#756676 (C++17) No.5005 3-SAT

提出ソース

結果

問題	No.5005 3-SAT
ユーザー	NyaanNyaan
提出日時	2022-04-29 15:31:36
言語	C++17 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	1,954 ms / 2,000 ms
コード長	17,700 bytes
コンパイル時間	2,797 ms
実行使用メモリ	7,440 KB
スコア	103,642
最終ジャッジ日時	2022-04-29 15:35:25
合計ジャッジ時間	205,013 ms
ジャッジサーバーID （参考情報）	judge11 / judge12
	純コード判定しない問題か言語

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	1,953 ms 6,952 KB
testcase_01	AC	1,954 ms 6,860 KB
testcase_02	AC	1,953 ms 5,772 KB
testcase_03	AC	1,954 ms 6,432 KB
testcase_04	AC	1,952 ms 6,012 KB
testcase_05	AC	1,953 ms 6,948 KB
testcase_06	AC	1,953 ms 6,496 KB
testcase_07	AC	1,954 ms 6,948 KB
testcase_08	AC	1,953 ms 6,944 KB
testcase_09	AC	1,952 ms 5,944 KB
testcase_10	AC	1,954 ms 6,972 KB
testcase_11	AC	1,953 ms 6,076 KB
testcase_12	AC	1,953 ms 6,952 KB
testcase_13	AC	1,953 ms 6,880 KB
testcase_14	AC	1,953 ms 6,952 KB
testcase_15	AC	1,953 ms 7,072 KB
testcase_16	AC	1,953 ms 6,668 KB
testcase_17	AC	1,954 ms 7,312 KB
testcase_18	AC	1,954 ms 6,948 KB
testcase_19	AC	1,954 ms 6,952 KB
testcase_20	AC	1,952 ms 6,316 KB
testcase_21	AC	1,954 ms 6,960 KB
testcase_22	AC	1,953 ms 7,192 KB
testcase_23	AC	1,953 ms 6,692 KB
testcase_24	AC	1,953 ms 6,124 KB
testcase_25	AC	1,952 ms 6,032 KB
testcase_26	AC	1,953 ms 6,948 KB
testcase_27	AC	1,953 ms 6,652 KB
testcase_28	AC	1,953 ms 5,840 KB
testcase_29	AC	1,954 ms 7,008 KB
testcase_30	AC	1,953 ms 6,952 KB
testcase_31	AC	1,953 ms 6,632 KB
testcase_32	AC	1,953 ms 6,024 KB
testcase_33	AC	1,953 ms 6,912 KB
testcase_34	AC	1,953 ms 6,948 KB
testcase_35	AC	1,953 ms 6,432 KB
testcase_36	AC	1,954 ms 6,244 KB
testcase_37	AC	1,953 ms 6,184 KB
testcase_38	AC	1,954 ms 5,804 KB
testcase_39	AC	1,952 ms 6,948 KB
testcase_40	AC	1,953 ms 6,952 KB
testcase_41	AC	1,953 ms 7,272 KB
testcase_42	AC	1,954 ms 6,956 KB
testcase_43	AC	1,953 ms 6,952 KB
testcase_44	AC	1,953 ms 6,952 KB
testcase_45	AC	1,953 ms 5,540 KB
testcase_46	AC	1,953 ms 6,764 KB
testcase_47	AC	1,954 ms 7,076 KB
testcase_48	AC	1,954 ms 6,424 KB
testcase_49	AC	1,953 ms 6,504 KB
testcase_50	AC	1,954 ms 6,428 KB
testcase_51	AC	1,953 ms 5,568 KB
testcase_52	AC	1,953 ms 6,264 KB
testcase_53	AC	1,953 ms 6,956 KB
testcase_54	AC	1,953 ms 6,952 KB
testcase_55	AC	1,953 ms 6,380 KB
testcase_56	AC	1,952 ms 6,016 KB
testcase_57	AC	1,953 ms 5,944 KB
testcase_58	AC	1,953 ms 5,492 KB
testcase_59	AC	1,954 ms 7,352 KB
testcase_60	AC	1,954 ms 6,992 KB
testcase_61	AC	1,953 ms 6,948 KB
testcase_62	AC	1,953 ms 6,792 KB
testcase_63	AC	1,954 ms 7,164 KB
testcase_64	AC	1,953 ms 6,948 KB
testcase_65	AC	1,954 ms 5,988 KB
testcase_66	AC	1,953 ms 5,716 KB
testcase_67	AC	1,953 ms 6,948 KB
testcase_68	AC	1,953 ms 6,948 KB
testcase_69	AC	1,954 ms 6,884 KB
testcase_70	AC	1,953 ms 7,192 KB
testcase_71	AC	1,954 ms 5,752 KB
testcase_72	AC	1,953 ms 6,948 KB
testcase_73	AC	1,953 ms 6,432 KB
testcase_74	AC	1,953 ms 5,824 KB
testcase_75	AC	1,953 ms 6,952 KB
testcase_76	AC	1,953 ms 6,948 KB
testcase_77	AC	1,952 ms 6,948 KB
testcase_78	AC	1,953 ms 7,068 KB
testcase_79	AC	1,952 ms 6,620 KB
testcase_80	AC	1,953 ms 6,952 KB
testcase_81	AC	1,953 ms 6,128 KB
testcase_82	AC	1,953 ms 5,828 KB
testcase_83	AC	1,953 ms 6,752 KB
testcase_84	AC	1,954 ms 6,952 KB
testcase_85	AC	1,953 ms 7,440 KB
testcase_86	AC	1,953 ms 6,948 KB
testcase_87	AC	1,953 ms 6,804 KB
testcase_88	AC	1,953 ms 6,828 KB
testcase_89	AC	1,954 ms 6,592 KB
testcase_90	AC	1,953 ms 5,944 KB
testcase_91	AC	1,952 ms 6,704 KB
testcase_92	AC	1,953 ms 6,952 KB
testcase_93	AC	1,953 ms 7,100 KB
testcase_94	AC	1,953 ms 6,716 KB
testcase_95	AC	1,954 ms 7,360 KB
testcase_96	AC	1,954 ms 7,224 KB
testcase_97	AC	1,952 ms 6,432 KB
testcase_98	AC	1,952 ms 6,264 KB
testcase_99	AC	1,953 ms 6,936 KB

