xcdat/sample/sample.cpp
Shunsuke Kanda ece08d567e passed test
2021-06-27 12:57:34 +09:00

46 lines
1.3 KiB
C++

#include <iostream>
#include <string>
#include <xcdat.hpp>
int main() {
std::vector<std::string> keys = {
"AirPods", "AirTag", "Mac", "MacBook", "MacBook_Air", "MacBook_Pro",
"Mac_Mini", "Mac_Pro", "iMac", "iPad", "iPhone", "iPhone_SE",
};
// The dataset must be sorted and unique.
std::sort(keys.begin(), keys.end());
keys.erase(std::unique(keys.begin(), keys.end()), keys.end());
auto trie = xcdat::trie::build(keys);
std::cout << "Basic operations" << std::endl;
{
const auto id = trie.lookup("MacBook_Pro");
if (id.has_value()) {
std::cout << trie.decode(id.value()) << " -> " << id.has_value() << std::endl;
} else {
std::cout << "Not found" << std::endl;
}
}
std::cout << "Common prefix search" << std::endl;
{
auto itr = trie.make_prefix_iterator("MacBook_Air");
while (itr.next()) {
std::cout << itr.decoded_view() << " -> " << itr.id() << std::endl;
}
}
std::cout << "Predictive search" << std::endl;
{
auto itr = trie.make_predictive_iterator("Mac");
while (itr.next()) {
std::cout << itr.decoded_view() << " -> " << itr.id() << std::endl;
}
}
return 0;
}