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Add .clang-format and apply it

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This commit is contained in:
Matthew Gretton-Dann
2021-12-02 07:18:16 +00:00
parent e58dede1b6
commit cd5e2538df
103 changed files with 2714 additions and 2132 deletions
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109
2020/puzzle-20-02.cc
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@@ -16,8 +16,10 @@ enum Edge { Top, Left, Bottom, Right };
struct PictureArray;
struct Picture {
Picture(std::string id, std::istream &is) : in_use_(false) {
struct Picture
{
Picture(std::string id, std::istream& is) : in_use_(false)
{
assert(id.substr(0, 5) == "Tile ");
id_ = std::stoul(id.substr(5));
std::string line;
@@ -29,22 +31,24 @@ struct Picture {
}
}
Picture(PictureArray const &array);
Picture(PictureArray const& array);
Picture(Picture const &) = delete;
Picture &operator=(Picture const &) = delete;
Picture(Picture &&) = default;
Picture &operator=(Picture &&) = default;
Picture(Picture const&) = delete;
Picture& operator=(Picture const&) = delete;
Picture(Picture&&) = default;
Picture& operator=(Picture&&) = default;
void flip() {
for (auto &r : rows_) {
void flip()
{
for (auto& r : rows_) {
std::reverse(r.begin(), r.end());
}
}
void rotate() {
void rotate()
{
std::vector<std::string> copy(rows_.size());
for (auto const &r : rows_) {
for (auto const& r : rows_) {
std::size_t off = copy.size();
assert(r.size() == copy.size());
for (auto c : r) {
@@ -55,7 +59,8 @@ struct Picture {
rows_ = copy;
}
Hash hash(Edge edge) const {
Hash hash(Edge edge) const
{
unsigned x = (edge == Edge::Right) ? rows_[0].size() - 1 : 0;
unsigned y = (edge == Edge::Bottom) ? rows_.size() - 1 : 0;
unsigned dx = (edge == Edge::Top || edge == Edge::Bottom) ? 1 : 0;
@@ -74,19 +79,18 @@ struct Picture {
Id id() const noexcept { return id_; }
bool operator<(Picture const &pict) const noexcept { return id_ < pict.id_; }
bool operator<(Picture const& pict) const noexcept { return id_ < pict.id_; }
bool operator==(Picture const &pict) const noexcept {
return id_ == pict.id_;
}
bool operator==(Picture const& pict) const noexcept { return id_ == pict.id_; }
bool in_use() const noexcept { return in_use_; }
void use() noexcept { in_use_ = true; }
void release() noexcept { in_use_ = false; }
friend std::ostream &operator<<(std::ostream &os, Picture const &pict);
friend std::ostream& operator<<(std::ostream& os, Picture const& pict);
unsigned find_monsters() {
unsigned find_monsters()
{
for (unsigned r = 0; r < 4; ++r) {
rotate();
for (unsigned f = 0; f < 2; ++f) {
@@ -101,9 +105,10 @@ struct Picture {
return 0;
}
unsigned roughness() const {
unsigned roughness() const
{
unsigned rough = 0;
for (auto const &r : rows_) {
for (auto const& r : rows_) {
for (auto c : r) {
if (c == '#') {
++rough;
@@ -114,7 +119,8 @@ struct Picture {
}
private:
unsigned find_monsters1() {
unsigned find_monsters1()
{
// 0 1
// 01234567890123456789
// #
@@ -146,12 +152,13 @@ private:
for (std::size_t y = 0; y <= rows_.size() - mheight; ++y) {
for (std::string::size_type x = 0; x <= rows_[y].size() - mwidth; ++x) {
std::size_t cy = 0;
std::string::size_type const *cx = locs;
std::string::size_type const* cx = locs;
bool found = true;
while (cy < mheight) {
if (*cx == std::string::npos) {
++cy;
} else if (rows_[y + cy][x + *cx] != '#') {
}
else if (rows_[y + cy][x + *cx] != '#') {
found = false;
break;
