test/Input_Output.test.cpp

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• Last update: 2021-04-15 20:38:34+09:00
• Problem: https://judge.yosupo.jp/problem/many_aplusb

Depends on

• Utility/Printer.cpp
• Utility/Scanner.cpp

Code

#define PROBLEM "https://judge.yosupo.jp/problem/many_aplusb"
#include "./../Utility/Scanner.cpp"
#include "./../Utility/Printer.cpp"
#include <iostream>
using namespace std;

int main() {
	for (int t = in; t--;) {
		long long a = in, b = in;
		out(a + b);
	}
}

#line 1 "test/Input_Output.test.cpp"
#define PROBLEM "https://judge.yosupo.jp/problem/many_aplusb"
#line 2 "Utility/Scanner.cpp"
#include <iostream>
#include <vector>
#include <string>
#include <utility>
#include <tuple>
#include <type_traits>

#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#define putchar_unlocked _putchar_nolock
#define fwrite_unlocked fwrite
#define fflush_unlocked fflush
#endif
class Scanner {
	template <class T, class = void> struct has_scan : std::false_type {};
	template <class T>
	struct has_scan<T, std::void_t<decltype(std::declval<T>().template scan<Scanner>())>>
	    : std::true_type {};

public:
	static int gc() {
		return getchar_unlocked();
	}
	static char next_char() {
		char c;
		scan(c);
		return c;
	}
	template <class T> static void scan(T& v) {
		if (has_scan<T>::value) {
			v.template scan<Scanner>();
		} else {
			std::cin >> v;
		}
	}
	static void scan(char& v) {
		while (std::isspace(v = gc()))
			;
	}
	static void scan(bool& v) {
		v = next_char() != '0';
	}
	static void scan(std::vector<bool>::reference v) {
		bool b;
		scan(b);
		v = b;
	}
	static void scan(std::string& v) {
		v.clear();
		for (char c = next_char(); !std::isspace(c); c = gc()) v += c;
	}
	static void scan(int& v) {
		v = 0;
		bool neg = false;
		char c = next_char();
		if (c == '-') {
			neg = true;
			c = gc();
		}
		for (; std::isdigit(c); c = gc()) v = v * 10 + (c - '0');
		if (neg) v = -v;
	}
	static void scan(long long& v) {
		v = 0;
		bool neg = false;
		char c = next_char();
		if (c == '-') {
			neg = true;
			c = gc();
		}
		for (; std::isdigit(c); c = gc()) v = v * 10 + (c - '0');
		if (neg) v = -v;
	}
	static void scan(double& v) {
		v = 0;
		double dp = 1;
		bool neg = false, after_dp = false;
		char c = next_char();
		if (c == '-') {
			neg = true;
			c = gc();
		}
		for (; std::isdigit(c) || c == '.'; c = gc()) {
			if (c == '.') {
				after_dp = true;
			} else if (after_dp) {
				v += (c - '0') * (dp *= 0.1);
			} else {
				v = v * 10 + (c - '0');
			}
		}
		if (neg) v = -v;
	}
	static void scan(long double& v) {
		v = 0;
		long double dp = 1;
		bool neg = false, after_dp = false;
		char c = next_char();
		if (c == '-') {
			neg = true;
			c = gc();
		}
		for (; std::isdigit(c) || c == '.'; c = gc()) {
			if (c == '.') {
				after_dp = true;
			} else if (after_dp) {
				v += (c - '0') * (dp *= 0.1);
			} else {
				v = v * 10 + (c - '0');
			}
		}
		if (neg) v = -v;
	}
	template <class T, class U> static void scan(std::pair<T, U>& v) {
		scan(v.first);
		scan(v.second);
	}
	template <class T, std::enable_if_t<!std::is_same_v<bool, T>, std::nullptr_t> = nullptr>
	static void scan(std::vector<T>& v) {
		for (auto& e : v) scan(e);
	}
	template <class T, std::enable_if_t<std::is_same_v<bool, T>, std::nullptr_t> = nullptr>
	static void scan(std::vector<T>& v) {
		for (auto e : v) scan(e);
	}

private:
	template <std::size_t N = 0, class T> static void scan_tuple_impl(T& v) {
		if constexpr (N < std::tuple_size_v<T>) {
			scan(std::get<N>(v));
			scan_tuple_impl<N + 1>(v);
		}
	}