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ソースコード

raw source code

/**
 *  date : 2022-04-29 15:31:27
 */

#define NDEBUG
using namespace std;

// intrinstic
#include <immintrin.h>

#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <cctype>
#include <cfenv>
#include <cfloat>
#include <chrono>
#include <cinttypes>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdarg>
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <deque>
#include <fstream>
#include <functional>
#include <initializer_list>
#include <iomanip>
#include <ios>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <streambuf>
#include <string>
#include <tuple>
#include <type_traits>
#include <typeinfo>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>

// utility
namespace Nyaan {
using ll = long long;
using i64 = long long;
using u64 = unsigned long long;
using i128 = __int128_t;
using u128 = __uint128_t;

template <typename T>
using V = vector<T>;
template <typename T>
using VV = vector<vector<T>>;
using vi = vector<int>;
using vl = vector<long long>;
using vd = V<double>;
using vs = V<string>;
using vvi = vector<vector<int>>;
using vvl = vector<vector<long long>>;

template <typename T, typename U>
struct P : pair<T, U> {
  template <typename... Args>
  P(Args... args) : pair<T, U>(args...) {}

  using pair<T, U>::first;
  using pair<T, U>::second;

  P &operator+=(const P &r) {
    first += r.first;
    second += r.second;
    return *this;
  }
  P &operator-=(const P &r) {
    first -= r.first;
    second -= r.second;
    return *this;
  }
  P &operator*=(const P &r) {
    first *= r.first;
    second *= r.second;
    return *this;
  }
  template <typename S>
  P &operator*=(const S &r) {
    first *= r, second *= r;
    return *this;
  }
  P operator+(const P &r) const { return P(*this) += r; }
  P operator-(const P &r) const { return P(*this) -= r; }
  P operator*(const P &r) const { return P(*this) *= r; }
  template <typename S>
  P operator*(const S &r) const {
    return P(*this) *= r;
  }
  P operator-() const { return P{-first, -second}; }
};

using pl = P<ll, ll>;
using pi = P<int, int>;
using vp = V<pl>;

constexpr int inf = 1001001001;
constexpr long long infLL = 4004004004004004004LL;

template <typename T>
int sz(const T &t) {
  return t.size();
}

template <typename T, typename U>
inline bool amin(T &x, U y) {
  return (y < x) ? (x = y, true) : false;
}
template <typename T, typename U>
inline bool amax(T &x, U y) {
  return (x < y) ? (x = y, true) : false;
}

