結果
問題 | No.2353 Guardian Dogs in Spring |
ユーザー | KoD |
提出日時 | 2023-06-16 21:46:16 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 5 ms / 2,000 ms |
コード長 | 5,819 bytes |
コンパイル時間 | 1,561 ms |
コンパイル使用メモリ | 141,748 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-24 13:39:26 |
合計ジャッジ時間 | 6,508 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 3 ms
6,944 KB |
testcase_06 | AC | 4 ms
6,944 KB |
testcase_07 | AC | 3 ms
6,944 KB |
testcase_08 | AC | 4 ms
6,944 KB |
testcase_09 | AC | 3 ms
6,940 KB |
testcase_10 | AC | 4 ms
6,944 KB |
testcase_11 | AC | 4 ms
6,940 KB |
testcase_12 | AC | 4 ms
6,944 KB |
testcase_13 | AC | 4 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 4 ms
6,944 KB |
testcase_16 | AC | 5 ms
6,940 KB |
testcase_17 | AC | 5 ms
6,944 KB |
testcase_18 | AC | 4 ms
6,940 KB |
testcase_19 | AC | 5 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 3 ms
6,940 KB |
testcase_23 | AC | 4 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 4 ms
6,940 KB |
testcase_30 | AC | 3 ms
6,944 KB |
testcase_31 | AC | 3 ms
6,940 KB |
testcase_32 | AC | 4 ms
6,944 KB |
testcase_33 | AC | 4 ms
6,940 KB |
testcase_34 | AC | 4 ms
6,940 KB |
testcase_35 | AC | 5 ms
6,940 KB |
testcase_36 | AC | 2 ms
6,944 KB |
testcase_37 | AC | 2 ms
6,944 KB |
testcase_38 | AC | 3 ms
6,940 KB |
testcase_39 | AC | 3 ms
6,944 KB |
testcase_40 | AC | 3 ms
6,944 KB |
testcase_41 | AC | 4 ms
6,944 KB |
ソースコード
// #define MULTEST #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <chrono> #include <cmath> #include <complex> #include <cstdio> #include <ctime> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <limits> #include <map> #include <numeric> #include <optional> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <type_traits> #include <utility> #include <variant> #include <vector> namespace kod { namespace util { template <class F> class fixed_point : private F { constexpr fixed_point(F&& f) noexcept : F(std::forward<F>(f)) {} template <class G> friend constexpr decltype(auto) make_fixed(G&&) noexcept; public: template <class... Args> constexpr decltype(auto) operator()(Args&&... args) const noexcept { return F::operator()(*this, std::forward<Args>(args)...); } }; template <class G> [[nodiscard]] constexpr decltype(auto) make_fixed(G&& g) noexcept { using F = std::decay_t<G>; return fixed_point<F>(std::forward<F>(g)); } } // namespace util } // namespace kod namespace kod { namespace util { class forward_loop { int x, y; constexpr forward_loop(int x, int y) noexcept : x(x), y(y) {} friend constexpr forward_loop rep(int, int) noexcept; friend constexpr forward_loop rep(int) noexcept; public: constexpr forward_loop begin() const noexcept { return *this; } constexpr std::monostate end() const noexcept { return {}; } constexpr bool operator!=(std::monostate) const noexcept { return x < y; } constexpr void operator++() const noexcept {} constexpr int operator*() noexcept { return x++; } }; [[nodiscard]] constexpr forward_loop rep(int l, int r) noexcept { return forward_loop(l, r); } [[nodiscard]] constexpr forward_loop rep(int n) noexcept { return forward_loop(0, n); } class backward_loop { int x, y; constexpr backward_loop(int x, int y) noexcept : x(x), y(y) {} friend constexpr backward_loop revrep(int, int) noexcept; friend constexpr backward_loop revrep(int) noexcept; public: constexpr backward_loop begin() const noexcept { return *this; } constexpr std::monostate end() const noexcept { return {}; } constexpr bool operator!=(std::monostate) const noexcept { return x > y; } constexpr void operator++() const noexcept {} constexpr int operator*() noexcept { return --x; } }; [[nodiscard]] constexpr backward_loop revrep(int l, int r) noexcept { return backward_loop(r, l); } [[nodiscard]] constexpr backward_loop revrep(int n) noexcept { return backward_loop(n, 0); } template <class F> constexpr void repeat(int n, const F& f) noexcept { assert(n >= 0); while (n--) f(); } } // namespace util } // namespace kod namespace kod { namespace util { namespace stdio_impl { template <class T> T scan() { T x; std::cin >> x; return x; } struct scan_any { template <class T> operator T() const { return scan<T>(); } }; } // namespace stdio_impl template <class T = void> decltype(auto) scan() { if constexpr (std::is_same_v<T, void>) return stdio_impl::scan_any{}; else return stdio_impl::scan<T>(); } template <class T, std::size_t N> std::array<T, N> scan_arr() { std::array<T, N> a; for (auto& x : a) x = scan<T>(); return a; } template <class T> std::vector<T> scan_vec(int n) { if (n == -1) n = scan<int>(); assert(n >= 0); std::vector<T> v; v.reserve(n); while (n--) v.push_back(scan<T>()); return v; } void flush() { std::cout << std::flush; } void print() {} template <class T, class... Args> void print(const T& x, const Args&... args) { std::cout << x; if (sizeof...(args) != 0) std::cout << ' '; print(args...); } template <class... Args> void println(const Args&... args) { print(args...); std::cout << '\n'; } template <class C> void print_seq(const C& c, const char* sep = " ", const char* end = "\n") { bool f = false; for (const auto& x : c) { if (f) std::cout << sep; else f = true; std::cout << x; } std::cout << end; } } // namespace util } // namespace kod namespace kod { namespace sol { using ll = long long; using uint = unsigned; using ull = unsigned long long; using std::array; using std::pair; using std::string; using std::tuple; using std::vector; using namespace util; constexpr int inf = std::numeric_limits<int>::max() / 2; constexpr ll infll = std::numeric_limits<ll>::max() / 2; constexpr ll floor_div(ll x, ll y) noexcept { assert(y != 0); return x / y - ((x ^ y) < 0 && x % y != 0); } constexpr ll ceil_div(ll x, ll y) noexcept { assert(y != 0); return x / y + ((x ^ y) >= 0 && x % y != 0); } template <class T> constexpr bool setmin(T& lhs, const T& rhs) noexcept { if (lhs > rhs) { lhs = rhs; return true; } return false; } template <class T> constexpr bool setmax(T& lhs, const T& rhs) noexcept { if (lhs < rhs) { lhs = rhs; return true; } return false; } void run(); } // namespace sol } // namespace kod int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(nullptr); std::cout << std::fixed << std::setprecision(20); int cases = 1; #ifdef MULTEST std::cin >> cases; #endif while (cases--) kod::sol::run(); return 0; } #ifdef KOD_LOCAL #define OJ_LOCAL(a, b) b #include <kodlib/misc/debug> #else #define OJ_LOCAL(a, b) a #define DBG(...) #define SHOW(...) #endif namespace kod { namespace sol { void run() { const int n = scan(); vector<tuple<int, int, int>> pts(n); for (const int i : rep(n)) { int x = scan(); int y = scan(); pts[i] = {x, y, i + 1}; } std::sort(pts.begin(), pts.end()); println(n / 2); for (const int i : rep(n / 2)) { println(std::get<2>(pts[2 * i]), std::get<2>(pts[2 * i + 1])); } } } // namespace sol } // namespace kod