[i][j]; + for (auto [id, jd] : directions) { + if (i + id < 0 || i + id >= map.size() || j + jd < 0 || j + jd >= map[i].size()) + continue; + if (isSymbol(map[i + id][j + jd])) + symbol = true; + } + } else { + if (ss.str().empty()) + continue; + int value; + ss >> value; + ss = stringstream(); + cout << value; + if (symbol) { + total += value; + symbol = false; + cout << "X"; + } + cout << " "; + } + } + cout << endl; + } + cout << "Total: " << total << endl; +}