template <typename T>
inline T Max(const vector<T> &v) {
  return *max_element(begin(v), end(v));
}
template <typename T>
inline T Min(const vector<T> &v) {
  return *min_element(begin(v), end(v));
}
template <typename T>
inline long long Sum(const vector<T> &v) {
  return accumulate(begin(v), end(v), 0LL);
}

template <typename T>
int lb(const vector<T> &v, const T &a) {
  return lower_bound(begin(v), end(v), a) - begin(v);
}
template <typename T>
int ub(const vector<T> &v, const T &a) {
  return upper_bound(begin(v), end(v), a) - begin(v);
}

constexpr long long TEN(int n) {
  long long ret = 1, x = 10;
  for (; n; x *= x, n >>= 1) ret *= (n & 1 ? x : 1);
  return ret;
}

template <typename T, typename U>
pair<T, U> mkp(const T &t, const U &u) {
  return make_pair(t, u);
}

template <typename T>
vector<T> mkrui(const vector<T> &v, bool rev = false) {
  vector<T> ret(v.size() + 1);
  if (rev) {
    for (int i = int(v.size()) - 1; i >= 0; i--) ret[i] = v[i] + ret[i + 1];
  } else {
    for (int i = 0; i < int(v.size()); i++) ret[i + 1] = ret[i] + v[i];
  }
  return ret;
};

template <typename T>
vector<T> mkuni(const vector<T> &v) {
  vector<T> ret(v);
  sort(ret.begin(), ret.end());
  ret.erase(unique(ret.begin(), ret.end()), ret.end());
  return ret;
}

template <typename F>
vector<int> mkord(int N,F f) {
  vector<int> ord(N);
  iota(begin(ord), end(ord), 0);
  sort(begin(ord), end(ord), f);
  return ord;
}

template <typename T>
vector<int> mkinv(vector<T> &v) {
  int max_val = *max_element(begin(v), end(v));
  vector<int> inv(max_val + 1, -1);
  for (int i = 0; i < (int)v.size(); i++) inv[v[i]] = i;
  return inv;
}

vector<int> mkiota(int n) {
  vector<int> ret(n);
  iota(begin(ret), end(ret), 0);
  return ret;
}

template <typename T>
T mkrev(const T &v) {
  T w{v};
  reverse(begin(w), end(w));
  return w;
}

template <typename T>
bool nxp(vector<T> &v) {
  return next_permutation(begin(v), end(v));
}



#define inV(T, v, n) \
  vector<T> v(n);    \
  in(v)

#define inVV(T, v, h, w)                \
  vector<vector<T>> v(h, vector<T>(w)); \
  in(v);

template <typename T>
using minpq = priority_queue<T, vector<T>, greater<T>>;

// 区間：半開区間 (ng, ok] または [ok, ng)
template <typename T, typename F>
T binary_search(T ng, T ok, const F& f) {
  if constexpr (is_integral<T>::value == true) {
    while (abs(ok - ng) > 1) {
      T x = (ok + ng) / 2;
      (f(x) ? ok : ng) = x;
    }
    return ok;
  } else {
    for (int iter = 0; iter < 60; iter++) {
      T x = (ok + ng) / 2;
      (f(x) ? ok : ng) = x;
    }
    return ok;
  }
}

// 解区間 (l, r)
template <typename T, typename F>
void ternary_search(T l, T r, const F& f, bool greater = false) {
  if constexpr (is_integral<T>::value == true) {
    while (abs(l - r) > 2) {
      T llr = (l * 2 + r * 1) / 3;
      T lrr = (l * 1 + r * 2) / 3;
      bool flag = f(llr) < f(lrr);
      if (flag != greater) {
        r = lrr;
      } else {
        l = llr;
      }
    }
    return (l + r) / 2;
  } else {
    for (int iter = 0; iter < 80; iter++) {
      T llr = (l * 2 + r * 1) / 3;
      T lrr = (l * 1 + r * 2) / 3;
      bool flag = f(llr) < f(lrr);
      if (flag != greater) {
        r = lrr;
      } else {
        l = llr;
      }
    }
    return (l + r) / 2;
  }
}

