結果

問題 No.2672 Subset Xor Sum
ユーザー Aoxiang CuiAoxiang Cui
提出日時 2024-03-15 22:38:01
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 4,488 bytes
コンパイル時間 1,587 ms
コンパイル使用メモリ 134,152 KB
実行使用メモリ 6,824 KB
最終ジャッジ日時 2024-09-30 02:04:53
合計ジャッジ時間 4,470 ms
ジャッジサーバーID
(参考情報)
judge3 / judge2
このコードへのチャレンジ
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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
6,820 KB
testcase_01 AC 3 ms
6,816 KB
testcase_02 AC 2 ms
6,820 KB
testcase_03 AC 2 ms
6,816 KB
testcase_04 AC 2 ms
6,816 KB
testcase_05 AC 2 ms
6,816 KB
testcase_06 AC 2 ms
6,820 KB
testcase_07 AC 2 ms
6,816 KB
testcase_08 AC 2 ms
6,816 KB
testcase_09 AC 2 ms
6,820 KB
testcase_10 AC 2 ms
6,820 KB
testcase_11 AC 2 ms
6,820 KB
testcase_12 AC 2 ms
6,820 KB
testcase_13 AC 2 ms
6,820 KB
testcase_14 AC 2 ms
6,816 KB
testcase_15 AC 2 ms
6,816 KB
testcase_16 AC 2 ms
6,820 KB
testcase_17 AC 2 ms
6,816 KB
testcase_18 AC 2 ms
6,820 KB
testcase_19 AC 2 ms
6,816 KB
testcase_20 AC 2 ms
6,816 KB
testcase_21 AC 2 ms
6,816 KB
testcase_22 AC 2 ms
6,816 KB
testcase_23 AC 2 ms
6,820 KB
testcase_24 AC 2 ms
6,820 KB
testcase_25 AC 2 ms
6,816 KB
testcase_26 AC 2 ms
6,820 KB
testcase_27 AC 2 ms
6,820 KB
testcase_28 AC 2 ms
6,816 KB
testcase_29 AC 2 ms
6,816 KB
testcase_30 AC 2 ms
6,816 KB
testcase_31 AC 81 ms
6,820 KB
testcase_32 AC 34 ms
6,820 KB
testcase_33 AC 28 ms
6,816 KB
testcase_34 AC 58 ms
6,820 KB
testcase_35 AC 79 ms
6,816 KB
testcase_36 AC 65 ms
6,820 KB
testcase_37 AC 75 ms
6,816 KB
testcase_38 AC 39 ms
6,816 KB
testcase_39 AC 88 ms
6,816 KB
testcase_40 AC 16 ms
6,816 KB
testcase_41 WA -
testcase_42 WA -
testcase_43 WA -
testcase_44 WA -
testcase_45 WA -
testcase_46 WA -
testcase_47 AC 3 ms
6,816 KB
testcase_48 WA -
testcase_49 WA -
testcase_50 WA -
testcase_51 AC 3 ms
6,816 KB
testcase_52 AC 3 ms
6,820 KB
testcase_53 AC 3 ms
6,820 KB
testcase_54 AC 3 ms
6,820 KB
testcase_55 AC 3 ms
6,820 KB
testcase_56 WA -
testcase_57 AC 3 ms
6,820 KB
testcase_58 AC 2 ms
6,820 KB
testcase_59 WA -
testcase_60 WA -
testcase_61 WA -
testcase_62 AC 2 ms
6,820 KB
testcase_63 AC 2 ms
6,816 KB
testcase_64 AC 2 ms
6,820 KB
testcase_65 AC 2 ms
6,820 KB
testcase_66 AC 2 ms
6,820 KB
testcase_67 AC 2 ms
6,816 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

// #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);
}

int main() {
  int n;
  cin >> n;
  vector<bitset<K>> a;
  bool found = 0;
  for (int i = 0; i < n; ++i) {
    int x;
    cin >> x;
    add(a, x);
    if (x == 0) found = 1;
  }
  cout << (found || SZ(a) < n - 1 ? "Yes" : "No") << '\n';

  return 0;
}
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