mirror of
https://gitlab.com/mfocko/Codeforces.git
synced 2024-11-09 21:59:06 +01:00
166 lines
3.3 KiB
C++
166 lines
3.3 KiB
C++
#include <algorithm>
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#include <array>
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#include <bit>
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#include <bitset>
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#include <cassert>
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#include <cctype>
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#include <chrono>
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#include <cmath>
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#include <cstdint>
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#include <functional>
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#include <iomanip>
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#include <iostream>
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#include <map>
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#include <numeric>
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#include <optional>
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#include <queue>
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#include <random>
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#include <set>
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#include <sstream>
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#include <string>
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#include <vector>
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#pragma region helpers
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#pragma region math
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static constexpr std::int32_t MODULO = 1000000007;
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long pow(long base, long exp) {
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if (exp == 0) return 1;
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long half = pow(base, exp / 2);
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if (exp % 2 == 0) return half * half;
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return half * half * base;
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}
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#pragma endregion /* math */
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#pragma region output
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template <typename T, typename U>
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std::ostream &operator<<(std::ostream &os, std::pair<T, U> const &p) {
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return os << p.first << " " << p.second;
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}
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template <typename C, typename T = typename std::enable_if<
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!std::is_same<C, std::string>::value,
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typename C::value_type>::type>
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std::ostream &operator<<(std::ostream &os, const C &v) {
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std::string sep;
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for (const T &x : v) {
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os << sep << x, sep = " ";
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}
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return os;
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}
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template <typename T>
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inline void answer(const T &ans) {
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std::cout << ans << "\n";
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}
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inline void yes() { std::cout << "YES\n"; }
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inline void no() { std::cout << "NO\n"; }
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inline void yesno(bool ans) { std::cout << (ans ? "YES" : "NO") << "\n"; }
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#pragma endregion /* output */
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#pragma region debug
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void dbg_out() { std::cerr << std::endl; }
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template <typename Head, typename... Tail>
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void dbg_out(Head H, Tail... T) {
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std::cerr << ' ' << H;
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dbg_out(T...);
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}
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#ifdef LOCAL
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#define dbg(...) \
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std::cerr << '[' << __FILE__ << ':' << __LINE__ << "] (" << #__VA_ARGS__ \
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<< "):", \
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dbg_out(__VA_ARGS__)
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#else
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#define dbg(...)
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#endif
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#pragma endregion debug
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#pragma region input
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template <typename T>
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std::vector<T> load_vector(std::size_t size) {
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std::vector<T> result{};
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for (auto i = 0u; i < size; ++i) {
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T x;
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std::cin >> x;
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result.push_back(std::move(x));
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}
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return result;
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}
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#pragma endregion /* input */
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#pragma region functional
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// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0200r0.html
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template <class Fun>
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class y_combinator_result {
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Fun fun_;
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public:
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template <class T>
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explicit y_combinator_result(T &&fun) : fun_(std::forward<T>(fun)) {}
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template <class... Args>
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decltype(auto) operator()(Args &&...args) {
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return fun_(std::ref(*this), std::forward<Args>(args)...);
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}
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};
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template <class Fun>
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decltype(auto) y_combinator(Fun &&fun) {
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return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));
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}
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#pragma endregion /* functional */
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#define LOOP(var, n) for (auto var = 0; var < n; ++var)
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#pragma endregion /* helpers */
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// for ‹N› test cases, uncomment for single test case
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// #define SINGLE
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namespace solution {
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using namespace std;
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void solve() {
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// TODO
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dbg("Hello from debug");
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answer("Hello");
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}
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void tests() {
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// TODO
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}
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} // namespace solution
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using namespace solution;
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#ifdef TEST
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int main(void) {
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tests();
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return 0;
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}
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#else
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int main(void) {
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int N = 1;
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#ifndef SINGLE
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std::cin >> N;
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#endif
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while (N-- > 0) {
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solve();
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}
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return 0;
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}
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#endif
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