}  // namespace Nyaan

// bit operation
namespace Nyaan {
__attribute__((target("popcnt"))) inline int popcnt(const u64 &a) {
  return _mm_popcnt_u64(a);
}
inline int lsb(const u64 &a) { return a ? __builtin_ctzll(a) : 64; }
inline int ctz(const u64 &a) { return a ? __builtin_ctzll(a) : 64; }
inline int msb(const u64 &a) { return a ? 63 - __builtin_clzll(a) : -1; }
template <typename T>
inline int gbit(const T &a, int i) {
  return (a >> i) & 1;
}
template <typename T>
inline void sbit(T &a, int i, bool b) {
  if (gbit(a, i) != b) a ^= T(1) << i;
}
constexpr long long PW(int n) { return 1LL << n; }
constexpr long long MSK(int n) { return (1LL << n) - 1; }
}  // namespace Nyaan

// inout
namespace Nyaan {

template <typename T, typename U>
ostream &operator<<(ostream &os, const pair<T, U> &p) {
  os << p.first << " " << p.second;
  return os;
}
template <typename T, typename U>
istream &operator>>(istream &is, pair<T, U> &p) {
  is >> p.first >> p.second;
  return is;
}

template <typename T>
ostream &operator<<(ostream &os, const vector<T> &v) {
  int s = (int)v.size();
  for (int i = 0; i < s; i++) os << (i ? " " : "") << v[i];
  return os;
}
template <typename T>
istream &operator>>(istream &is, vector<T> &v) {
  for (auto &x : v) is >> x;
  return is;
}

istream &operator>>(istream &is, __int128_t &x) {
  string S;
  is >> S;
  x = 0;
  int flag = 0;
  for (auto &c : S) {
    if (c == '-') {
      flag = true;
      continue;
    }
    x *= 10;
    x += c - '0';
  }
  if (flag) x = -x;
  return is;
}

istream &operator>>(istream &is, __uint128_t &x) {
  string S;
  is >> S;
  x = 0;
  for (auto &c : S) {
    x *= 10;
    x += c - '0';
  }
  return is;
}

ostream &operator<<(ostream &os, __int128_t x) {
  if (x == 0) return os << 0;
  if (x < 0) os << '-', x = -x;
  string S;
  while (x) S.push_back('0' + x % 10), x /= 10;
  reverse(begin(S), end(S));
  return os << S;
}
ostream &operator<<(ostream &os, __uint128_t x) {
  if (x == 0) return os << 0;
  string S;
  while (x) S.push_back('0' + x % 10), x /= 10;
  reverse(begin(S), end(S));
  return os << S;
}

void in() {}
template <typename T, class... U>
void in(T &t, U &...u) {
  cin >> t;
  in(u...);
}

void out() { cout << "\n"; }
template <typename T, class... U, char sep = ' '>
void out(const T &t, const U &...u) {
  cout << t;
  if (sizeof...(u)) cout << sep;
  out(u...);
}

void outr() {}
template <typename T, class... U, char sep = ' '>
void outr(const T &t, const U &...u) {
  cout << t;
  outr(u...);
}

struct IoSetupNya {
  IoSetupNya() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(15);
    cerr << fixed << setprecision(7);
  }
} iosetupnya;

}  // namespace Nyaan

// debug
namespace DebugImpl {

template <typename U, typename = void>
struct is_specialize : false_type {};
template <typename U>
struct is_specialize<
    U, typename conditional<false, typename U::iterator, void>::type>
    : true_type {};
template <typename U>
struct is_specialize<
    U, typename conditional<false, decltype(U::first), void>::type>
    : true_type {};
template <typename U>
struct is_specialize<U, enable_if_t<is_integral<U>::value, void>> : true_type {
};

void dump(const char& t) { cerr << t; }

void dump(const string& t) { cerr << t; }

void dump(const bool& t) { cerr << (t ? "true" : "false"); }

void dump(__int128_t t) {
  if (t == 0) cerr << 0;
  if (t < 0) cerr << '-', t = -t;
  string S;
  while (t) S.push_back('0' + t % 10), t /= 10;
  reverse(begin(S), end(S));
  cerr << S;
}

void dump(__uint128_t t) {
  if (t == 0) cerr << 0;
  string S;
  while (t) S.push_back('0' + t % 10), t /= 10;
  reverse(begin(S), end(S));
  cerr << S;
}

template <typename U,
          enable_if_t<!is_specialize<U>::value, nullptr_t> = nullptr>
void dump(const U& t) {
  cerr << t;
}

template <typename T>
void dump(const T& t, enable_if_t<is_integral<T>::value>* = nullptr) {
  string res;
  if (t == Nyaan::inf) res = "inf";
  if constexpr (is_signed<T>::value) {
    if (t == -Nyaan::inf) res = "-inf";
  }
  if constexpr (sizeof(T) == 8) {
    if (t == Nyaan::infLL) res = "inf";
    if constexpr (is_signed<T>::value) {
      if (t == -Nyaan::infLL) res = "-inf";
    }
  }
  if (res.empty()) res = to_string(t);
  cerr << res;
}

