結果
問題 | No.2569 はじめてのおつかいHard |
ユーザー | akiaa11 |
提出日時 | 2023-12-14 18:44:08 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 385 ms / 2,000 ms |
コード長 | 4,025 bytes |
コンパイル時間 | 4,377 ms |
コンパイル使用メモリ | 271,600 KB |
実行使用メモリ | 23,680 KB |
最終ジャッジ日時 | 2024-09-27 05:45:15 |
合計ジャッジ時間 | 7,163 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
(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 | 49 ms
6,656 KB |
testcase_01 | AC | 50 ms
6,656 KB |
testcase_02 | AC | 50 ms
6,528 KB |
testcase_03 | AC | 49 ms
6,656 KB |
testcase_04 | AC | 49 ms
6,528 KB |
testcase_05 | AC | 378 ms
23,040 KB |
testcase_06 | AC | 173 ms
10,980 KB |
testcase_07 | AC | 345 ms
23,424 KB |
testcase_08 | AC | 385 ms
23,680 KB |
testcase_09 | AC | 90 ms
8,704 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> #define SELECTER(_1,_2,_3,SELECT,...) SELECT #define rep1(i,n) for(int i=0;i<(int)n;++i) #define rep2(i,a,n) for(int i=(int)a;i<(int)n;++i) #define rep(...) SELECTER(__VA_ARGS__,rep2,rep1)(__VA_ARGS__) #define RSELECTER(_1, _2, _3, RSELECT, ...) RSELECT #define rrep1(i,n) for(int i=(int)(n)-1;i>=0;--i) #define rrep2(i,a,n) for(int i=(int)(n)-1;i>=(int)a;--i) #define rrep(...) RSELECTER(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define fi first #define se second #define PrintR LogOutput #ifdef _DEBUG #define Log(...) LogOutput(__VA_ARGS__) #else #define Log(...) #endif using namespace std; using namespace atcoder; using ll=long long; using ld=long double; using pii=pair<int,int>; using pll=pair<long long,long long>; using pdd=pair<long double,long double>; using tp=tuple<int,int,int>; using tpll=tuple<ll,ll,ll>; using veci=vector<int>; using vecpii=vector<pair<int,int>>; using vecll=vector<long long>; using vecpll=vector<pair<long long,long long>>; using vecpdd=vector<pair<long double,long double>>; using vecs=vector<string>; using vecb=vector<bool>; using vecd=vector<long double>; using vectp=vector<tp>; using vectpll=vector<tpll>; using mint=modint998244353; using mint10=modint1000000007; template<typename T, typename S> istream& operator>>(istream& in, pair<T, S>& a){return in >> a.first >> a.second;} template<typename T, typename S> ostream& operator<<(ostream& out, const pair<T, S>& a){return out << a.first << ' ' << a.second;} ostream& operator<<(ostream& out, const mint& a){return out << a.val();} ostream& operator<<(ostream& out, const mint10& a){return out << a.val();} ostream& operator<<(ostream& out, const modint& a){return out << a.val();} template<typename T> ostream& operator<<(ostream& out, const vector<T>& d){for(int i = 0 ; i < d.size() ; ++i) out << d[i] << (i == d.size() - 1 ? "" : " "); return out;} template<typename T, typename S> pair<T, S> operator+(const pair<T, S>& a, const pair<T, S>& b){return {a.fi + b.fi, a.se + b.se};} template<typename T, typename S> pair<T, S> operator-(const pair<T, S>& a, const pair<T, S>& b){return {a.fi - b.fi, a.se - b.se};} template<class T> inline bool chmax(T& a,T b){if(a<b) {a=b;return true;} return false;} template<class T> inline bool chmin(T& a,T b){if(a>b) {a=b;return true;} return false;} bool Judge(int i, int j, int h, int w){return i < 0 || j < 0 || i >= h || j >= w;} bool PrintA(int i){cout<<(i ? "Yes" : "No")<<endl;return i;} constexpr ll INF=numeric_limits<ll>::max() / 4; constexpr int inf=numeric_limits<int>::max() / 2; constexpr ll MOD=998244353; const int vi[] = {0, 1, 0, -1}, vj[] = {1, 0, -1, 0}; template<typename... Args> void LogOutput(Args&&... args){ stringstream ss; ((ss << args << ' '), ...); cout << ss.str().substr(0, ss.str().length() - 1) << endl; } template<typename T> void LogOutput(vector<vector<T>>& data){for(auto d : data) LogOutput(d);} int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); int n, m;cin>>n>>m; vector<vecpii> g(n), g2(n); rep(i, m){ int a, b, c;cin>>a>>b>>c; a--, b--; g[a].emplace_back(b, c); g2[b].emplace_back(a, c); } priority_queue<pll, vecpll, greater<pll>> q; auto dijkstra = [&n, &q](vector<vecpii>& g, int s){ vecll dist(n, INF); dist[s] = 0; q.emplace(dist[s], s); while(q.size()){ auto [c, v] = q.top(); q.pop(); if(dist[v] < c) continue; for(auto [nv, nc] : g[v]) if(chmin(dist[nv], dist[v] + nc)){ q.emplace(dist[nv], nv); } } return dist; }; auto dist = dijkstra(g, n - 1); auto dist2 = dijkstra(g, n - 2); auto dist3 = dijkstra(g2, n - 1); auto dist4 = dijkstra(g2, n - 2); rep(i, n - 2){ ll ans = INF; if(dist3[i] != INF && dist[n - 2] != INF && dist2[i] != INF) ans = dist3[i] + dist[n - 2] + dist2[i]; if(dist4[i] != INF && dist2[n - 1] != INF && dist[i] != INF) chmin(ans, dist4[i] + dist2[n - 1] + dist[i]); if(ans == INF) ans = -1; cout<<ans<<endl; } }