This documentation is automatically generated by online-judge-tools/verification-helper
#define PROBLEM "https://onlinejudge.u-aizu.ac.jp/courses/lesson/1/ALDS1/4/ALDS1_4_C"
#include "../src/template/input.hpp"
using namespace zawa::input;
#include "../src/template/output.hpp"
using namespace zawa::output;
#include <set>
#include <string>
int main() {
int n;
in(n);
std::set<std::string> st;
for (int _ = 0 ; _ < n ; _++) {
std::string q, s; in(q, s);
if (q[0] == 'i') {
st.insert(s);
}
else {
yesno(st.count(s), "yes", "no");
}
}
}
#line 1 "test/input3.test.cpp"
#define PROBLEM "https://onlinejudge.u-aizu.ac.jp/courses/lesson/1/ALDS1/4/ALDS1_4_C"
#line 2 "src/template/input.hpp"
#include <iostream>
#include <utility>
#include <vector>
namespace zawa::input {
template <typename T>
void in(T& res) { std::cin >> res; }
template <typename Head, typename... Tail>
void in(Head& head, Tail&... tail) { in(head); in(tail...); }
template <typename T, typename U>
void in(std::pair<T, U>& res) { in(res.first); in(res.second); }
template <typename T>
void in(std::vector<T>& res) { for (auto& r : res) { in(r); } }
} // namespace zawa::input
#line 4 "test/input3.test.cpp"
using namespace zawa::input;
#line 2 "src/template/output.hpp"
#line 5 "src/template/output.hpp"
#include <string>
namespace zawa::output {
void out() {
std::cout << std::endl;
}
template <class T>
void out(const T& a) {
std::cout << a << std::endl;
}
template <class T>
void out(const std::vector<T>& as) {
for (std::size_t i = 0 ; i < as.size() ; i++) {
std::cout << as[i] << (i + 1 == as.size() ? '\n' : ' ');
}
}
template <class Head, class... Tail>
void out(const Head& head, const Tail&... tail) {
std::cout << head;
if (sizeof...(tail)) {
std::cout << ' ';
}
out(tail...);
}
void yesno(bool flag, std::string yes = "Yes", std::string no = "No") {
std::cout << (flag ? yes : no) << std::endl;
}
} // namespace zawa::output
#line 7 "test/input3.test.cpp"
using namespace zawa::output;
#include <set>
#line 11 "test/input3.test.cpp"
int main() {
int n;
in(n);
std::set<std::string> st;
for (int _ = 0 ; _ < n ; _++) {
std::string q, s; in(q, s);
if (q[0] == 'i') {
st.insert(s);
}
else {
yesno(st.count(s), "yes", "no");
}
}
}