結果
問題 | No.1153 ねこちゃんゲーム |
ユーザー | 👑 tute7627 |
提出日時 | 2020-08-07 22:45:44 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,983 bytes |
コンパイル時間 | 2,961 ms |
コンパイル使用メモリ | 228,688 KB |
実行使用メモリ | 140,876 KB |
最終ジャッジ日時 | 2024-09-24 23:04:01 |
合計ジャッジ時間 | 35,284 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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
13,884 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 4 ms
6,940 KB |
testcase_03 | AC | 4 ms
6,940 KB |
testcase_04 | AC | 4 ms
6,944 KB |
testcase_05 | AC | 5 ms
6,940 KB |
testcase_06 | AC | 4 ms
6,940 KB |
testcase_07 | AC | 893 ms
90,328 KB |
testcase_08 | AC | 740 ms
90,400 KB |
testcase_09 | AC | 869 ms
90,368 KB |
testcase_10 | AC | 875 ms
90,348 KB |
testcase_11 | AC | 870 ms
90,368 KB |
testcase_12 | AC | 796 ms
90,296 KB |
testcase_13 | AC | 890 ms
90,304 KB |
testcase_14 | AC | 718 ms
90,316 KB |
testcase_15 | AC | 868 ms
90,388 KB |
testcase_16 | AC | 881 ms
90,268 KB |
testcase_17 | AC | 899 ms
90,348 KB |
testcase_18 | AC | 722 ms
90,240 KB |
testcase_19 | AC | 869 ms
90,272 KB |
testcase_20 | AC | 716 ms
90,144 KB |
testcase_21 | AC | 725 ms
90,156 KB |
testcase_22 | AC | 740 ms
90,376 KB |
testcase_23 | AC | 744 ms
90,256 KB |
testcase_24 | AC | 732 ms
90,348 KB |
testcase_25 | AC | 736 ms
90,228 KB |
testcase_26 | AC | 729 ms
90,248 KB |
testcase_27 | AC | 887 ms
139,780 KB |
testcase_28 | AC | 931 ms
140,876 KB |
testcase_29 | AC | 885 ms
136,364 KB |
testcase_30 | AC | 884 ms
135,800 KB |
testcase_31 | AC | 875 ms
118,760 KB |
testcase_32 | TLE | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
testcase_38 | -- | - |
testcase_39 | -- | - |
testcase_40 | -- | - |
testcase_41 | -- | - |
コンパイルメッセージ
main.cpp: In lambda function: main.cpp:145:3: warning: control reaches end of non-void function [-Wreturn-type] 145 | }; | ^
ソースコード
//#define _GLIBCXX_DEBUG #include<bits/stdc++.h> using namespace std; #define endl '\n' #define lfs cout<<fixed<<setprecision(10) #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() #define spa << " " << #define fi first #define se second #define MP make_pair #define MT make_tuple #define PB push_back #define EB emplace_back #define rep(i,n,m) for(ll i = (n); i < (ll)(m); i++) #define rrep(i,n,m) for(ll i = (ll)(m) - 1; i >= (ll)(n); i--) using ll = long long; using ld = long double; const ll MOD1 = 1e9+7; const ll MOD9 = 998244353; const ll INF = 1e18; using P = pair<ll, ll>; template<typename T1, typename T2> bool chmin(T1 &a,T2 b){if(a>b){a=b;return true;}else return false;} template<typename T1, typename T2> bool chmax(T1 &a,T2 b){if(a<b){a=b;return true;}else return false;} ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});} void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;} void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;} void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;} template<typename T1,typename T2> void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;} template<typename T> void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++) {cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}}; void debug(vector<string>&v,ll h,ll w){for(ll i=0;i<h;i++) {for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}}; template<typename T> void debug(vector<T>&v,ll n){if(n!