結果
問題 | No.2236 Lights Out On Simple Graph |
ユーザー | akua |
提出日時 | 2023-03-03 22:18:44 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,798 ms / 4,000 ms |
コード長 | 6,392 bytes |
コンパイル時間 | 5,701 ms |
コンパイル使用メモリ | 229,048 KB |
実行使用メモリ | 207,736 KB |
最終ジャッジ日時 | 2024-09-17 23:23:11 |
合計ジャッジ時間 | 52,169 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
(要ログイン)
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 | 42 ms
11,032 KB |
testcase_01 | AC | 43 ms
10,880 KB |
testcase_02 | AC | 42 ms
11,008 KB |
testcase_03 | AC | 1,203 ms
142,080 KB |
testcase_04 | AC | 1,251 ms
142,080 KB |
testcase_05 | AC | 43 ms
10,880 KB |
testcase_06 | AC | 1,798 ms
207,616 KB |
testcase_07 | AC | 1,642 ms
207,692 KB |
testcase_08 | AC | 44 ms
11,008 KB |
testcase_09 | AC | 43 ms
11,136 KB |
testcase_10 | AC | 306 ms
35,552 KB |
testcase_11 | AC | 85 ms
11,264 KB |
testcase_12 | AC | 457 ms
51,968 KB |
testcase_13 | AC | 70 ms
15,104 KB |
testcase_14 | AC | 936 ms
109,340 KB |
testcase_15 | AC | 66 ms
15,104 KB |
testcase_16 | AC | 93 ms
19,200 KB |
testcase_17 | AC | 177 ms
28,928 KB |
testcase_18 | AC | 45 ms
11,520 KB |
testcase_19 | AC | 155 ms
27,484 KB |
testcase_20 | AC | 841 ms
109,440 KB |
testcase_21 | AC | 156 ms
27,392 KB |
testcase_22 | AC | 1,569 ms
207,736 KB |
testcase_23 | AC | 1,248 ms
142,080 KB |
testcase_24 | AC | 1,247 ms
142,208 KB |
testcase_25 | AC | 278 ms
43,904 KB |
testcase_26 | AC | 1,651 ms
207,616 KB |
testcase_27 | AC | 564 ms
60,180 KB |
testcase_28 | AC | 1,179 ms
142,080 KB |
testcase_29 | AC | 155 ms
27,520 KB |
testcase_30 | AC | 1,531 ms
207,616 KB |
testcase_31 | AC | 1,506 ms
207,600 KB |
testcase_32 | AC | 1,363 ms
207,616 KB |
testcase_33 | AC | 1,194 ms
142,080 KB |
testcase_34 | AC | 1,547 ms
207,616 KB |
testcase_35 | AC | 1,736 ms
174,336 KB |
testcase_36 | AC | 1,104 ms
88,832 KB |
testcase_37 | AC | 1,648 ms
207,360 KB |
testcase_38 | AC | 547 ms
16,896 KB |
testcase_39 | AC | 469 ms
12,288 KB |
testcase_40 | AC | 560 ms
60,160 KB |
testcase_41 | AC | 133 ms
23,296 KB |
testcase_42 | AC | 315 ms
27,520 KB |
testcase_43 | AC | 66 ms
14,080 KB |
testcase_44 | AC | 1,510 ms
156,504 KB |
testcase_45 | AC | 1,545 ms
207,616 KB |
testcase_46 | AC | 1,204 ms
142,080 KB |
testcase_47 | AC | 1,351 ms
174,848 KB |
testcase_48 | AC | 1,188 ms
142,080 KB |
testcase_49 | AC | 1,661 ms
207,616 KB |
testcase_50 | AC | 50 ms
11,136 KB |
testcase_51 | AC | 418 ms
60,148 KB |
testcase_52 | AC | 53 ms
11,776 KB |
testcase_53 | AC | 42 ms
10,880 KB |
testcase_54 | AC | 1,227 ms
140,160 KB |
testcase_55 | AC | 702 ms
26,368 KB |
testcase_56 | AC | 545 ms
22,784 KB |
testcase_57 | AC | 845 ms
39,680 KB |
testcase_58 | AC | 625 ms
22,784 KB |
testcase_59 | AC | 720 ms
31,488 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <atcoder/all> #include <iostream> // cout, endl, cin #include <string> // string, to_string, stoi #include <vector> // vector #include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound #include <utility> // pair, make_pair #include <tuple> // tuple, make_tuple #include <cstdint> // int64_t, int*_t #include <cstdio> // printf #include <map> // map #include <queue> // queue, priority_queue #include <set> // set #include <stack> // stack #include <deque> // deque #include <unordered_map> // unordered_map #include <unordered_set> // unordered_set #include <bitset> // bitset #include <cctype> // isupper, islower, isdigit, toupper, tolower #include <math.h> #include <iomanip> #include <functional> using namespace std; using namespace atcoder; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repi(i, a, b) for (int i = (int)(a); i < (int)(b); i++) typedef long long ll; typedef unsigned long long ull; const ll inf=1e18; using graph = vector<vector<int> > ; using P= pair<ll,ll>; using vi=vector<int>; using vvi=vector<vi>; using vll=vector<ll>; using vvll=vector<vll>; using vp=vector<P>; using vpp=vector<vp>; using vd=vector<double>; using vvd =vector<vd>; //string T="ABCDEFGHIJKLMNOPQRSTUVWXYZ"; //string S="abcdefghijklmnopqrstuvwxyz"; //g++ main.cpp -std=c++17 -I . //cout <<setprecision(20); //cout << fixed << setprecision(10); //cin.tie(0); ios::sync_with_stdio(false); const double PI = acos(-1); int