結果
問題 | No.850 企業コンテスト2位 |
ユーザー | Pachicobue |
提出日時 | 2019-07-06 22:26:18 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,145 bytes |
コンパイル時間 | 2,187 ms |
コンパイル使用メモリ | 208,884 KB |
実行使用メモリ | 25,616 KB |
平均クエリ数 | 194.79 |
最終ジャッジ日時 | 2024-07-16 17:42:07 |
合計ジャッジ時間 | 7,933 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
ソースコード
#include <bits/stdc++.h> #pragma GCC diagnostic ignored "-Wsign-compare" #pragma GCC diagnostic ignored "-Wsign-conversion" #define NDEBUG #define SHOW(...) static_cast<void>(0) //!===========================================================!// //! dP dP dP !// //! 88 88 88 !// //! 88aaaaa88a .d8888b. .d8888b. .d888b88 .d8888b. 88d888b. !// //! 88 88 88ooood8 88' '88 88' '88 88ooood8 88' '88 !// //! 88 88 88. ... 88. .88 88. .88 88. ... 88 !// //! dP dP '88888P' '88888P8 '88888P8 '88888P' dP !// //!===========================================================!// template <typename T> T read() { T v; return std::cin >> v, v; } template <typename T> std::vector<T> readVec(const std::size_t l) { std::vector<T> v(l); for (auto& e : v) { std::cin >> e; } return v; } using ld = long double; using uint = unsigned int; using ll = long long; using ull = unsigned long long; constexpr unsigned int MOD = 1000000007; template <typename T> constexpr T INF = std::numeric_limits<T>::max() / 4; template <typename F> constexpr F PI = static_cast<F>(3.1415926535897932385); std::mt19937 mt{std::random_device{}()}; template <typename T> bool chmin(T& a, const T& b) { return (a > b ? a = b, true : false); } template <typename T> bool chmax(T& a, const T& b) { return (a < b ? a = b, true : false); } template <typename T> std::vector<T> Vec(const std::size_t n, T v) { return std::vector<T>(n, v); } template <class... Args> auto Vec(const std::size_t n, Args... args) { return std::vector<decltype(Vec(args...))>(n, Vec(args...)); } template <typename T> constexpr T popCount(const T u) { #ifdef __has_builtin return u == 0 ? T(0) : (T)__builtin_popcountll(u); #else unsigned long long v = static_cast<unsigned long long>(u); return v = (v & 0x5555555555555555ULL) + (v >> 1 & 0x5555555555555555ULL), v = (v & 0x3333333333333333ULL) + (v >> 2 & 0x3333333333333333ULL), v = (v + (v >> 4)) & 0x0F0F0F0F0F0F0F0FULL, static_cast<T>(v * 0x0101010101010101ULL >> 56 & 0x7f); #endif } template <typename T> constexpr T log2p1(const T u) { #ifdef __has_builtin return u == 0 ? T(0) : T(64 - __builtin_clzll(u)); #else unsigned long long v = static_cast<unsigned long long>(u); return v = static_cast<unsigned long long>(v), v |= (v >> 1), v |= (v >> 2), v |= (v >> 4), v |= (v >> 8), v |= (v >> 16), v |= (v >> 32), popCount(v); #endif } template <typename T> constexpr T clog(const T v) { return v == 0 ? T(0) : log2p1(v - 1); } template <typename T> constexpr T msbp1(const T v) { return log2p1(v); } template <typename T> constexpr T lsbp1(const T v) { #ifdef __has_builtin return __builtin_ffsll(v); #else return v == 0 ? T(0) : popCount((v & (-v)) - T(1)) + T(1); #endif } template <typename T> constexpr bool ispow2(const T v) { return popCount(v) == 1; } template <typename T> constexpr T ceil2(const T v) { return v == 0 ? T(1) : T(1) << log2p1(v - 1); } template <typename T> constexpr T floor2(const T v) { return v == 0 ? T(0) : T(1) << (log2p1(v) - 1); } //!=====================================!// //! 8888ba.88ba oo !// //! 88 '8b '8b !// //! 88 88 88 .d8888b. dP 88d888b. !// //! 88 88 88 88' '88 88 88' '88 !// //! 88 88 88 88. .88 88 88 88 !// //! dP dP dP '88888P8 dP dP dP !// //!=====================================!// int main() { const int N = read<int>(); auto ask = [&](const int i, const int j) { return std::cout << "? " << i + 1 << " " << j + 1 << std::endl, read<int>() - 1; }; auto W = Vec(1, N, 0); std::iota(W[0].begin(), W[0].end(), 0); for (int i = 0; W[i].size() > 1; i++) { std::vector<int> w; for (int j = 0; j < W[i].size(); j += 2) { w.push_back(j + 1 == W[i].size() ? W[i][j] : ask(W[i][j], W[i][j + 1])); } W.push_back(w); } const int F = W.back().back(); W.pop_back(); for (const int w : W.back()) { if (w != F) { std::cout << "! " << w << std::endl; } } return 0; }