=0)cout<<v[0]; for(ll i=1;i<n;i++)cout spa v[i];cout<<endl;}; template<typename T> vector<vector<T>>vec(ll x, ll y, T w){ vector<vector<T>>v(x,vector<T>(y,w));return v;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} vector<ll>dx={1,-1,0,0,1,1,-1,-1}; vector<ll>dy={0,0,1,-1,1,-1,1,-1}; template<typename T> vector<T> make_v(size_t a,T b){return vector<T>(a,b);} template<typename... Ts> auto make_v(size_t a,Ts... ts){ return vector<decltype(make_v(ts...))>(a,make_v(ts...)); } template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2>&p){ return os << p.first << " " << p.second; } //mt19937 mt(chrono::steady_clock::now().time_since_epoch().count()); template< typename sum_t, typename key_t > struct ReRooting { struct Edge { int to; key_t data; sum_t dp, ndp; }; using F = function< sum_t(sum_t, sum_t) >; using G = function< sum_t(sum_t, key_t) >; vector< vector< Edge > > g; vector< sum_t > subdp, dp; const sum_t ident; const F f; const G gg; ReRooting(int V, const F f, const G g, const sum_t &ident) : g(V), f(f), gg(g), ident(ident), subdp(V, ident), dp(V, ident) {} void add_edge(int u, int v, const key_t &d) { g[u].emplace_back((Edge) {v, d, ident, ident}); g[v].emplace_back((Edge) {u, d, ident, ident}); } void add_edge_bi(int u, int v, const key_t &d, const key_t &e) { g[u].emplace_back((Edge) {v, d, ident, ident}); g[v].emplace_back((Edge) {u, e, ident, ident}); } void dfs_sub(int idx, int par) { for(auto &e : g[idx]) { if(e.to == par) continue; dfs_sub(e.to, idx); subdp[idx] = f(subdp[idx], gg(subdp[e.to], e.data)); } } void dfs_all(int idx, int par, const sum_t &top) { sum_t buff{ident}; for(int i = 0; i < (int) g[idx].size(); i++) { auto &e = g[idx][i]; e.ndp = buff; e.dp = gg(par == e.to ? top : subdp[e.to], e.data); buff = f(buff, e.dp); } dp[idx] = buff; buff = ident; for(int i = (int) g[idx].size() - 1; i >= 0; i--) { auto &e = g[idx][i]; if(e.to != par) dfs_all(e.to, idx, f(e.ndp, buff)); e.ndp = f(e.ndp, buff); buff = f(buff, e.dp); } } vector< sum_t > build() { dfs_sub(0, -1); dfs_all(0, -1, ident); return dp; } }; int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); ll res=0,buf=0; bool judge = true; ll n,m;cin>>n>>m; vector<ll>a(m); rep(i,0,m)cin>>a[i],a[i]--; using vi=vector<int>; int sz=450; auto f=[&](vi x,vi y){ for(auto z:y)x.PB(z); return x; }; auto f2=[&](vi x,int w){ vector<bool>t(min(sz,(int)x.size()+1)); for(auto z:x)t[z]=true; rep(i,0,t.size()){ if(!t[i]){ //cout<<i<<endl; return vi(1,i); } } }; vi iden; ReRooting<vi,int>reroot(n,f,f2,iden); rep(i,0,n-1){ ll u,v;cin>>u>>v;u--;v--; reroot.add_edge(u,v,0); } auto v=reroot.build(); vector<int>gr(n); rep(i,0,n){ gr[i]=f2(v[i],0)[0]; } //debug(gr,n); int now=0; rep(i,0,m){ now^=gr[a[i]]; } if(now==0){ cout<<-1 spa -1<<endl; return 0; } vector<bool>used(n); rep(i,0,m){ if(used[a[i]])continue; used[a[i]]=true; now^=gr[a[i]]; for(auto e:reroot.g[a[i]]){ int tmpgr=e.dp[0]; //cout<<a[i] spa now spa tmpgr<<endl; if(tmpgr==now){ cout<<i+1 spa e.to+1<<endl; return 0; } } now^=gr[a[i]]; } return 0; }