vx[]={0,1,0,-1,-1,1,1,-1},vy[]={1,0,-1,0,1,1,-1,-1}; void putsYes(bool f){cout << (f?"Yes":"No") << endl;} void putsYES(bool f){cout << (f?"YES":"NO") << endl;} void putsFirst(bool f){cout << (f?"First":"Second") << endl;} void debug(int test){cout << "TEST" << " " << test << endl;} ll pow_pow(ll x,ll n,ll mod){ if(n==0) return 1; x%=mod; ll res=pow_pow(x*x%mod,n/2,mod); if(n&1)res=res*x%mod; return res; } ll gcd(ll x,ll y){ if(y==0)return x; return gcd(y,x%y); } ll lcm(ll x,ll y){ return ll(x/gcd(x,y))*y; } template<class T> bool chmin(T& a, T b) { if (a > b) { a = b; return true; } else return false; } template<class T> bool chmax(T& a, T b) { if (a < b) { a = b; return true; } else return false; } // https://youtu.be/L8grWxBlIZ4?t=9858 // https://youtu.be/ERZuLAxZffQ?t=4807 : optimize // https://youtu.be/8uowVvQ_-Mo?t=1329 : division ll mod =1e9+7; struct mint { ll x; // typedef long long ll; mint(ll x=0):x((x%mod+mod)%mod){} mint operator-() const { return mint(-x);} mint& operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint& operator-=(const mint a) { if ((x += mod-a.x) >= mod) x -= mod; return *this; } mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;} mint operator+(const mint a) const { return mint(*this) += a;} mint operator-(const mint a) const { return mint(*this) -= a;} mint operator*(const mint a) const { return mint(*this) *= a;} mint pow(ll t) const { if (!t) return 1; mint a = pow(t>>1); a *= a; if (t&1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod-2);} mint& operator/=(const mint a) { return *this *= a.inv();} mint operator/(const mint a) const { return mint(*this) /= a;} }; istream& operator>>(istream& is, const mint& a) { return is >> a.x;} ostream& operator<<(ostream& os, const mint& a) { return os << a.x;} // combination mod prime // https://www.youtube.com/watch?v=8uowVvQ_-Mo&feature=youtu.be&t=1619 struct combination { vector<mint> fact, ifact; combination(int n):fact(n+1),ifact(n+1) { //assert(n < mod); fact[0] = 1; for (int i = 1; i <= n; ++i) fact[i] = fact[i-1]*i; ifact[n] = fact[n].inv(); for (int i = n; i >= 1; --i) ifact[i-1] = ifact[i]*i; } mint operator()(int n, int k) { if (k < 0 || k > n) return 0; return fact[n]*ifact[k]*ifact[n-k]; } mint p(int n, int k) { return fact[n]*ifact[n-k]; } } c(500000); using vm=vector<mint> ; using vvm=vector<vm> ; ll sqrt_(ll x) { ll l = 0, r = ll(3e9)+1; while (l+1<r) { ll c = (l+r)/2; if (c*c <= x) l = c; else r = c; } return l; } int valid(int x,int y,int h,int w){ if(x>=0 && y>=0 && x<h && y<w)return 1; else return 0; } struct edge{ int to; ll cost; edge(int to,ll cost) : to(to),cost(cost){} }; //snuke template<typename T> struct Matrix { int h, w; vector<vector<T> > d; Matrix() {} Matrix(int h, int w, T val=0): h(h), w(w), d(h, vector<T>(w,val)) {} Matrix& unit() { //assert(h == w); rep(i,h) d[i][i] = 1; return *this; } const vector<T>& operator[](int i) const { return d[i];} vector<T>& operator[](int i) { return d[i];} Matrix operator*(const Matrix& a) const { //assert(w == a.h); Matrix r(h, a.w); rep(i,h)rep(k,w)rep(j,a.w) { r[i][j] += d[i][k]*a[k][j]; } return r; } Matrix pow(ll t) const { // assert(h == w); if (!t) return Matrix(h,h).unit(); if (t == 1) return *this; Matrix r = pow(t>>1); r = r*r; if (t&1) r = r*(*this); return r; } }; using ve=vector<edge>; using vve=vector<ve>; //g++ main.cpp -std=c++17 -I . int main(){cin.tie(0);ios::sync_with_stdio(false); int n,m; cin >> n>> m; vll a(m),b(m); rep(i,m)cin >> a[i] >> b[i],a[i]--,b[i]--; vll as,bs; vll c(n); rep(i,n)cin >> c[i]; ll base=0; rep(i,n)base|=(1ll<<i)*c[i]; rep(i,m){ ll now=0; now|=1ll<<a[i]; now|=1ll<<b[i]; if(i%2){ as.push_back(now); } else bs.push_back(now); } map<ll,int > mp; map<ll,int > mp2; { int si=as.size(); rep(bit,1<<si){ ll now=0; int cnt=0; rep(i,si)if(bit>>i&1){ now^=as[i]; cnt++; } if(mp[now^base]==0)mp[now^base]=cnt; else chmin(mp[now^base],cnt); } mp[base]=0; } { int si=bs.size(); rep(bit,1<<si){ ll now=0; int cnt=0; rep(i,si)if(bit>>i&1){ now^=bs[i]; cnt++; } if(mp2[now]==0)mp2[now]=cnt; else chmin(mp2[now],cnt); } } ll ans=inf; for(auto u:mp){ ll now=u.second; if(u.first==0)chmin(ans,now); else if(mp2[u.first])chmin(ans,now+mp2[u.first]); } if(ans==inf)ans=-1; cout << ans << endl; }