結果
問題 | No.2672 Subset Xor Sum |
ユーザー | Xelmeph |
提出日時 | 2024-02-28 16:34:18 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,318 bytes |
コンパイル時間 | 1,741 ms |
コンパイル使用メモリ | 141,884 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-09-29 23:31:27 |
合計ジャッジ時間 | 4,225 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
(要ログイン)
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
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 3 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 3 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 2 ms
5,248 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 3 ms
5,248 KB |
testcase_25 | AC | 2 ms
5,248 KB |
testcase_26 | AC | 2 ms
5,248 KB |
testcase_27 | AC | 2 ms
5,248 KB |
testcase_28 | AC | 2 ms
5,248 KB |
testcase_29 | AC | 2 ms
5,248 KB |
testcase_30 | AC | 2 ms
5,248 KB |
testcase_31 | AC | 39 ms
5,248 KB |
testcase_32 | AC | 17 ms
5,248 KB |
testcase_33 | AC | 15 ms
5,248 KB |
testcase_34 | AC | 28 ms
5,248 KB |
testcase_35 | AC | 38 ms
5,248 KB |
testcase_36 | AC | 32 ms
5,248 KB |
testcase_37 | AC | 37 ms
5,248 KB |
testcase_38 | AC | 20 ms
5,248 KB |
testcase_39 | AC | 42 ms
5,248 KB |
testcase_40 | AC | 9 ms
5,248 KB |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | AC | 2 ms
5,248 KB |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | AC | 2 ms
5,248 KB |
testcase_52 | AC | 3 ms
5,248 KB |
testcase_53 | AC | 2 ms
5,248 KB |
testcase_54 | AC | 2 ms
5,248 KB |
testcase_55 | AC | 2 ms
5,248 KB |
testcase_56 | WA | - |
testcase_57 | AC | 2 ms
5,248 KB |
testcase_58 | AC | 2 ms
5,248 KB |
testcase_59 | WA | - |
testcase_60 | WA | - |
testcase_61 | WA | - |
testcase_62 | AC | 26 ms
5,248 KB |
testcase_63 | AC | 2 ms
5,248 KB |
testcase_64 | AC | 2 ms
5,248 KB |
testcase_65 | AC | 2 ms
5,248 KB |
testcase_66 | WA | - |
testcase_67 | AC | 2 ms
5,248 KB |
ソースコード
#include <iostream> #include <iomanip> #include <fstream> #include <string> #include <array> #include <vector> #include <deque> #include <list> #include <set> #include <map> #include <unordered_map> #include <unordered_set> #include <stack> #include <queue> #include <bitset> #include <tuple> #include <cmath> #include <complex> #include <algorithm> #include <utility> #include <regex> #include <cstdint> #include <numeric> #include <functional> #include <cassert> using namespace std; namespace utils{ #define ALL(x) begin(x), end(x) #define RALL(x) rbegin(x), rend(x) ///----- aliases using ll = long long int; using ull = unsigned long long; template<class T, class Compare> using p_queue = priority_queue<T, vector<T>, Compare>; template<class T> using min_queue = p_queue<T, greater<T>>; template<class T> using max_queue = p_queue<T, less<T>>; template<class T> inline bool CHMIN(T& X, const T& A){ if(X > A) {X = A; return true;} return false; } template<class T> inline bool CHMAX(T& X, const T& A){ if(X < A) {X = A; return true;} return false; } ///----- vector I/O template<class T> vector<T> VEC(size_t n, T t){ return vector<T>(n, t); } template<class ...Ts> auto VEC(size_t n, Ts ... ts){ return vector<decltype(VEC(ts...))>(n, VEC(ts...)); } template<class T> istream& operator>>(istream& is, vector<T>& v){ for (auto &&x : v) { is >> x; } return is; } template<class T> ostream& operator<<(ostream& os, const vector<T>& v){ auto p = v.begin(); assert(p != v.end()); os << *p++; while(p != v.end()){ os << ' ' << *p++; } return os ; } template<class T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){ auto p = v.begin(); assert(p != v.end()); os << *p++; while(p != v.end()){ os << '\n' << *p++; } return os; } ///----- tuple I/O template <class S, class T> istream& operator>>(istream& is, tuple<S, T>& t){ return is >> get<0>(t) >> get<1>(t); } template <class S, class T> istream& operator>>(istream& is, pair<S, T>& t){ return is >> get<0>(t) >> get<1>(t); } template <class S, class T, class U> istream& operator>>(istream& is, tuple<S, T, U>& t){ return is >> get<0>(t) >> get<1>(t) >> get<2>(t); } template <class S, class T> ostream& operator<<(ostream& os, const tuple<S, T>& t){ return os << get<0>(t) << ' ' << get<1>(t); } template <class S, class T> ostream& operator<<(ostream& os, const pair<S, T>& t){ return os << get<0>(t) << ' ' << get<1>(t); } template <class S, class T, class U> ostream& operator<<(ostream& os, const tuple<S, T, U>& t){ return os << get<0>(t) << ' ' << get<1>(t) << ' ' << get<2>(t); } ///----- constants constexpr ll INFLL = 1'000'000'000'000'000'020ll; constexpr ll INF = 1'000'000'009; constexpr double PI = 3.14'159'265'358'979'323'846; constexpr double EPS = 1e-12; } using namespace utils; class solver{ istream& is; ostream& os; public: solver(istream& I, ostream& O) :is(I), os(O) {} int N; vector<int> A; const int amax = 5001; bool input() { N = 0; is >> N; A.resize(N); is >> A; return !!is; } bool skip(){ // 0 \in A if(*min_element(A.begin(), A.end()) == 0){ os << "Yes\n"; return true; } // XOR A =/= 0 if(accumulate(ALL(A), 0, [](int a, int b) { return a ^ b;})){ os << "No\n"; return true; } return false; } bool check(const vector<int>& v) const { // S[i][j]:: i以下でjを作れるか? 0: NG, 1: OK (ALL), 2: OK (PARTIAL) auto S = VEC(amax, 0); int f = 0; for (int i = 1; i < amax; ++i) { if(v[i] == 0) continue; auto nx = VEC(amax, 0); for (int j = 0; j < amax; ++j) { nx[j] = S[j] > 0 ? 2 : 0; if((i^j) <= amax){ CHMAX(nx[j], S[i^j]); } } // end j nx[i] = (f > 0) + 1; f++; S = std::move(nx); } // end i return S[0] == 2; } void run(); }; void solver::run(){ if(!input()) return; if(skip()) return; // XOR A == 0 vector<int> bn(amax); for (auto &&a: A) { bn[a]++; if(bn[a] >= 2){ os << "Yes\n"; return; } } // end a os << (check(bn) ? "Yes\n" : "No\n"); } int main(int argc, char *argv[]) { cin.tie(nullptr); ios::sync_with_stdio(false); cout << setprecision(16) << scientific; #ifdef XELMH string test_cases = "test_b.txt"; cerr << test_cases << " -->" << endl; auto fs = fstream(test_cases, fstream::in); int loop = 0; while(fs) { loop++; cout << '#' << loop << "#------\n"; solver(fs, cout).run(); } if(loop <= 1) { cout << "===" << endl; while(cin) solver(cin, cout).run(); } #else solver(cin, cout).run(); #endif return 0; }