template <typename T, typename U>
void dump(const pair<T, U>&);
template <typename T>
void dump(const pair<T*, int>&);

template <typename T>
void dump(const T& t,
          enable_if_t<!is_void<typename T::iterator>::value>* = nullptr) {
  cerr << "[ ";
  for (auto it = t.begin(); it != t.end();) {
    dump(*it);
    cerr << (++it == t.end() ? "" : ", ");
  }
  cerr << " ]";
}

template <typename T, typename U>
void dump(const pair<T, U>& t) {
  cerr << "( ";
  dump(t.first);
  cerr << ", ";
  dump(t.second);
  cerr << " )";
}

template <typename T>
void dump(const pair<T*, int>& t) {
  cerr << "[ ";
  for (int i = 0; i < t.second; i++) {
    dump(t.first[i]);
    cerr << (i == t.second - 1 ? "" : ", ");
  }
  cerr << " ]";
}

void trace() { cerr << endl; }
template <typename Head, typename... Tail>
void trace(Head&& head, Tail&&... tail) {
  cerr << " ";
  dump(head);
  if (sizeof...(tail) != 0) cerr << ",";
  trace(forward<Tail>(tail)...);
}

}  // namespace DebugImpl

#ifdef NyaanDebug
#define trc(...)                            \
  do {                                      \
    cerr << "## " << #__VA_ARGS__ << " = "; \
    DebugImpl::trace(__VA_ARGS__);          \
  } while (0)
#else
#define trc(...) (void(0))
#endif

// macro
#define each(x, v) for (auto&& x : v)
#define each2(x, y, v) for (auto&& [x, y] : v)
#define all(v) (v).begin(), (v).end()
#define rep(i, N) for (long long i = 0; i < (long long)(N); i++)
#define repr(i, N) for (long long i = (long long)(N)-1; i >= 0; i--)
#define rep1(i, N) for (long long i = 1; i <= (long long)(N); i++)
#define repr1(i, N) for (long long i = (N); (long long)(i) > 0; i--)
#define reg(i, a, b) for (long long i = (a); i < (b); i++)
#define regr(i, a, b) for (long long i = (b)-1; i >= (a); i--)
#define fi first
#define se second
#define ini(...)   \
  int __VA_ARGS__; \
  in(__VA_ARGS__)
#define inl(...)         \
  long long __VA_ARGS__; \
  in(__VA_ARGS__)
#define ins(...)      \
  string __VA_ARGS__; \
  in(__VA_ARGS__)
#define in2(s, t)                           \
  for (int i = 0; i < (int)s.size(); i++) { \
    in(s[i], t[i]);                         \
  }
#define in3(s, t, u)                        \
  for (int i = 0; i < (int)s.size(); i++) { \
    in(s[i], t[i], u[i]);                   \
  }
#define in4(s, t, u, v)                     \
  for (int i = 0; i < (int)s.size(); i++) { \
    in(s[i], t[i], u[i], v[i]);             \
  }
#define die(...)             \
  do {                       \
    Nyaan::out(__VA_ARGS__); \
    return;                  \
  } while (0)

namespace Nyaan {
void solve();
}
int main() { Nyaan::solve(); }

//


struct Timer {
  chrono::high_resolution_clock::time_point st;

  Timer() { reset(); }

  void reset() { st = chrono::high_resolution_clock::now(); }

  chrono::milliseconds::rep elapsed() {
    auto ed = chrono::high_resolution_clock::now();
    return chrono::duration_cast<chrono::milliseconds>(ed - st).count();
  }
};

Timer timer;
constexpr int limit = 1950;

