結果
問題 | No.1308 ジャンプビーコン |
ユーザー | 👑 tute7627 |
提出日時 | 2020-12-05 00:49:22 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2,875 ms / 4,000 ms |
コード長 | 4,245 bytes |
コンパイル時間 | 2,549 ms |
コンパイル使用メモリ | 219,556 KB |
実行使用メモリ | 74,496 KB |
最終ジャッジ日時 | 2024-09-15 09:32:35 |
合計ジャッジ時間 | 51,614 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 3 ms
5,376 KB |
testcase_09 | AC | 4 ms
5,376 KB |
testcase_10 | AC | 4 ms
5,376 KB |
testcase_11 | AC | 3 ms
5,376 KB |
testcase_12 | AC | 4 ms
5,376 KB |
testcase_13 | AC | 143 ms
8,192 KB |
testcase_14 | AC | 142 ms
8,320 KB |
testcase_15 | AC | 142 ms
8,192 KB |
testcase_16 | AC | 142 ms
8,320 KB |
testcase_17 | AC | 141 ms
8,320 KB |
testcase_18 | AC | 2,687 ms
74,240 KB |
testcase_19 | AC | 2,698 ms
74,368 KB |
testcase_20 | AC | 2,621 ms
74,240 KB |
testcase_21 | AC | 2,561 ms
74,240 KB |
testcase_22 | AC | 2,537 ms
74,240 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 3 ms
5,376 KB |
testcase_25 | AC | 3 ms
5,376 KB |
testcase_26 | AC | 2,723 ms
74,240 KB |
testcase_27 | AC | 2,755 ms
74,112 KB |
testcase_28 | AC | 2,669 ms
74,228 KB |
testcase_29 | AC | 1,978 ms
74,496 KB |
testcase_30 | AC | 1,986 ms
74,368 KB |
testcase_31 | AC | 1,744 ms
74,368 KB |
testcase_32 | AC | 1,912 ms
74,496 KB |
testcase_33 | AC | 2,153 ms
74,368 KB |
testcase_34 | AC | 2,875 ms
74,240 KB |
testcase_35 | AC | 2,742 ms
74,228 KB |
testcase_36 | AC | 2,511 ms
74,240 KB |
testcase_37 | AC | 2,505 ms
74,368 KB |
testcase_38 | AC | 2,769 ms
74,368 KB |
testcase_39 | AC | 2,769 ms
74,240 KB |
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;} template<typename T>ostream &operator<<(ostream &os, const vector<T> &v){for(auto &z:v)os << z << " ";cout<<"|"; return os;} template<typename T>void rearrange(vector<ll>&ord, vector<T>&v){ auto tmp = v; for(int i=0;i<tmp.size();i++)v[i] = tmp[ord[i]]; } template<typename Head, typename... Tail>void rearrange(vector<ll>&ord,Head&& head, Tail&&... tail){ rearrange(ord, head); rearrange(ord, tail...); } //mt19937 mt(chrono::steady_clock::now().time_since_epoch().count()); int popcount(ll x){return __builtin_popcountll(x);}; int poplow(ll x){return __builtin_ctzll(x);}; int pophigh(ll x){return 63 - __builtin_clzll(x);}; struct edge { ll to,cost; edge(ll x,ll y):to(x),cost(y){}; }; vector<ll> dijkstra(vector<vector<edge>>&g,vector<ll>d) { priority_queue<P, vector<P>, greater<P> > que; vector<ll>dist(g.size(),INF); rep(i,0,g.size()){ dist[i]=d[i]; que.emplace(d[i],i); } while (!que.empty()) { P p = que.top(); que.pop(); ll v = p.second; if (dist[v] < p.first) continue; for(auto e:g[v]) { if (dist[e.to] > dist[v] + e.cost) { dist[e.to] = dist[v] + e.cost; que.emplace(dist[e.to], e.to); } } } return dist; } int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); ll res=0,buf=0; bool judge = true; ll n,q,c;cin>>n>>q>>c; vector<vector<edge>>g(n); rep(i,0,n-1){ ll u,v,l;cin>>u>>v>>l;u--;v--; g[u].EB(v,l); g[v].EB(u,l); } auto dp=vec(q,n,INF); vector<ll>x(q); rep(i,0,q)cin>>x[i],x[i]--; dp[0][x[0]]=0; rep(i,1,q){ vector<ll>nxt(n,INF); rep(j,0,n)chmin(nxt[j],dp[i-1][j]+c); chmin(nxt[x[i-1]],dp[i-1][x[i-1]]); auto d=dijkstra(g,nxt); auto dfs=[&](auto &&f,ll k,ll par,ll now)->void{ if(k==x[i-1]){ rep(j,0,n)chmin(dp[i][j],dp[i-1][j]+now); } chmin(dp[i][k],d[k]+now); for(auto e:g[k]){ if(e.to==par)continue; f(f,e.to,k,now+e.cost); } }; dfs(dfs,x[i],-1,0); } //debug(dp,q,n); cout<<dp[q-1][x[q-1]]<<endl; return 0; }