#define _CRT_NONSTDC_NO_WARNINGS #define _CRT_SECURE_NO_WARNINGS #include #include #include #include //#include //#include //#include #ifdef _MSC_VER #include #include #include #include #include #include #include int __builtin_clz(unsigned int n) { unsigned long index; _BitScanReverse(&index, n); return 31 - index; } int __builtin_ctz(unsigned int n) { unsigned long index; _BitScanForward(&index, n); return index; } namespace std { inline int __lg(int __n) { return sizeof(int) * 8 - 1 - __builtin_clz(__n); } } #else #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #endif /** compro_io **/ /* tuple */ // out namespace aux { template struct tp { static void output(std::ostream& os, const T& v) { os << std::get(v) << ", "; tp::output(os, v); } }; template struct tp { static void output(std::ostream& os, const T& v) { os << std::get(v); } }; } template std::ostream& operator<<(std::ostream& os, const std::tuple& t) { os << '['; aux::tp, 0, sizeof...(Ts) - 1>::output(os, t); return os << ']'; } template std::basic_ostream& operator<<(std::basic_ostream& os, const Container& x); /* pair */ // out template std::ostream& operator<<(std::ostream& os, const std::pair& p) { return os << "[" << p.first << ", " << p.second << "]"; } // in template std::istream& operator>>(std::istream& is, std::pair& p) { return is >> p.first >> p.second; } /* container */ // out template std::basic_ostream& operator<<(std::basic_ostream& os, const Container& x) { bool f = true; os << "["; for (auto& y : x) { os << (f ? "" : ", ") << y; f = false; } return os << "]"; } // in template < class T, class = decltype(std::begin(std::declval())), class = typename std::enable_if::value>::type > std::istream& operator>>(std::istream& is, T& a) { for (auto& x : a) is >> x; return is; } std::ostream& operator<<(std::ostream& os, const std::vector& v) { std::string s(v.size(), ' '); for (int i = 0; i < v.size(); i++) s[i] = v[i] + '0'; os << s; return os; } std::ostream& operator<<(std::ostream& os, const std::vector>& m) { for (const auto& v : m) os << v << '\n'; return os; } /* struct */ template auto operator<<(std::ostream& out, const T& t) -> decltype(out << t.stringify()) { out << t.stringify(); return out; } /* setup */ struct IOSetup { IOSetup(bool f) { if (f) { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); } std::cout << std::fixed << std::setprecision(15); } } iosetup(true); /** string formatter **/ template std::string format(const std::string& f, Ts... t) { size_t l = std::snprintf(nullptr, 0, f.c_str(), t...); std::vector b(l + 1); std::snprintf(&b[0], l + 1, f.c_str(), t...); return std::string(&b[0], &b[0] + l); } template std::string stringify(const T& x) { std::ostringstream oss; oss << x; return oss.str(); } /* dump */ #define DUMPOUT std::cerr std::ostringstream DUMPBUF; #define dump(...) do{DUMPBUF<<" ";DUMPBUF<<#__VA_ARGS__<<" :[DUMP - "<<__LINE__<<":"<<__FUNCTION__<<"]"< void dump_func(Head&& head, Tail&&... tail) { DUMPBUF << head; if (sizeof...(Tail) == 0) { DUMPBUF << " "; } else { DUMPBUF << ", "; } dump_func(std::move(tail)...); } ///* timer */ //class Timer { // double t = 0, paused = 0, tmp; //public: // Timer() { reset(); } // static double time() { //#ifdef _MSC_VER // return __rdtsc() / 3.0e9; //#else // unsigned long long a, d; // __asm__ volatile("rdtsc" // : "=a"(a), "=d"(d)); // return (d << 32 | a) / 3.0e9; //#endif // } // void reset() { t = time(); } // void pause() { tmp = time(); } // void restart() { paused += time() - tmp; } // double elapsed_ms() const { return (time() - t - paused) * 1000.0; } //} timer; /* rand */ struct Xorshift { uint64_t x = 88172645463325252LL; void set_seed(unsigned seed, int rep = 100) { x = uint64_t((seed + 1) * 10007); for (int i = 0; i < rep; i++) next_int(); } unsigned next_int() { x = x ^ (x << 7); return x = x ^ (x >> 9); } unsigned next_int(unsigned mod) { x = x ^ (x << 7); x = x ^ (x >> 9); return x % mod; } unsigned next_int(unsigned l, unsigned r) { x = x ^ (x << 7); x = x ^ (x >> 9); return x % (r - l + 1) + l; } // inclusive double next_double() { return double(next_int()) / UINT_MAX; } } rnd; /* shuffle */ template void shuffle_vector(std::vector& v, Xorshift& rnd) { int n = v.size(); for (int i = n - 1; i >= 1; i--) { int r = rnd.next_int(i); std::swap(v[i], v[r]); } } /* split */ std::vector split(std::string str, const std::string& delim) { for (char& c : str) if (delim.find(c) != std::string::npos) c = ' '; std::istringstream iss(str); std::vector parsed; std::string buf; while (iss >> buf) parsed.push_back(buf); return parsed; } template inline void Fill(A(&array)[N], const T& val) { std::fill((T*)array, (T*)(array + N), val); } template auto make_vector(T x, int arg, Args ...args) { if constexpr (sizeof...(args) == 0)return std::vector(arg, x); else return std::vector(arg, make_vector(x, args...)); } template bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } return false; } template bool chmin(T& a, const T& b) { if (a > b) { a = b; return true; } return false; } using ll = long long; using ull = unsigned long long; using ld = double; //using ld = boost::multiprecision::cpp_bin_float_quad; using pii = std::pair; using pll = std::pair; using namespace std; template void print_vector(const std::vector& v) { for (int i = 0; i < v.size(); i++) { std::cout << (i ? " " : "") << v[i]; } std::cout << '\n'; } constexpr int N = 100; constexpr int M = 8; int xs[N], ys[N]; int main() { { int buf; cin >> buf >> buf; } for (int i = 0; i < N; i++) cin >> xs[i] >> ys[i]; for (int i = 0; i < M; i++) { cout << "0 0" << '\n'; } cout << N + 1 << '\n'; for (int i = 0; i < N; i++) { cout << 1 << ' ' << i + 1 << '\n'; } cout << "1 1" << '\n'; return 0; }