华容道高性能计算引擎
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#include <algorithm>
#include "group.h"
#include "type_id.h"
#include <iostream>
namespace klotski {
/// --------------------------------------- Group Type ----------------------------------------
uint32_t GroupType::group_num() const noexcept {
return TYPE_ID_GROUP_NUM[type_id_];
}
uint32_t GroupType::group_num(const RawCode &raw_code) noexcept {
return GroupType(raw_code).group_num();
}
uint32_t GroupType::group_num(const CommonCode &common_code) noexcept {
return GroupType(common_code).group_num();
}
uint32_t GroupType::max_size() const noexcept {
return TYPE_ID_GROUP_MAX_SIZE[type_id_];
}
uint32_t GroupType::max_size(const RawCode &raw_code) noexcept {
return GroupType(raw_code).max_size();
}
uint32_t GroupType::max_size(const CommonCode &common_code) noexcept {
return GroupType(common_code).max_size();
}
/// --------------------------------------- Group Case ----------------------------------------
GroupCase::info_t GroupCase::encode(const RawCode &raw_code) noexcept {
return encode(raw_code.to_common_code());
}
CommonCode GroupCase::parse(const info_t &info) {
auto cases = Group(info.type_id, info.group_id).cases();
if (cases.size() <= info.group_index) {
throw std::invalid_argument("group index overflow"); // check group index
}
auto group = CommonCode::convert(cases);
std::nth_element(group.begin(), group.begin() + info.group_index, group.end());
return group[info.group_index]; // located nth as target
}
GroupCase::info_t GroupCase::encode(const CommonCode &common_code) noexcept {
uint32_t group_index = 0;
auto group = CommonCode::convert(Group::cases(common_code));
for (auto &&tmp: group) {
if (tmp < common_code) {
++group_index; // locate group index
}
}
GroupType type = GroupType(common_code);
auto seed = *std::min_element(group.begin(), group.end());
return {
.type_id = static_cast<uint16_t>(type.unwrap()),
.group_id = static_cast<uint16_t>(group_id(type, seed)),
.group_index = group_index,
};
}
/// ------------------------------------- Group Case Fast -------------------------------------
void GroupCase::demo() {
std::cout << "ok" << std::endl;
// short code -> group_id + group_index
std::vector<uint32_t> group_info(SHORT_CODE_LIMIT);
std::vector<std::vector<ShortCode>> group_data[TYPE_ID_LIMIT];
ShortCode::speed_up(ShortCode::FAST);
auto convert = [](const std::vector<RawCode> &raw_codes) -> std::vector<CommonCode> {
return {raw_codes.begin(), raw_codes.end()};
};
for (uint32_t type_id = 0; type_id < TYPE_ID_LIMIT; ++type_id) {
auto tid = GroupType(type_id);
group_data[type_id].resize(tid.group_num());
for (uint32_t group_id = 0; group_id < tid.group_num(); ++group_id) {
auto group = Group(tid, group_id);
auto cases = convert(group.cases());
std::sort(cases.begin(), cases.end());
for (uint32_t group_index = 0; group_index < cases.size(); ++group_index) {
auto short_code = cases[group_index].to_short_code();
group_info[short_code.unwrap()] = (group_id << 20) | group_index;
group_data[type_id][group_id].emplace_back(short_code);
}
}
std::cerr << type_id << std::endl;
}
std::cout << group_data[169][1][7472].to_common_code() << std::endl;
std::cout << group_data[164][0][30833].to_common_code() << std::endl;
auto src_1 = CommonCode(0x1A9BF0C00);
auto tmp_1 = group_info[src_1.to_short_code().unwrap()];
std::cout << GroupType(src_1).unwrap() << "-"
<< (tmp_1 >> 20) << "-" << (tmp_1 & 0xFFFFF) << std::endl;
auto src_2 = CommonCode(0x4FEA13400);
auto tmp_2 = group_info[src_2.to_short_code().unwrap()];
std::cout << GroupType(src_2).unwrap() << "-"
<< (tmp_2 >> 20) << "-" << (tmp_2 & 0xFFFFF) << std::endl;
}
} // namespace klotski