結果
問題 | No.1301 Strange Graph Shortest Path |
ユーザー | 👑 tute7627 |
提出日時 | 2020-11-27 21:51:48 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,107 bytes |
コンパイル時間 | 2,651 ms |
コンパイル使用メモリ | 223,548 KB |
実行使用メモリ | 18,420 KB |
最終ジャッジ日時 | 2024-09-13 00:54:04 |
合計ジャッジ時間 | 8,498 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | WA | - |
testcase_03 | AC | 89 ms
12,284 KB |
testcase_04 | AC | 151 ms
16,276 KB |
testcase_05 | AC | 87 ms
12,492 KB |
testcase_06 | AC | 130 ms
14,892 KB |
testcase_07 | AC | 123 ms
13,988 KB |
testcase_08 | AC | 90 ms
12,304 KB |
testcase_09 | AC | 124 ms
14,400 KB |
testcase_10 | WA | - |
testcase_11 | AC | 144 ms
14,872 KB |
testcase_12 | AC | 148 ms
15,128 KB |
testcase_13 | AC | 112 ms
13,840 KB |
testcase_14 | AC | 122 ms
13,940 KB |
testcase_15 | AC | 120 ms
13,712 KB |
testcase_16 | AC | 160 ms
16,496 KB |
testcase_17 | AC | 125 ms
14,408 KB |
testcase_18 | AC | 110 ms
13,392 KB |
testcase_19 | AC | 132 ms
15,092 KB |
testcase_20 | AC | 132 ms
15,372 KB |
testcase_21 | AC | 124 ms
14,248 KB |
testcase_22 | AC | 147 ms
15,968 KB |
testcase_23 | AC | 125 ms
14,056 KB |
testcase_24 | AC | 136 ms
15,492 KB |
testcase_25 | AC | 148 ms
15,560 KB |
testcase_26 | AC | 125 ms
14,184 KB |
testcase_27 | AC | 131 ms
14,632 KB |
testcase_28 | AC | 93 ms
12,732 KB |
testcase_29 | WA | - |
testcase_30 | AC | 139 ms
15,296 KB |
testcase_31 | AC | 144 ms
15,812 KB |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | AC | 168 ms
18,420 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,ll s = 0) { priority_queue<P, vector<P>, greater<P> > que; vector<ll>dist(g.size(),INF); dist[s] = 0; que.emplace(0, s); 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,m;cin>>n>>m; vector<vector<edge>>g(n); vector<ll>u(m),v(m),c(m),d(m); rep(i,0,m){ cin>>u[i]>>v[i]>>c[i]>>d[i]; u[i]--;v[i]--; g[u[i]].EB(v[i],c[i]); g[v[i]].EB(u[i],c[i]); } auto d1=dijkstra(g); set<P>st; ll now=n-1; while(now!=0){ for(auto e:g[now]){ if(d1[e.to]+e.cost!=d1[now])continue; st.insert(minmax(now,e.to)); now=e.to; } } g.clear(); g=vector<vector<edge>>(n); rep(i,0,m){ if(st.count(minmax(u[i],v[i]))){ c[i]=d[i]; } g[u[i]].EB(v[i],c[i]); g[v[i]].EB(u[i],c[i]); } auto d2=dijkstra(g); cout<<d1[n-1]+d2[n-1]<<endl; return 0; }