結果
問題 | No.2236 Lights Out On Simple Graph |
ユーザー | apricity |
提出日時 | 2023-05-10 10:45:11 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 690 ms / 4,000 ms |
コード長 | 4,786 bytes |
コンパイル時間 | 1,543 ms |
コンパイル使用メモリ | 155,612 KB |
実行使用メモリ | 85,260 KB |
最終ジャッジ日時 | 2024-11-26 15:12:20 |
合計ジャッジ時間 | 18,601 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,816 KB |
testcase_03 | AC | 576 ms
85,260 KB |
testcase_04 | AC | 455 ms
80,956 KB |
testcase_05 | AC | 2 ms
6,824 KB |
testcase_06 | AC | 653 ms
85,012 KB |
testcase_07 | AC | 484 ms
36,052 KB |
testcase_08 | AC | 2 ms
6,820 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 82 ms
8,320 KB |
testcase_11 | AC | 27 ms
6,816 KB |
testcase_12 | AC | 162 ms
17,600 KB |
testcase_13 | AC | 11 ms
6,816 KB |
testcase_14 | AC | 465 ms
48,116 KB |
testcase_15 | AC | 11 ms
6,820 KB |
testcase_16 | AC | 22 ms
6,820 KB |
testcase_17 | AC | 38 ms
6,816 KB |
testcase_18 | AC | 3 ms
6,820 KB |
testcase_19 | AC | 51 ms
8,704 KB |
testcase_20 | AC | 287 ms
44,028 KB |
testcase_21 | AC | 56 ms
12,800 KB |
testcase_22 | AC | 553 ms
85,048 KB |
testcase_23 | AC | 539 ms
52,280 KB |
testcase_24 | AC | 690 ms
80,948 KB |
testcase_25 | AC | 96 ms
14,336 KB |
testcase_26 | AC | 510 ms
52,280 KB |
testcase_27 | AC | 246 ms
27,640 KB |
testcase_28 | AC | 528 ms
81,044 KB |
testcase_29 | AC | 56 ms
12,928 KB |
testcase_30 | AC | 622 ms
85,148 KB |
testcase_31 | AC | 589 ms
85,136 KB |
testcase_32 | AC | 492 ms
52,364 KB |
testcase_33 | AC | 576 ms
85,048 KB |
testcase_34 | AC | 627 ms
85,060 KB |
testcase_35 | AC | 436 ms
27,852 KB |
testcase_36 | AC | 359 ms
21,592 KB |
testcase_37 | AC | 495 ms
52,408 KB |
testcase_38 | AC | 299 ms
19,848 KB |
testcase_39 | AC | 283 ms
19,708 KB |
testcase_40 | AC | 217 ms
19,680 KB |
testcase_41 | AC | 1 ms
6,816 KB |
testcase_42 | AC | 159 ms
13,452 KB |
testcase_43 | AC | 11 ms
6,816 KB |
testcase_44 | AC | 324 ms
21,648 KB |
testcase_45 | AC | 372 ms
23,696 KB |
testcase_46 | AC | 363 ms
23,752 KB |
testcase_47 | AC | 186 ms
15,376 KB |
testcase_48 | AC | 200 ms
15,484 KB |
testcase_49 | AC | 475 ms
35,980 KB |
testcase_50 | AC | 7 ms
6,824 KB |
testcase_51 | AC | 63 ms
13,312 KB |
testcase_52 | AC | 9 ms
6,816 KB |
testcase_53 | AC | 2 ms
6,820 KB |
testcase_54 | AC | 294 ms
17,632 KB |
testcase_55 | AC | 380 ms
21,716 KB |
testcase_56 | AC | 335 ms
20,464 KB |
testcase_57 | AC | 296 ms
19,928 KB |
testcase_58 | AC | 373 ms
21,492 KB |
testcase_59 | AC | 273 ms
19,728 KB |
ソースコード
#include<iostream> #include<string> #include<vector> #include<algorithm> #include<numeric> #include<cmath> #include<utility> #include<tuple> #include<cstdint> #include<cstdio> #include<iomanip> #include<map> #include<queue> #include<set> #include<stack> #include<deque> #include<unordered_map> #include<unordered_set> #include<bitset> #include<cctype> #include<chrono> #include<random> #include<cassert> #include<cstddef> #include<iterator> #include<string_view> #include<type_traits> #ifdef LOCAL # include "debug_print.hpp" # define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define debug(...) (static_cast<void>(0)) #endif using namespace std; #define rep(i,n) for(int i=0; i<(n); i++) #define rrep(i,n) for(int i=(n)-1; i>=0; i--) #define FOR(i,a,b) for(int i=(a); i<(b); i++) #define RFOR(i,a,b) for(int i=(b-1); i>=(a); i--) #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() #define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() ); #define pb push_back using ll = long long; using D = double; using LD = long double; using P = pair<int, int>; template<typename T> using PQ = priority_queue<T,vector<T>>; template<typename T> using minPQ = priority_queue<T, vector<T>, greater<T>>; template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } void yesno(bool flag) {cout << (flag?"Yes":"No") << "\n";} 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; } 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...); } int main(){ ios_base::sync_with_stdio(false); cin.tie(nullptr); int n,m; in(n,m); vector<vector<P>> g(n); vector<int> a,b; rep(i,m){ int x,y; in(x,y); x--; y--; g[x].pb({y,i}); g[y].pb({x,i}); a.pb(x); b.pb(y); } vector<int> c(n); in(c); vector<vector<int>> ed(n),vs(n); vector<bool> seen_v(n,false); vector<bool> seen_e(m,false); int now = 0; rep(i,n){ if(seen_v[i]) continue; seen_v[i] = true; queue<int> q; q.push({i}); vs[now].pb(i); while(q.size()){ int x = q.front(); q.pop(); for (auto [y,idx] : g[x]){ if(!seen_e[idx]) { seen_e[idx] = true; ed[now].pb(idx); } if(!seen_v[y]){ seen_v[y] = true; vs[now].pb(y); q.push(y); } } } now++; } const int inf = 1e9; int ans = 0; rep(i,now){ auto &v = ed[i]; int k = v.size(); int h = k/2; int l = k-h; vector<ll> msk1(1 << h), msk2(1 << l); rep(bit, (1 << h)){ rep(j,h){ if((bit >> j) & 1){ msk1[bit] ^= (1LL << a[v[j]]); msk1[bit] ^= (1LL << b[v[j]]); } } } rep(bit, (1 << l)){ rep(j,l){ if((bit >> j) & 1){ msk2[bit] ^= (1LL << a[v[j+h]]); msk2[bit] ^= (1LL << b[v[j+h]]); } } } ll state = 0; for(int ent : vs[i]){ if(c[ent]) state |= (1LL << ent); } map<ll,int> mp; rep(bit, (1 << l)){ if(!mp.count(msk2[bit])) mp[msk2[bit]] = __builtin_popcountll(bit); else chmin(mp[msk2[bit]], __builtin_popcountll(bit)); } int tmp = inf; rep(bit, (1 << h)){ ll rem = state ^ msk1[bit]; if(!mp.count(rem)) continue; chmin(tmp, mp[rem] + __builtin_popcountll(bit)); } if(tmp == inf){ out(-1); return 0; } ans += tmp; } out(ans); }