public:
	template <class... T> static void scan(std::tuple<T...>& v) {
		scan_tuple_impl(v);
	}

private:
	struct Read2DVectorHelper {
		std::size_t h, w;
		Read2DVectorHelper(std::size_t _h, std::size_t _w) : h(_h), w(_w) {}
		template <class T> operator std::vector<std::vector<T>>() {
			std::vector vector(h, std::vector<T>(w));
			scan(vector);
			return vector;
		}
	};
	struct ReadVectorHelper {
		std::size_t n;
		ReadVectorHelper(std::size_t _n) : n(_n) {}
		template <class T> operator std::vector<T>() {
			std::vector<T> vector(n);
			scan(vector);
			return vector;
		}
		auto operator[](std::size_t m) {
			return Read2DVectorHelper(n, m);
		}
	};

public:
	template <class T> T read() const {
		T result;
		scan(result);
		return result;
	}
	template <class T> auto read(std::size_t n) const {
		std::vector<T> result(n);
		scan(result);
		return result;
	}
	template <class T> auto read(std::size_t h, std::size_t w) const {
		std::vector result(h, std::vector<T>(w));
		scan(result);
		return result;
	}
	std::string read_line() const {
		std::string v;
		for (char c = gc(); c != '\n' && c != '\0'; c = gc()) v += c;
		return v;
	}
	template <class T> operator T() const {
		return read<T>();
	}
	int operator--(int) const {
		return read<int>() - 1;
	}
	auto operator[](std::size_t n) const {
		return ReadVectorHelper(n);
	}
	auto operator[](const std::pair<std::size_t, std::size_t>& nm) const {
		return Read2DVectorHelper(nm.first, nm.second);
	}
	void operator()() const {}
	template <class H, class... T> void operator()(H&& h, T&&... t) const {
		scan(h);
		operator()(std::forward<T>(t)...);
	}

private:
	template <template <class...> class, class...> struct Column;
	template <template <class...> class V, class Head, class... Tail>
	struct Column<V, Head, Tail...> {
		template <class... Args> using vec = V<std::vector<Head>, Args...>;
		using type = typename Column<vec, Tail...>::type;
	};
	template <template <class...> class V> struct Column<V> { using type = V<>; };
	template <class... T> using column_t = typename Column<std::tuple, T...>::type;
	template <std::size_t N = 0, class T> void column_impl(T& t) const {
		if constexpr (N < std::tuple_size_v<T>) {
			auto& vec = std::get<N>(t);
			using V = typename std::remove_reference_t<decltype(vec)>::value_type;
			vec.push_back(read<V>());
			column_impl<N + 1>(t);
		}
	}

public:
	template <class... T> auto column(std::size_t h) const {
		column_t<T...> result;
		while (h--) column_impl(result);
		return result;
	}
} in;
#define inputs(T, ...) \
	T __VA_ARGS__;     \
	in(__VA_ARGS__)
#define ini(...) inputs(int, __VA_ARGS__)
#define inl(...) inputs(long long, __VA_ARGS__)
#define ins(...) inputs(std::string, __VA_ARGS__)
#line 5 "Utility/Printer.cpp"
#include <array>
#line 7 "Utility/Printer.cpp"
#include <string_view>
#include <optional>
#include <charconv>
#line 11 "Utility/Printer.cpp"
#include <cstring>
#include <cassert>

class Printer {
public:
	struct BoolString {
		std::string_view t, f;
		BoolString(std::string_view _t, std::string_view _f) : t(_t), f(_f) {}
	};
	struct Separator {
		std::string_view div, sep, last;
		Separator(std::string_view _div, std::string_view _sep, std::string_view _last)
		    : div(_div), sep(_sep), last(_last) {}
	};

	inline static const BoolString Yes{"Yes", "No"}, yes{"yes", "no"}, YES{"YES", "NO"},
	    Int{"1", "0"}, Possible{"Possible", "Impossible"};
	inline static const Separator space{" ", " ", "\n"}, no_space{"", "", "\n"},
	    endl{"\n", "\n", "\n"}, comma{",", ",", "\n"}, no_endl{" ", " ", ""},
	    sep_endl{" ", "\n", "\n"};

