結果
問題 | No.1228 I hate XOR Matching |
ユーザー | Pachicobue |
提出日時 | 2020-09-11 23:02:07 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,134 bytes |
コンパイル時間 | 1,968 ms |
コンパイル使用メモリ | 210,524 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-08 12:16:12 |
合計ジャッジ時間 | 16,178 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | WA | - |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | WA | - |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | WA | - |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
ソースコード
#include <bits/stdc++.h> using ll = long long; using uint = unsigned int; using ull = unsigned long long; using ld = long double; template<typename T> using max_heap = std::priority_queue<T>; template<typename T> using min_heap = std::priority_queue<T, std::vector<T>, std::greater<T>>; constexpr int popcount(const ull v) { return v ? __builtin_popcountll(v) : 0; } constexpr int log2p1(const ull v) { return v ? 64 - __builtin_clzll(v) : 0; } constexpr int lsbp1(const ull v) { return __builtin_ffsll(v); } constexpr int clog(const ull v) { return v ? log2p1(v - 1) : 0; } constexpr ull ceil2(const ull v) { return 1ULL << clog(v); } constexpr ull floor2(const ull v) { return v ? (1ULL << (log2p1(v) - 1)) : 0ULL; } constexpr bool btest(const ull mask, const int ind) { return (mask >> ind) & 1ULL; } template<typename T> void bset(T& mask, const int ind) { mask |= ((T)1 << ind); } template<typename T> void breset(T& mask, const int ind) { mask &= ~((T)1 << ind); } template<typename T> void bflip(T& mask, const int ind) { mask ^= ((T)1 << ind); } template<typename T> void bset(T& mask, const int ind, const bool b) { (b ? bset(mask, ind) : breset(mask, ind)); } 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> constexpr T inf_v = std::numeric_limits<T>::max() / 4; template<typename Real> constexpr Real pi_v = Real{3.141592653589793238462643383279502884}; template<typename T> constexpr T TEN(const int n) { return n == 0 ? T{1} : TEN<T>(n - 1) * T{10}; } template<typename F> struct fix : F { fix(F&& f) : F{std::forward<F>(f)} {} template<typename... Args> auto operator()(Args&&... args) const { return F::operator()(*this, std::forward<Args>(args)...); } }; template<typename T, int n, int i = 0> auto nd_array(int const (&szs)[n], const T x = T{}) { if constexpr (i == n) { return x; } else { return std::vector(szs[i], nd_array<T, n, i + 1>(szs, x)); } } class printer { public: printer(std::ostream& os_ = std::cout) : os{os_} { os << std::fixed << std::setprecision(15); } template<typename T> int operator()(const T& v) { return os << v, 0; } template<typename T> int operator()(const std::vector<T>& vs) { for (int i = 0; i < (int)vs.size(); i++) { os << (i ? " " : ""), this->operator()(vs[i]); } return 0; } template<typename T> int operator()(const std::vector<std::vector<T>>& vss) { for (int i = 0; i < (int)vss.size(); i++) { os << (0 <= i or i + 1 < (int)vss.size() ? "\n" : ""), this->operator()(vss[i]); } return 0; } template<typename T, typename... Args> int operator()(const T& v, const Args&... args) { return this->operator()(v), os << ' ', this->operator()(args...), 0; } template<typename... Args> int ln(const Args&... args) { return this->operator()(args...), os << '\n', 0; } template<typename... Args> int el(const Args&... args) { return this->operator()(args...), os << std::endl, 0; } template<typename... Args> int fmt(const std::string& s, const Args&... args) { return rec(s, 0, args...); } private: int rec(const std::string& s, int index) { return os << s.substr(index, s.size()), 0; } template<typename T, typename... Args> int rec(const std::string& s, int index, const T& v, const Args&... args) { return index == s.size() ? 0 : s[index] == '%' ? (this->operator()(v), rec(s, index + 1, args...)) : (os << s[index], rec(s, index + 1, v, args...)); } std::ostream& os; }; printer out; class scanner { public: scanner(std::istream& is_ = std::cin) : is{is_} { is.tie(nullptr), std::ios::sync_with_stdio(false); } template<typename T> T val() { T v; return is >> v, v; } template<typename T> T val(const T offset) { return val<T>() - offset; } template<typename T> std::vector<T> vec(const int n) { std::vector<T> vs(n); for (auto& v : vs) { v = val<T>(); } return vs; } template<typename T> std::vector<T> vec(const int n, const T offset) { std::vector<T> vs(n); for (auto& v : vs) { v = val<T>(offset); } return vs; } template<typename T> std::vector<std::vector<T>> vvec(const int n0, const int n1) { std::vector<std::vector<T>> vss(n0); for (auto& vs : vss) { vs = vec<T>(n1); } return vss; } template<typename T> std::vector<std::vector<T>> vvec(const int n0, const int n1, const T offset) { std::vector<std::vector<T>> vss(n0); for (auto& vs : vss) { vs = vec<T>(n1, offset); } return vss; } template<typename... Args> auto tup() { return std::tuple<std::decay_t<Args>...>{val<Args>()...}; } template<typename... Args> auto tup(const Args&... offsets) { return std::tuple<std::decay_t<Args>...>{val<Args>(offsets)...}; } private: std::istream& is; }; scanner in; # define SHOW(...) static_cast<void>(0) int main() { auto [K, X] = in.tup<ull, ull>(); if (X == 0) { out.ln("Yes"); out.ln(1); out.ln(K ^ 1ULL); } std::vector<ull> bases; for (int i = 0; i < 20; i++) { bases.push_back(1ULL << i); } std::vector<ull> as; auto solve = [&](const ull X) { SHOW(X); as = bases; int lg = log2(X); SHOW(lg); for (int i = 0; i < 20; i++) { if (lg == 0) { break; } as.push_back(bases[i]); lg--; } for (int m = 1; m < (1 << 20); m++) { if (popcount(m) == 1) { continue; } if (lg == 0) { break; } ull mask = 0; for (int i = 0; i < 20; i++) { if (btest(m, i)) { mask ^= (1ULL << i); } } as.push_back(mask); lg--; if (lg == 0) { break; } as.push_back(mask); lg--; } }; if (K == 0) { if (ceil2(X + 1) == X + 1) { solve(X + 1); } else { if (X % 2 != 1) { return out.ln("No"); } const ull A = (X - 1) / 2; if (ceil2(A + 1) == A + 1) { solve(A + 1); as.push_back(0); } else { if (X % 4 != 3) { return out.ln("No"); } const ull B = (X - 3) / 4; if (ceil2(B + 1) == B + 1) { solve(B + 1); as.push_back(0); as.push_back(0); } } } } else { if (ceil2(X) != X) { return out.ln("No"); } solve(X); } if (as.empty()) { return out.ln("No"); } out.ln("Yes"); out.ln(as.size()); out.ln(as); return 0; }