// https://github.com/not522/CompetitiveProgramming/blob/master/include/math/sat.hpp
namespace not_522 {
class SatSolver {
 private:
  vector<vector<pair<int, bool>>> cl;
  map<pair<int, bool>, vector<int>> w;
  vector<int> reason, level, que, activity;
  int n, qi;

  void enqueue(int v, bool a, int r = -1) {
    assigns[v] = a;
    reason[v] = r;
    level[v] = (que.empty() ? 1 : level[que.back()]);
    que.emplace_back(v);
  }

  void add(const vector<pair<int, bool>> &clause) {
    for (auto l : clause) {
      w[l].emplace_back(cl.size());
    }
    cl.emplace_back(clause);
  }

  void analyze(int confl) {
    int i = que.size(), lv = 1;
    unordered_set<int> used;
    vector<pair<int, bool>> learnt;
    for (int cnt = 0; cnt || used.empty(); --cnt) {
      for (auto q : cl[confl]) {
        if (!used.emplace(q.first).second) {
          continue;
        }
        activity[q.first] += 1e5;
        if (level[q.first] == level[que.back()]) {
          ++cnt;
        } else {
          learnt.emplace_back(q);
          lv = max(lv, level[q.first]);
        }
      }
      while (!used.count(que[--i])) {
        ;
      }
      confl = reason[que[i]];
    }
    learnt.emplace_back(que[i], !assigns[que[i]]);
    for (; !que.empty() && level[que.back()] > lv; que.pop_back()) {
      level[que.back()] = 0;
    }
    qi = que.size();
    enqueue(learnt.back().first, learnt.back().second, cl.size());
    add(learnt);
  }

  int propagate() {
    for (; qi < int(que.size()); ++qi) {
      for (int cr : w[make_pair(que[qi], !assigns[que[qi]])]) {
        int cnt = 0;
        for (auto &lit : cl[cr]) {
          if (level[lit.first] == 0) {
            activity[lit.first] += 1e3;
            swap(lit, cl[cr][0]);
            ++cnt;
          } else if (assigns[lit.first] == lit.second) {
            swap(lit, cl[cr][0]);
            cnt = -1;
            break;
          }
        }
        if (cnt == 0) {
          return cr;
        }
        if (cnt == 1) {
          enqueue(cl[cr][0].first, cl[cr][0].second, cr);
        }
      }
    }
    return -1;
  }

 public:
  vector<bool> assigns;

  SatSolver(int _n, const vector<vector<pair<int, bool>>> &clauses)
      : reason(_n), level(_n), activity(_n), n(_n), qi(0), assigns(_n) {
    for (const auto &clause : clauses) {
      add(clause);
    }
  }

  bool solve() {
    while (true) {
      if (timer.elapsed() > limit) return false;
      int confl = propagate();
      if (confl != -1) {
        if (level[que.back()] == 1u) {
          return false;
        }
        for (auto &a : activity) {
          a /= 1.05;
        }
        analyze(confl);
      } else {
        int k = -1;
        for (int i = 0; i < n; ++i) {
          if (level[i] == 0 && (k == -1 || activity[k] < activity[i])) {
            k = i;
          }
        }
        if (k == -1) {
          return true;
        }
        enqueue(k, assigns[k]);
        ++level[k];
      }
    }
  }
};
}  // namespace not_522

using namespace Nyaan;

void q() {
  timer.reset();
  int N = 2048;
  int M = 256;
  // int N = 5, M = 6;
  vi a(N), b(N), c(N), p(N), q(N), r(N);
  rep(i, N) in(a[i], b[i], c[i], p[i], q[i], r[i]);

  string ans(M, '0');
  int best = 0;

  int ok = 0, ng = 1;
  using Clause = vector<pair<int, bool>>;
  while (timer.elapsed() < limit) {
    int med;
    if (ok == 0 and ng != N) {
      med = ng;
    } else {
      if (ok + 1 == ng) break;
      med = (ok + ng) / 2;
    }
    V<Clause> clauses;
    rep(i, med) {
      Clause cl;
      cl.push_back(mkp(a[i], p[i]));
      cl.push_back(mkp(b[i], q[i]));
      cl.push_back(mkp(c[i], r[i]));
      clauses.push_back(cl);
    }
    not_522::SatSolver sat(M, clauses);
    bool f = sat.solve();
    // trc(med, f);
    // trc(sat.assigns);
    if (ok == 0 and ng != N) {
      if (f) {
        if (ng >= 900) {
          ng += 15;
        }
        else if (ng >= 512) {
          ng += 100;
        }
        else {
          ng *= 2;
        }
      } else {
        ok = ng / 2;
      }
    } else {
      (f ? ok : ng) = med;
    }
    if (f and amax(best, med)) {
      rep(i, M) ans[i] = (sat.assigns[i] ? '1' : '0');
    }
    cerr << med << " " << f << " " << timer.elapsed() << endl;
  }
  reverse(all(ans));
  out(ans);
}

void Nyaan::solve() {
  int T = 1;

  // in(T);

  while (T--) q();
}

yukicoder

結果

テストケース

ソースコード