結果
問題 | No.2672 Subset Xor Sum |
ユーザー | Aoxiang Cui |
提出日時 | 2024-03-15 22:41:23 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 74 ms / 2,000 ms |
コード長 | 4,788 bytes |
コンパイル時間 | 1,278 ms |
コンパイル使用メモリ | 135,296 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-09-30 04:23:50 |
合計ジャッジ時間 | 3,746 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 1 ms
6,820 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 1 ms
6,820 KB |
testcase_05 | AC | 1 ms
6,820 KB |
testcase_06 | AC | 2 ms
6,820 KB |
testcase_07 | AC | 1 ms
6,820 KB |
testcase_08 | AC | 1 ms
6,820 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 1 ms
6,816 KB |
testcase_11 | AC | 1 ms
6,820 KB |
testcase_12 | AC | 1 ms
6,816 KB |
testcase_13 | AC | 2 ms
6,816 KB |
testcase_14 | AC | 2 ms
6,820 KB |
testcase_15 | AC | 1 ms
6,816 KB |
testcase_16 | AC | 2 ms
6,820 KB |
testcase_17 | AC | 1 ms
6,820 KB |
testcase_18 | AC | 2 ms
6,816 KB |
testcase_19 | AC | 1 ms
6,820 KB |
testcase_20 | AC | 2 ms
6,816 KB |
testcase_21 | AC | 1 ms
6,820 KB |
testcase_22 | AC | 2 ms
6,816 KB |
testcase_23 | AC | 1 ms
6,820 KB |
testcase_24 | AC | 1 ms
6,816 KB |
testcase_25 | AC | 2 ms
6,816 KB |
testcase_26 | AC | 2 ms
6,816 KB |
testcase_27 | AC | 2 ms
6,816 KB |
testcase_28 | AC | 1 ms
6,816 KB |
testcase_29 | AC | 1 ms
6,820 KB |
testcase_30 | AC | 1 ms
6,816 KB |
testcase_31 | AC | 66 ms
6,816 KB |
testcase_32 | AC | 27 ms
6,816 KB |
testcase_33 | AC | 23 ms
6,816 KB |
testcase_34 | AC | 47 ms
6,816 KB |
testcase_35 | AC | 64 ms
6,816 KB |
testcase_36 | AC | 53 ms
6,820 KB |
testcase_37 | AC | 63 ms
6,816 KB |
testcase_38 | AC | 31 ms
6,816 KB |
testcase_39 | AC | 72 ms
6,816 KB |
testcase_40 | AC | 14 ms
6,816 KB |
testcase_41 | AC | 42 ms
6,820 KB |
testcase_42 | AC | 64 ms
6,820 KB |
testcase_43 | AC | 51 ms
6,816 KB |
testcase_44 | AC | 74 ms
6,816 KB |
testcase_45 | AC | 49 ms
6,820 KB |
testcase_46 | AC | 2 ms
6,816 KB |
testcase_47 | AC | 2 ms
6,820 KB |
testcase_48 | AC | 2 ms
6,816 KB |
testcase_49 | AC | 2 ms
6,816 KB |
testcase_50 | AC | 3 ms
6,816 KB |
testcase_51 | AC | 2 ms
6,816 KB |
testcase_52 | AC | 2 ms
6,816 KB |
testcase_53 | AC | 2 ms
6,816 KB |
testcase_54 | AC | 2 ms
6,816 KB |
testcase_55 | AC | 2 ms
6,816 KB |
testcase_56 | AC | 2 ms
6,820 KB |
testcase_57 | AC | 2 ms
6,816 KB |
testcase_58 | AC | 2 ms
6,816 KB |
testcase_59 | AC | 2 ms
6,816 KB |
testcase_60 | AC | 2 ms
6,816 KB |
testcase_61 | AC | 2 ms
6,824 KB |
testcase_62 | AC | 1 ms
6,816 KB |
testcase_63 | AC | 2 ms
6,820 KB |
testcase_64 | AC | 2 ms
6,816 KB |
testcase_65 | AC | 2 ms
6,816 KB |
testcase_66 | AC | 1 ms
6,816 KB |
testcase_67 | AC | 2 ms
6,820 KB |
ソースコード
// #define LOCAL #define _USE_MATH_DEFINES #include <array> #include <cassert> #include <cstdio> #include <cstring> #include <iostream> #include <iomanip> #include <string> #include <sstream> #include <vector> #include <queue> #include <stack> #include <list> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <algorithm> #include <complex> #include <cmath> #include <numeric> #include <bitset> #include <functional> #include <random> #include <ctime> using namespace std; template <typename A, typename B> ostream& operator <<(ostream& out, const pair<A, B>& a) { out << "(" << a.first << "," << a.second << ")"; return out; } template <typename T, size_t N> ostream& operator <<(ostream& out, const array<T, N>& a) { out << "["; bool first = true; for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "]"; return out; } template <typename T> ostream& operator <<(ostream& out, const vector<T>& a) { out << "["; bool first = true; for (auto v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "]"; return out; } template <typename T, class Cmp> ostream& operator <<(ostream& out, const set<T, Cmp>& a) { out << "{"; bool first = true; for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "}"; return out; } template <typename T, class Cmp> ostream& operator <<(ostream& out, const multiset<T, Cmp>& a) { out << "{"; bool first = true; for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "}"; return out; } template <typename U, typename T, class Cmp> ostream& operator <<(ostream& out, const map<U, T, Cmp>& a) { out << "{"; bool first = true; for (auto& p : a) { out << (first ? "" : ", "); out << p.first << ":" << p.second; first = 0;} out << "}"; return out; } #ifdef LOCAL #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) #else #define trace(...) 42 #endif template <typename Arg1> void __f(const char* name, Arg1&& arg1){ cerr << name << ": " << arg1 << endl; } template <typename Arg1, typename... Args> void __f(const char* names, Arg1&& arg1, Args&&... args){ const char* comma = strchr(names + 1, ','); cerr.write(names, comma - names) << ": " << arg1 << " |"; __f(comma + 1, args...); } template <class T> auto vect(const T& v, int n) { return vector<T>(n, v); } template <class T, class... D> auto vect(const T& v, int n, D... m) { return vector<decltype(vect(v, m...))>(n, vect(v, m...)); } using int64 = long long; using int128 = __int128_t; using ii = pair<int, int>; #define SZ(x) (int)((x).size()) template <typename T> static constexpr T inf = numeric_limits<T>::max() / 2; const int MOD = 1e9 + 7; // const int MOD = 998244353; mt19937_64 mrand(random_device{}()); int64 rnd(int64 x) { return mrand() % x; } constexpr inline int lg2(int64 x) { return x == 0 ? -1 : sizeof(int64) * 8 - 1 - __builtin_clzll(x); } constexpr inline int64 p2ceil(int64 x) { return 1LL << (lg2(x - 1) + 1); } template <class T> void out(const vector<T>& a) { for (int i = 0; i < SZ(a); ++i) cout << a[i] << " \n"[i + 1 == SZ(a)]; } template <class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; } template <class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; } template <class T> void dedup(vector<T>& v) { sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end()); } inline void add_mod(int& x, int y) { x += y; if (x >= MOD) x -= MOD; } inline void sub_mod(int& x, int y) { x += MOD - y; if (x >= MOD) x -= MOD; } inline int mod(int x) { return x >= MOD ? x - MOD : x; } struct fast_ios { fast_ios() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); }; } fast_ios_; template<size_t N> int find_first(const bitset<N>& x) { #ifdef LOCAL int k; for (k = 0; k < N && !x[k]; ++k); return k; #else return x._Find_first(); #endif } const int K = 13; void add(vector<bitset<K>>& a, bitset<K> x) { for (int i = 0; i < a.size(); ++i) { auto& v = a[i]; int kx = find_first(x); int kv = find_first(v); if (kx <= kv) { if (v[kx]) { x ^= v; } else { v ^= x; x ^= v; } } } if (x != 0) a.push_back(x); } bool contain(const vector<bitset<K>>& a, bitset<K> x) { int i, j; for (i = 0; i < K && !x[i]; ++i); for (auto& v : a) { for (j = 0; j < K && !v[j]; ++j); if (j < i) continue; if (j > i) return false; x = x ^ v; for (; i < K && !x[i]; ++i); if (i == K) break; } return i == K; } int main() { int n; cin >> n; vector<bitset<K>> a; int sum = 0; for (int i = 0; i < n; ++i) { int x; cin >> x; sum ^= x; add(a, x); } cout << (sum == 0 && SZ(a) < n - 1 ? "Yes" : "No") << '\n'; return 0; }