	BoolString bool_str{Yes};
	Separator separator{space};

private:
	template <class T, class = void> struct has_print : std::false_type {};
	template <class T>
	struct has_print<T,
	                 std::void_t<decltype(std::declval<T>().print(std::declval<Printer>()))>>
	    : std::true_type {};

public:
	void print(int v) const {
		char buf[12]{};
		if (auto [ptr, e] = std::to_chars(std::begin(buf), std::end(buf), v);
		    e == std::errc{}) {
			print(std::string_view(buf, ptr - buf));
		} else {
			assert(false);
		}
	}
	void print(long long v) const {
		char buf[21]{};
		if (auto [ptr, e] = std::to_chars(std::begin(buf), std::end(buf), v);
		    e == std::errc{}) {
			print(std::string_view(buf, ptr - buf));
		} else {
			assert(false);
		}
	}
	void print(bool v) const {
		print(v ? bool_str.t : bool_str.f);
	}
	void print(std::vector<bool>::reference v) const {
		print(v ? bool_str.t : bool_str.f);
	}
	void print(char v) const {
		putchar_unlocked(v);
	}
	void print(std::string_view v) const {
		fwrite_unlocked(v.data(), sizeof(std::string_view::value_type), v.size(), stdout);
	}
	void print(double v) const {
		std::printf("%.20f", v);
	}
	void print(long double v) const {
		std::printf("%.20Lf", v);
	}
	template <class T, std::enable_if_t<has_print<T>::value, std::nullptr_t> = nullptr>
	void print(const T& v) const {
		v.print(*this);
	}
	template <class T, std::enable_if_t<!has_print<T>::value, std::nullptr_t> = nullptr>
	void print(const T& v) const {
		std::cout << v;
	}
	template <class T, class U> void print(const std::pair<T, U>& v) const {
		print(v.first);
		print(separator.div);
		print(v.second);
	}
	template <class T> void print(const std::optional<T>& v) const {
		print(*v);
	}
	template <class InputIterater>
	void print_range(const InputIterater& begin, const InputIterater& end) const {
		for (InputIterater i = begin; i != end; ++i) {
			if (i != begin) print(separator.sep);
			print(*i);
		}
	}
	template <class T> void print(const std::vector<T>& v) const {
		print_range(v.begin(), v.end());
	}
	template <class T, std::size_t N> void print(const std::array<T, N>& v) const {
		print_range(v.begin(), v.end());
	}
	template <class T> void print(const std::vector<std::vector<T>>& v) const {
		for (std::size_t i = 0; i < v.size(); ++i) {
			if (i) print(separator.last);
			print(v[i]);
		}
	}

	Printer() = default;
	Printer(const BoolString& _bool_str, const Separator& _separator)
	    : bool_str(_bool_str), separator(_separator) {}
	Printer& operator()() {
		print(separator.last);
		return *this;
	}
	template <class Head> Printer& operator()(Head&& head) {
		print(head);
		print(separator.last);
		return *this;
	}
	template <class Head, class... Tail> Printer& operator()(Head&& head, Tail&&... tail) {
		print(head);
		print(separator.sep);
		return operator()(std::forward<Tail>(tail)...);
	}
	template <class... Args> Printer& flag(bool f, Args&&... args) {
		if (f) {
			return operator()(std::forward<Args>(args)...);
		} else {
			return *this;
		}
	}
	template <class InputIterator>
	Printer& range(const InputIterator& begin, const InputIterator& end) {
		print_range(begin, end);
		print(separator.last);
		return *this;
	}
	template <class Container> Printer& range(const Container& a) {
		range(a.begin(), a.end());
		return *this;
	}
	template <class... T> void exit(T&&... t) {
		operator()(std::forward<T>(t)...);
		std::exit(EXIT_SUCCESS);
	}
	Printer& flush() {
		fflush_unlocked(stdout);
		return *this;
	}
	Printer& set(const BoolString& _bool_str) {
		bool_str = _bool_str;
		return *this;
	}
	Printer& set(const Separator& _separator) {
		separator = _separator;
		return *this;
	}
	Printer& set(std::string_view t, std::string_view f) {
		bool_str = BoolString(t, f);
		return *this;
	}
} out;
#line 5 "test/Input_Output.test.cpp"
using namespace std;

int main() {
	for (int t = in; t--;) {
		long long a = in, b = in;
		out(a + b);
	}
}

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