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aoc24: day01 update to zip

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Include Linux command stuff to use clang compiler.
This commit is contained in:
Pratchaya Khansomboon
2024-12-02 14:41:42 +01:00
parent 04e64612b9
commit 94d3ffe921
2 changed files with 11 additions and 4 deletions
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6
README.md
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@@ -33,6 +33,12 @@ Symlink `compile_commands.json` to root directory for `ccls`/`clangd`.
ln -sfn ./build/compile_commands.json . ln -sfn ./build/compile_commands.json .
``` ```
**Linux (use clang)**
```sh
CC=clang CXX=clang++ cmake -S . -Bbuild -GNinja -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS="-stdlib=libc++ -I$HOME/.local/include/c++/v1" -DCMAKE_EXE_LINKER_FLAGS="-stdlib=libc++ -fuse-ld=lld -L$HOME/.local/lib" -DCMAKE_SHARED_LINKER_FLAGS="-stdlib=libc++ -fuse-ld=lld -L$HOME/.local/lib"
```
**Windows (requires admin)** **Windows (requires admin)**
```sh ```sh

9
aoc.cpp
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@@ -48,11 +48,12 @@ auto main([[maybe_unused]]int argc, [[maybe_unused]]char const* argv[]) -> int {
std::sort(std::begin(a), std::end(a)); std::sort(std::begin(a), std::end(a));
std::sort(std::begin(b), std::end(b)); std::sort(std::begin(b), std::end(b));
auto diff_view = std::views::zip_transform([](auto a, auto b) { auto diff_view = std::views::zip(a, b) | std::views::transform([](auto const& p) {
return a > b ? a - b : b - a; auto const [x, y] = p;
}, a, b); return x > y ? x - y : y - x;
});
auto const sum = std::accumulate(std::begin(diff_view), std::end(diff_view), 0); auto const sum = std::accumulate(std::begin(diff_view), std::end(diff_view), 0);
fmt::print("Part A: {}\n", std::abs(sum)); fmt::print("Part A: {}\n", std::abs(sum));
auto values = a | std::views::transform([&b](auto v) { auto values = a | std::views::transform([&b](auto v) {