結果
問題 | No.2024 Xer |
ユーザー | hitonanode |
提出日時 | 2022-07-29 21:59:08 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 76 ms / 2,000 ms |
コード長 | 7,416 bytes |
コンパイル時間 | 2,020 ms |
コンパイル使用メモリ | 182,668 KB |
実行使用メモリ | 25,584 KB |
最終ジャッジ日時 | 2024-07-19 14:40:43 |
合計ジャッジ時間 | 4,235 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 76 ms
25,584 KB |
testcase_08 | AC | 42 ms
9,968 KB |
testcase_09 | AC | 38 ms
6,940 KB |
testcase_10 | AC | 38 ms
6,944 KB |
testcase_11 | AC | 23 ms
6,940 KB |
testcase_12 | AC | 40 ms
6,940 KB |
testcase_13 | AC | 41 ms
6,944 KB |
testcase_14 | AC | 63 ms
6,944 KB |
testcase_15 | AC | 29 ms
6,944 KB |
testcase_16 | AC | 46 ms
6,940 KB |
testcase_17 | AC | 15 ms
6,940 KB |
testcase_18 | AC | 27 ms
6,940 KB |
testcase_19 | AC | 66 ms
6,940 KB |
testcase_20 | AC | 22 ms
6,940 KB |
testcase_21 | AC | 38 ms
6,944 KB |
testcase_22 | AC | 37 ms
6,940 KB |
testcase_23 | AC | 38 ms
6,944 KB |
testcase_24 | AC | 41 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 3 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,944 KB |
testcase_31 | AC | 2 ms
6,940 KB |
testcase_32 | AC | 3 ms
6,940 KB |
testcase_33 | AC | 2 ms
6,940 KB |
testcase_34 | AC | 2 ms
6,940 KB |
testcase_35 | AC | 2 ms
6,940 KB |
testcase_36 | AC | 2 ms
6,944 KB |
testcase_37 | AC | 2 ms
6,944 KB |
testcase_38 | AC | 2 ms
6,940 KB |
testcase_39 | AC | 2 ms
6,940 KB |
testcase_40 | AC | 2 ms
6,940 KB |
testcase_41 | AC | 3 ms
6,948 KB |
testcase_42 | AC | 2 ms
6,944 KB |
testcase_43 | AC | 3 ms
6,940 KB |
testcase_44 | AC | 2 ms
6,940 KB |
testcase_45 | AC | 30 ms
6,940 KB |
testcase_46 | AC | 8 ms
6,940 KB |
testcase_47 | AC | 23 ms
6,940 KB |
testcase_48 | AC | 2 ms
6,940 KB |
testcase_49 | AC | 2 ms
6,940 KB |
testcase_50 | AC | 2 ms
6,940 KB |
ソースコード
#include <algorithm> #include <array> #include <bitset> #include <cassert> #include <chrono> #include <cmath> #include <complex> #include <deque> #include <forward_list> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iostream> #include <limits> #include <list> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <sstream> #include <stack> #include <string> #include <tuple> #include <type_traits> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using lint = long long; using pint = pair<int, int>; using plint = pair<lint, lint>; struct fast_ios { fast_ios(){ cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(20); }; } fast_ios_; #define ALL(x) (x).begin(), (x).end() #define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++) #define IFOR(i, begin, end) for(int i=(end)-1,i##_begin_=(begin);i>=i##_begin_;i--) #define REP(i, n) FOR(i,0,n) #define IREP(i, n) IFOR(i,0,n) template <typename T, typename V> void ndarray(vector<T>& vec, const V& val, int len) { vec.assign(len, val); } template <typename T, typename V, typename... Args> void ndarray(vector<T>& vec, const V& val, int len, Args... args) { vec.resize(len), for_each(begin(vec), end(vec), [&](T& v) { ndarray(v, val, args...); }); } template <typename T> bool chmax(T &m, const T q) { return m < q ? (m = q, true) : false; } template <typename T> bool chmin(T &m, const T q) { return m > q ? (m = q, true) : false; } int floor_lg(long long x) { return x <= 0 ? -1 : 63 - __builtin_clzll(x); } template <typename T1, typename T2> pair<T1, T2> operator+(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first + r.first, l.second + r.second); } template <typename T1, typename T2> pair<T1, T2> operator-(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first - r.first, l.second - r.second); } template <typename T> vector<T> sort_unique(vector<T> vec) { sort(vec.begin(), vec.end()), vec.erase(unique(vec.begin(), vec.end()), vec.end()); return vec; } template <typename T> int arglb(const std::vector<T> &v, const T &x) { return