結果
問題 | No.972 選び方のスコア |
ユーザー | kyawashell |
提出日時 | 2020-06-27 15:53:07 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 130 ms / 2,000 ms |
コード長 | 6,435 bytes |
コンパイル時間 | 966 ms |
コンパイル使用メモリ | 96,040 KB |
実行使用メモリ | 6,528 KB |
最終ジャッジ日時 | 2024-07-05 16:28:30 |
合計ジャッジ時間 | 5,975 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 127 ms
6,400 KB |
testcase_01 | AC | 130 ms
6,272 KB |
testcase_02 | AC | 125 ms
6,016 KB |
testcase_03 | AC | 59 ms
5,376 KB |
testcase_04 | AC | 119 ms
6,400 KB |
testcase_05 | AC | 117 ms
6,528 KB |
testcase_06 | AC | 119 ms
6,528 KB |
testcase_07 | AC | 96 ms
5,632 KB |
testcase_08 | AC | 112 ms
6,272 KB |
testcase_09 | AC | 110 ms
6,272 KB |
testcase_10 | AC | 108 ms
6,400 KB |
testcase_11 | AC | 115 ms
6,272 KB |
testcase_12 | AC | 114 ms
6,400 KB |
testcase_13 | AC | 115 ms
6,400 KB |
testcase_14 | AC | 115 ms
6,528 KB |
testcase_15 | AC | 113 ms
6,528 KB |
testcase_16 | AC | 116 ms
6,528 KB |
testcase_17 | AC | 115 ms
6,400 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 112 ms
6,400 KB |
testcase_20 | AC | 114 ms
6,528 KB |
testcase_21 | AC | 115 ms
6,400 KB |
testcase_22 | AC | 115 ms
6,272 KB |
testcase_23 | AC | 114 ms
6,272 KB |
testcase_24 | AC | 114 ms
6,400 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | AC | 2 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 2 ms
5,376 KB |
testcase_34 | AC | 2 ms
5,376 KB |
ソースコード
#include <stdint.h> #include <stdlib.h> #include <algorithm> #include <iostream> #include <numeric> #include <vector> using namespace std; using default_counter_t = int64_t; // macro #define let auto const& #define overload4(a, b, c, d, name, ...) name #define rep1(n) \ for (default_counter_t i = 0, end_i = default_counter_t(n); i < end_i; ++i) #define rep2(i, n) \ for (default_counter_t i = 0, end_##i = default_counter_t(n); i < end_##i; \ ++i) #define rep3(i, a, b) \ for (default_counter_t i = default_counter_t(a), \ end_##i = default_counter_t(b); \ i < end_##i; ++i) #define rep4(i, a, b, c) \ for (default_counter_t i = default_counter_t(a), \ end_##i = default_counter_t(b); \ i < end_##i; i += default_counter_t(c)) #define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__) #define rrep1(n) \ for (default_counter_t i = default_counter_t(n) - 1; i >= 0; --i) #define rrep2(i, n) \ for (default_counter_t i = default_counter_t(n) - 1; i >= 0; --i) #define rrep3(i, a, b) \ for (default_counter_t i = default_counter_t(b) - 1, \ begin_##i = default_counter_t(a); \ i >= begin_##i; --i) #define rrep4(i, a, b, c) \ for (default_counter_t \ i = (default_counter_t(b) - default_counter_t(a) - 1) / \ default_counter_t(c) * default_counter_t(c) + \ default_counter_t(a), \ begin_##i = default_counter_t(a); \ i >= begin_##i; i -= default_counter_t(c)) #define rrep(...) \ overload4(__VA_ARGS__, rrep4, rrep3, rrep2, rrep1)(__VA_ARGS__) #define ALL(f, c, ...) \ (([&](decltype((c)) cccc) { \ return (f)(std::begin(cccc), std::end(cccc), ##__VA_ARGS__); \ })(c)) // function template <class C> constexpr C& Sort(C& a) { std::sort(std::begin(a), std::end(a)); return a; } template <class C> constexpr auto& Min(C const& a) { return *std::min_element(std::begin(a), std::end(a)); } template <class C> constexpr auto& Max(C const& a) { return *std::max_element(std::begin(a), std::end(a)); } template <class C> constexpr auto Total(C const& c) { return std::accumulate(std::begin(c), std::end(c), C(0)); } template <typename