結果
問題 | No.2527 H and W |
ユーザー | 👑 seekworser |
提出日時 | 2023-02-28 22:37:43 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 12,636 bytes |
コンパイル時間 | 3,319 ms |
コンパイル使用メモリ | 270,200 KB |
実行使用メモリ | 11,296 KB |
最終ジャッジ日時 | 2024-09-23 07:23:45 |
合計ジャッジ時間 | 6,544 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 | RE | - |
testcase_01 | RE | - |
testcase_02 | WA | - |
testcase_03 | RE | - |
testcase_04 | WA | - |
testcase_05 | AC | 31 ms
11,084 KB |
testcase_06 | WA | - |
testcase_07 | RE | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | RE | - |
testcase_11 | AC | 32 ms
11,132 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | AC | 32 ms
11,156 KB |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
ソースコード
#line 2 "/home/seekworser/.cpp_lib/competitive_library/competitive/std/std.hpp" #include <bits/stdc++.h> #ifndef LOCAL_TEST #pragma GCC target ("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #endif // LOCAL_TEST using namespace std; // 型名の短縮 using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>; using vc = vector<char>; using vvc = vector<vc>; using vvvc = vector<vvc>; using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>; using vs = vector<string>; using vvs = vector<vector<string>>; using vvvs = vector<vector<vector<string>>>; template <class T> using priority_queue_min = priority_queue<T, vector<T>, greater<T>>; // 定数の定義 constexpr double PI = 3.14159265358979323; constexpr int INF = 100100111; constexpr ll INFL = 3300300300300300491LL; float EPS = 1e-8; double EPSL = 1e-16; bool eq(const double x, const double y) { return abs(x - y) < EPSL; } bool eq(const float x, const float y) { return abs(x - y) < EPS; } template<typename T> bool eq(const T x, const T y) { return x == y; } template<typename T> bool neq(const T x, const T y) { return !(eq(x, y)); } template<typename T> bool ge(const T x, const T y) { return eq(x, y) || (x > y); } template<typename T> bool le(const T x, const T y) { return eq(x, y) || (x < y); } template<typename T> bool gt(const T x, const T y) { return !(le(x, y)); } template<typename T> bool lt(const T x, const T y) { return !(ge(x, y)); } constexpr int MODINT998244353 = 998244353; constexpr int MODINT1000000007 = 1000000007; // 入出力高速化 struct Nyan { Nyan() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(18); } } nyan; // 汎用マクロの定義 #define all(a) (a).begin(), (a).end() #define sz(x) ((int)(x).size()) #define rep(i, n) for(ll i = 0, i##_len = ll(n); i < i##_len; ++i) // 0 から n-1 まで昇順 #define repi(i, s, t) for(ll i = ll(s), i##_end = ll(t); i < i##_end; ++i) // s から t まで昇順 #define repis(i, s, t, step) for(ll i = ll(s), i##_end = ll(t); i < i##_end; i+=step) // s から t まで stepずつ #define repir(i, s, t, step) for(ll i = ll(s), i##_end = ll(t); i > i##_end; i+=step) // s から t まで stepずつ #define repe(a, v) for(auto& a : (v)) // v の全要素(変更可能) #define smod(n, m) ((((n) % (m)) + (m)) % (m)) // 非負mod #define sdiv(n, m) (((n) - smod(n, m)) / (m)) // 非負div #define uniq(a) {sort(all(a)); (a).erase(unique(all(a)), (a).end());} // 重複除去 void Yes(bool b) { cout << (b ? "Yes\n" : "No\n"); return; }; void YES(bool b) { cout << (b ? "YES\n" : "NO\n"); return; }; template<typename T, size_t N> T max(array<T, N>& a) { return *max_element(all(a)); }; template<typename T, size_t N> T min(array<T, N>& a) { return *min_element(all(a)); }; template<typename T> T max(vector<T>& a) { return *max_element(all(a)); }; template<typename T> T min(vector<T>& a) { return *min_element(all(a)); }; template<typename T> T sum(vector<T>& a, T zero = T(0)) { T rev = zero; rep(i, sz(a)) rev += a[i]; return rev; }; // modでのpow ll powm(ll a, ll n, ll mod=INFL) { ll res = 1; while (n > 0) { if (n & 1) res = (res * a) % mod; if (n > 1) a = (a * a) % mod; n >>= 1; } return res; } // 整数Sqrt ll sqrtll(ll x) { assert(x >= 0); ll hi(x), lo(0); while (hi != lo) { ll y = (hi + lo + 1) / 2; if (y <= x/y) lo = y; else hi = y - 1; } return lo; } template <class T> inline bool chmax(T& M, const T& x) { if (M < x) { M = x; return true; } return false; } // 最大値を更新(更新されたら true を返す) template <class T> inline bool chmin(T& m, const T& x) { if (m > x) { m = x; return true; } return false; } // 最小値を更新(更新されたら true を返す) int digit(ll x, int d=10) { int rev=0; while (x > 0) { rev++; x /= d;}; return rev; } // xのd進数桁数 /** * @brief std.hpp * @docs docs/std/std.md */ #line 3 "/home/seekworser/.cpp_lib/competitive_library/competitive/graph/graph.hpp" template <class Cost> struct Graph{ public: struct Edge { int to; Cost cost; Edge() {}; Edge(int _to, Cost _cost) : to(_to), cost(_cost) {}; }; struct AdjacencyListRange{ using iterator = typename std::vector<Edge>::const_iterator; iterator begi, endi; iterator begin() const { return begi; } iterator end() const { return endi; } int size() const { return (int)distance(begi, endi); } const Edge& operator[](int i) const { return begi[i]; } }; private: public: vector<Edge> E; vector<int> I; int n; Graph() : n(0) {} Graph(int _n) : n(_n) {} Graph(int _n, const vector<int>& from, vector<int>& to, vector<Cost>& cost, bool rev = false) : n(_n) { vector<int> buf(n+1, 0); for(int i=0; i<(int)from.size(); i++){ ++buf[from[i]]; if (rev) ++buf[to[i]]; } for(int i=1; i<=_n; i++) buf[i] += buf[i-1]; E.resize(buf[n]); for(int i=(int)from.size()-1; i>=0; i--){ int u = from[i]; int v = to[i]; Cost c = cost[i]; E[--buf[u]] = Edge(v, c); if(rev) E[--buf[v]] = Edge(u, c); } I = move(buf); } AdjacencyListRange operator[](int u) const { return AdjacencyListRange{ E.begin() + I[u], E.begin() + I[u+1] }; } int num_vertices() const { return n; } int size() const { return num_vertices(); } int num_edges() const { return E.size(); } // Graph reversed_edges() const { // Graph res; // int _n = res.n = n; // std::vector<int> buf(n+1, 0); // for(int v : E) ++buf[v]; // for(int i=1; i<=n; i++) buf[i] += buf[i-1]; // res.E.resize(buf[n]); // for(int u=0; u<n; u++) for(int v : operator[](u)) res.E[--buf[v]] = u; // res.I = std::move(buf); // return res; // } }; template <class T> ostream& operator<<(ostream& os, Graph<T> g) { bool first = true; rep(i, g.n) repe(e, g[i]) { if (first) first = false; else os << endl; os << i << "->" << e.to << ": " << e.cost; } return os; } /** * @brief graph.hpp * @docs docs/graph/graph.md */ #line 3 "/home/seekworser/.cpp_lib/competitive_library/competitive/math/bit.hpp" namespace bit{ bool lb(ll x) { return (x & 1); } bool get(ll x, int n) { return ((x >> n) & 1); } ll update(ll x, int n, bool b) { return (x & ~(1LL << n)) + (b << n); } ll lsb(ll x) { return -x & x; } int digit(ll x) { int rev=0; while(x) { rev++; x >>= 1; } return rev; } ll msb(ll x) { if (x==0) return 0; return 1LL << (digit(x) - 1); } int lsbd(ll x) {return digit(lsb(x)); } int count(ll x) { int rev=0; while(x) { if (lb(x)) rev++; x >>= 1; } return rev; } string to_string(ll x, bool rev=true) { stringstream ss; while (x) { ss << lb(x); x >>= 1;} string s(ss.str()); if (rev) reverse(all(s)); return s; } } /** * @brief bit.hpp * @docs docs/math/bit.md */ #line 3 "/home/seekworser/.cpp_lib/competitive_library/competitive/std/io.hpp" // 演算子オーバーロード(プロトタイプ宣言) template <class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p); template <class T> inline istream& operator>>(istream& is, vector<T>& v); template <class T, class U> inline ostream& operator<<(ostream& os, const pair<T, U>& p); template <class T> inline ostream& operator<<(ostream& os, const vector<T>& v); template <typename T, typename S> ostream &operator<<(ostream &os, const map<T, S> &mp); template <typename T> ostream &operator<<(ostream &os, const set<T> &st); template <typename T> ostream &operator<<(ostream &os, const multiset<T> &st); template <typename T> ostream &operator<<(ostream &os, queue<T> q); template <typename T> ostream &operator<<(ostream &os, deque<T> q); template <typename T> ostream &operator<<(ostream &os, stack<T> st); template <class T, class Container, class Compare> ostream &operator<<(ostream &os, priority_queue<T, Container, Compare> pq); // 演算子オーバーロード template <class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; } template <class T> inline istream& operator>>(istream& is, vector<T>& v) { repe(x, v) is >> x; return is; } template <class T, class U> inline ostream& operator<<(ostream& os, const pair<T, U>& p) { os << p.first << " " << p.second; return os; } template <class T> inline ostream& operator<<(ostream& os, const vector<T>& v) { rep(i, sz(v)) { os << v.at(i); if (i != sz(v) - 1) os << " "; } return os; } template <typename T, typename S> ostream &operator<<(ostream &os, const map<T, S> &mp) { for (auto &[key, val] : mp) { os << key << ":" << val << " "; } return os; } template <typename T> ostream &operator<<(ostream &os, const set<T> &st) { auto itr = st.begin(); for (int i = 0; i < (int)st.size(); i++) { os << *itr << (i + 1 != (int)st.size() ? " " : ""); itr++; } return os; } template <typename T> ostream &operator<<(ostream &os, const multiset<T> &st) { auto itr = st.begin(); for (int i = 0; i < (int)st.size(); i++) { os << *itr << (i + 1 != (int)st.size() ? " " : ""); itr++; } return os; } template <typename T> ostream &operator<<(ostream &os, queue<T> q) { while (q.size()) { os << q.front() << " "; q.pop(); } return os; } template <typename T> ostream &operator<<(ostream &os, deque<T> q) { while (q.size()) { os << q.front() << " "; q.pop_front(); } return os; } template <typename T> ostream &operator<<(ostream &os, stack<T> st) { while (st.size()) { os << st.top() << " "; st.pop(); } return os; } template <class T, class Container, class Compare> ostream &operator<<(ostream &os, priority_queue<T, Container, Compare> pq) { while (pq.size()) { os << pq.top() << " "; pq.pop(); } return os; } template <class T> inline vector<T>& operator--(vector<T>& v) { repe(x, v) --x; return v; } template <class T> inline vector<T>& operator++(vector<T>& v) { repe(x, v) ++x; return v; } template <typename T> void print_sep_end(string sep, string end, const T& val) { (void)sep; cout << val << end; }; template <typename T1, typename... T2> void print_sep_end(string sep, string end, const T1 &val, const T2 &...remain) { cout << val << sep; print_sep_end(sep, end, remain...); }; template <typename... T> void print(const T&...args) {print_sep_end(" ", "\n", args...);}; #define debug(...) debug_func(0, #__VA_ARGS__, __VA_ARGS__) // debug print #ifdef LOCAL_TEST template <typename T> void debug_func(int i, T name) { (void)i; (void)name; cerr << endl; } template <typename T1, typename T2, typename... T3> void debug_func(int i, const T1 &name, const T2 &a, const T3 &...b) { for ( ; name[i] != ',' && name[i] != '\0'; i++ ) cerr << name[i]; cerr << ":" << a << " "; debug_func(i + 1, name, b...); } #endif #ifndef LOCAL_TEST template <typename... T> void debug_func(const T &...) {} #endif /** * @brief io.hpp * @docs docs/std/io.md */ #line 5 "answer.cpp" int main() { int n,m; cin >> n >> m; int m1 = m / 2; int m2 = m - m1; vi a(m), b(m); rep(i, m) { cin >> a[i] >> b[i]; } --a; --b; ll c(0); rep(i, n) { int ci; cin >> ci; if (ci == 1) c += 1LL << i; } debug(bit::to_string(c)); unordered_map<ll, int> mp; rep(bt, 1 << m1) { vb cn(n, 0); rep(i, m1) { if (bit::get(bt, i)) { cn[a[i]] = !cn[a[i]]; cn[b[i]] = !cn[b[i]]; } } ll l = 0; rep(i, n) { if (cn[i]) l += (1LL << i); } debug(cn, l); if (mp.count(l)) chmin(mp[l], __popcount(bt)); else mp[l] = __popcount(bt); } repe(e, mp) debug(e); int ans = INF; rep(bt, 1 << m2) { vb cn(n, 0); rep(i, m2) { if (bit::get(bt, i)) { cn[a[m1+i]] = !cn[a[m1+i]]; cn[b[m1+i]] = !cn[b[m1+i]]; } } ll r = 0; rep(i, n) { if (cn[i]) r += (1LL << i); } debug(cn, r); r ^= c; if (mp.count(r)) chmin(ans, mp[r] + __popcount(bt)); } if (ans != INF) print(ans); else print(-1); }