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#include "other/printer.hpp"
/**
* @brief Printer(高速出力)
*/
struct Printer {
public:
explicit Printer(FILE *fp) : fp(fp) {}
~Printer() { flush(); }
template <bool f = false, typename T, typename... E>
void write(const T &t, const E &...e) {
if (f) write_single(' ');
write_single(t);
write<true>(e...);
}
template <typename... T>
void writeln(const T &...t) {
write(t...);
write_single('\n');
}
void flush() {
fwrite(line, 1, st - line, fp);
st = line;
}
private:
FILE *fp = nullptr;
static constexpr size_t line_size = 1 << 16;
static constexpr size_t int_digits = 20;
char line[line_size + 1] = {};
char *st = line;
template <bool f = false>
void write() {}
void write_single(const char &t) {
if (st + 1 >= line + line_size) flush();
*st++ = t;
}
template <typename T, enable_if_t<is_integral<T>::value, int> = 0>
void write_single(T s) {
if (st + int_digits >= line + line_size) flush();
st += to_chars(st, st + int_digits, s).ptr - st;
}
void write_single(const string &s) {
for (auto &c : s) write_single(c);
}
void write_single(const char *s) {
while (*s != 0) write_single(*s++);
}
template <typename T>
void write_single(const vector<T> &s) {
for (size_t i = 0; i < s.size(); i++) {
if (i) write_single(' ');
write_single(s[i]);
}
}
};
#line 1 "other/printer.hpp"
/**
* @brief Printer(高速出力)
*/
struct Printer {
public:
explicit Printer(FILE *fp) : fp(fp) {}
~Printer() { flush(); }
template <bool f = false, typename T, typename... E>
void write(const T &t, const E &...e) {
if (f) write_single(' ');
write_single(t);
write<true>(e...);
}
template <typename... T>
void writeln(const T &...t) {
write(t...);
write_single('\n');
}
void flush() {
fwrite(line, 1, st - line, fp);
st = line;
}
private:
FILE *fp = nullptr;
static constexpr size_t line_size = 1 << 16;
static constexpr size_t int_digits = 20;
char line[line_size + 1] = {};
char *st = line;
template <bool f = false>
void write() {}
void write_single(const char &t) {
if (st + 1 >= line + line_size) flush();
*st++ = t;
}
template <typename T, enable_if_t<is_integral<T>::value, int> = 0>
void write_single(T s) {
if (st + int_digits >= line + line_size) flush();
st += to_chars(st, st + int_digits, s).ptr - st;
}
void write_single(const string &s) {
for (auto &c : s) write_single(c);
}
void write_single(const char *s) {
while (*s != 0) write_single(*s++);
}
template <typename T>
void write_single(const vector<T> &s) {
for (size_t i = 0; i < s.size(); i++) {
if (i) write_single(' ');
write_single(s[i]);
}
}
};