std::distance(v.begin(), std::lower_bound(v.begin(), v.end(), x)); } template <typename T> int argub(const std::vector<T> &v, const T &x) { return std::distance(v.begin(), std::upper_bound(v.begin(), v.end(), x)); } template <typename T> istream &operator>>(istream &is, vector<T> &vec) { for (auto &v : vec) is >> v; return is; } template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) { os << '['; for (auto v : vec) os << v << ','; os << ']'; return os; } template <typename T, size_t sz> ostream &operator<<(ostream &os, const array<T, sz> &arr) { os << '['; for (auto v : arr) os << v << ','; os << ']'; return os; } #if __cplusplus >= 201703L template <typename... T> istream &operator>>(istream &is, tuple<T...> &tpl) { std::apply([&is](auto &&... args) { ((is >> args), ...);}, tpl); return is; } template <typename... T> ostream &operator<<(ostream &os, const tuple<T...> &tpl) { os << '('; std::apply([&os](auto &&... args) { ((os << args << ','), ...);}, tpl); return os << ')'; } #endif template <typename T> ostream &operator<<(ostream &os, const deque<T> &vec) { os << "deq["; for (auto v : vec) os << v << ','; os << ']'; return os; } template <typename T> ostream &operator<<(ostream &os, const set<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template <typename T, typename TH> ostream &operator<<(ostream &os, const unordered_set<T, TH> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template <typename T> ostream &operator<<(ostream &os, const multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template <typename T> ostream &operator<<(ostream &os, const unordered_multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa) { os << '(' << pa.first << ',' << pa.second << ')'; return os; } template <typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; } template <typename TK, typename TV, typename TH> ostream &operator<<(ostream &os, const unordered_map<TK, TV, TH> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; } #ifdef HITONANODE_LOCAL const string COLOR_RESET = "\033[0m", BRIGHT_GREEN = "\033[1;32m", BRIGHT_RED = "\033[1;31m", BRIGHT_CYAN = "\033[1;36m", NORMAL_CROSSED = "\033[0;9;37m", RED_BACKGROUND = "\033[1;41m", NORMAL_FAINT = "\033[0;2m"; #define dbg(x) cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << endl #define dbgif(cond, x) ((cond) ? cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << endl : cerr) #else #define dbg(x) 0 #define dbgif(cond, x) 0 #endif void bad() { puts("No"); exit(0); } int main() { int N, X; cin >> N >> X; vector<int> A(N); cin >> A; if (sort_unique(A).size() != A.size()) bad(); dbg("S"); sort(A.begin(), A.end()); auto rec = [&](auto &&self, vector<int> vec, int D) -> void { if (vec.size() <= 1) return; int nl = arglb(vec, 1 << D), nr = int(vec.size()) - nl; dbg(vec); if (((X >> D) & 1) == 0) { if (D) { if (nl > 1) { vector<int> tmp(vec.begin(), vec.begin() + nl); self(self, tmp, D - 1); } if (nr > 1) { vector<int> tmp(vec.end() - nr, vec.end()); dbg(tmp); for (auto &x : tmp) x &= ~(1 << D); dbg(tmp); self(self, tmp, D - 1); } } } else { if (abs(nl - nr) > 1) bad(); bool good = false; if (nl >= nr) { vector<int> tmps; REP(i, nl) { if (i < nl) tmps.push_back(vec[i]); if (nl + i < vec.size()) tmps.push_back(vec[nl + i]); } int Y = X & ((1LL << (D + 1)) - 1); bool flg = true; REP(i, tmps.size() - 1) { if (tmps[i] >= (tmps[i + 1] ^ Y)) flg = false; if ((tmps[i] ^ Y) >= (tmps[i + 1])) flg = false; } good |= flg; } if (nl <= nr) { vector<int> tmps; REP(i, nr) { if (nl + i < vec.size()) tmps.push_back(vec[nl + i]); if (i < nl) tmps.push_back(vec[i]); } int Y = X & ((1LL << (D + 1)) - 1); bool flg = true; REP(i, tmps.size() - 1) { if (tmps[i] >= (tmps[i + 1] ^ Y)) flg = false; if ((tmps[i] ^ Y) >= (tmps[i + 1])) flg = false; } good |= flg; } if (!good) bad(); } }; rec(rec, A, 29); puts("Yes"); }