}
@@ -160,11 +167,12 @@ private:
if (found) {
++monster_count;
std::size_t cy = 0;
std::string::size_type const *cx = locs;
std::string::size_type const* cx = locs;
while (cy < mheight) {
if (*cx == std::string::npos) {
++cy;
} else {
}
else {
rows_[y + cy][x + *cx] = '*';
}
++cx;
@@ -182,8 +190,9 @@ private:
bool in_use_;
};
std::ostream &operator<<(std::ostream &os, Picture const &pict) {
for (auto const &r : pict.rows_) {
std::ostream& operator<<(std::ostream& os, Picture const& pict)
{
for (auto const& r : pict.rows_) {
os << r << '\n';
}
return os;
@@ -193,14 +202,16 @@ using Pictures = std::map<Id, Picture>;
using HashMap = std::multimap<Hash, Id>;
using Array = std::map<std::pair<unsigned, unsigned>, Id>;
struct PictureArray {
void add(Picture &&pic) {
struct PictureArray
{
void add(Picture&& pic)
{
auto id = pic.id();
auto [it, success] = pictures_.insert(std::make_pair(id, std::move(pic)));
assert(success);
// Set up hash -> ID mapping
Picture &picture = it->second;
Picture& picture = it->second;
for (unsigned r = 0; r < 4; ++r) {
for (unsigned f = 0; f < 2; ++f) {
hash_map_.insert({picture.hash(Edge::Top), picture.id()});
@@ -210,13 +221,13 @@ struct PictureArray {
}
}
Id solve() {
Id solve()
{
assert(pictures_.size() == 9 || pictures_.size() == 144);
for (auto &kv : pictures_) {
for (auto& kv : pictures_) {
if (try_position(0, 0, kv.second)) {
print_ids();
return piece(0, 0).id() * piece(width() - 1, 0).id() *
piece(0, height() - 1).id() *
return piece(0, 0).id() * piece(width() - 1, 0).id() * piece(0, height() - 1).id() *
piece(width() - 1, height() - 1).id();
}
}
@@ -224,12 +235,15 @@ struct PictureArray {
assert(false);
return 0;
}
unsigned width() const noexcept {
unsigned width() const noexcept
{
if (pictures_.size() == 9) {
return 3;
} else if (pictures_.size() == 144) {
}
else if (pictures_.size() == 144) {
return 12;
} else {
}
else {
assert(false);
}
@@ -238,16 +252,18 @@ struct PictureArray {
unsigned height() const noexcept { return width(); }
Picture const &piece(unsigned x, unsigned y) const {
auto const &it = array_.find({x, y});
Picture const& piece(unsigned x, unsigned y) const
{
auto const& it = array_.find({x, y});
assert(it != array_.end());
auto const &itp = pictures_.find(it->second);
auto const& itp = pictures_.find(it->second);
assert(itp != pictures_.end());
return itp->second;
}
private:
bool try_position(unsigned x, unsigned y, Picture &pict) {
bool try_position(unsigned x, unsigned y, Picture& pict)
{
if (pict.in_use()) {
return false;
}
@@ -304,7 +320,8 @@ private:
return false;
}
void print_ids() const {
void print_ids() const
{
for (unsigned y = 0; y < height(); ++y) {
for (unsigned x = 0; x < width(); ++x) {
std::cout << " " << piece(x, y).id();
@@ -318,11 +335,12 @@ private:
Array array_;
};
Picture::Picture(PictureArray const &array) : id_(0), in_use_(false) {
Picture::Picture(PictureArray const& array) : id_(0), in_use_(false)
{
for (unsigned y = 0; y < array.height(); ++y) {
auto ybase = rows_.size();
for (unsigned x = 0; x < array.width(); ++x) {
auto &pict = array.piece(x, y);
auto& pict = array.piece(x, y);
for (auto py = 1; py < pict.rows_.size() - 1; ++py) {
auto yidx = ybase + py - 1;
if (rows_.size() <= yidx) {
@@ -336,7 +354,8 @@ Picture::Picture(PictureArray const &array) : id_(0), in_use_(false) {
assert(rows_[0].size() == array.width() * 8);
}
int main(void) {
int main(void)
{
PictureArray pictures_;
std::string line;