T> auto CumSum(std::vector<T> const& v) { std::vector<T> a(v.size() + 1, T(0)); for (std::size_t i = 0; i < a.size() - size_t(1); ++i) a[i + 1] = a[i] + v[i]; return a; } template <typename T> constexpr bool ChMax(T& a, T const& b) { if (a < b) { a = b; return true; } return false; } template <typename T> constexpr bool ChMin(T& a, T const& b) { if (b < a) { a = b; return true; } return false; } void In(void) { return; } template <typename First, typename... Rest> void In(First& first, Rest&... rest) { cin >> first; In(rest...); return; } template <class T, typename I> void VectorIn(vector<T>& v, const I n) { v.resize(size_t(n)); rep(i, v.size()) cin >> v[i]; } void Out(void) { cout << "\n"; return; } template <typename First, typename... Rest> void Out(First first, Rest... rest) { cout << first << " "; Out(rest...); return; } constexpr auto yes(const bool c) { return c ? "yes" : "no"; } constexpr auto Yes(const bool c) { return c ? "Yes" : "No"; } constexpr auto YES(const bool c) { return c ? "YES" : "NO"; } // http://koturn.hatenablog.com/entry/2018/08/01/010000 template <typename T, typename U> inline std::vector<U> MakeNdVector(T n, U val) noexcept { static_assert(std::is_integral<T>::value, "[MakeNdVector] The 1st argument must be an integer"); return std::vector<U>(std::forward<T>(n), std::forward<U>(val)); } template <typename T, typename... Args> inline decltype(auto) MakeNdVector(T n, Args&&... args) noexcept { static_assert(std::is_integral<T>::value, "[MakeNdVector] The 1st argument must be an integer"); return std::vector<decltype(MakeNdVector(std::forward<Args>(args)...))>( std::forward<T>(n), MakeNdVector(std::forward<Args>(args)...)); } template <typename T, std::size_t N, typename std::enable_if<(N > 0), std::nullptr_t>::type = nullptr> struct NdvectorImpl { using type = std::vector<typename NdvectorImpl<T, N - 1>::type>; }; // struct ndvector_impl template <typename T> struct NdvectorImpl<T, 1> { using type = std::vector<T>; }; // struct ndvector_impl template <typename T, std::size_t N> using NdVector = typename NdvectorImpl<T, N>::type; #ifdef USE_STACK_TRACE_LOGGER #ifdef __clang__ #pragma clang diagnostic push #pragma clang diagnostic ignored "-Weverything" #include <glog/logging.h> #pragma clang diagnostic pop #endif //__clang__ #endif // USE_STACK_TRACE_LOGGER #include <functional> template <typename T> bool C(T x) { (void)x; // 上の条件を満たす関数 return false; } template <typename T> T LowerBound(T s, T t, function<bool(T)> Comp = C<T>) { T lb = s - 1, ub = t; while (ub - lb > 1) { T mid = (ub + lb) / 2; // ub lb がともに大きい時オーバフローするので注意 (Comp(mid) ? ub : lb) = mid; } return ub; // ub = t のときはすべてfalse } signed main(int argc, char* argv[]) { (void)argc; #ifdef USE_STACK_TRACE_LOGGER google::InitGoogleLogging(argv[0]); google::InstallFailureSignalHandler(); #else (void)argv; #endif // USE_STACK_TRACE_LOGGER int64_t N; In(N); vector<int64_t> a(N); rep(i, N) In(a[i]); Sort(a); vector<int64_t> cum(N + 1, 0); rep(i, N) cum[i + 1] = cum[i] + a[i]; int64_t ans = 0; rep(i, N) { int64_t max_l = min(i, N - i - 1); function<bool(int64_t)> Comp = [&](int64_t l) { if (i - l - 1 < 0) { return true; } return a[N - l - 1] + a[i - l - 1] - 2 * a[i] < 0; }; int64_t l = LowerBound<int64_t>(0, max_l + 1, Comp); l = min<int64_t>(max_l, l); int64_t tmp = cum[i] - cum[i - l] + cum[N] - cum[N - l] - (2 * l) * a[i]; ChMax(ans, tmp); } cout << ans << endl; return EXIT_SUCCESS; }