結果
問題 | No.807 umg tours |
ユーザー | chakku |
提出日時 | 2020-03-04 15:41:14 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 575 ms / 4,000 ms |
コード長 | 3,197 bytes |
コンパイル時間 | 1,844 ms |
コンパイル使用メモリ | 186,512 KB |
実行使用メモリ | 24,616 KB |
最終ジャッジ日時 | 2024-11-23 19:52:03 |
合計ジャッジ時間 | 8,641 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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
5,248 KB |
testcase_02 | AC | 3 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 3 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 3 ms
5,248 KB |
testcase_11 | AC | 298 ms
15,680 KB |
testcase_12 | AC | 309 ms
15,828 KB |
testcase_13 | AC | 419 ms
18,956 KB |
testcase_14 | AC | 170 ms
10,620 KB |
testcase_15 | AC | 131 ms
9,088 KB |
testcase_16 | AC | 425 ms
19,604 KB |
testcase_17 | AC | 561 ms
24,572 KB |
testcase_18 | AC | 545 ms
24,616 KB |
testcase_19 | AC | 532 ms
22,732 KB |
testcase_20 | AC | 320 ms
15,996 KB |
testcase_21 | AC | 343 ms
16,384 KB |
testcase_22 | AC | 131 ms
9,088 KB |
testcase_23 | AC | 102 ms
7,808 KB |
testcase_24 | AC | 312 ms
21,572 KB |
testcase_25 | AC | 575 ms
24,404 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; /*{{{*/ //template #define rep(i,n) for(int i=0;i<(int)(n);i++) #define rrep(i,n) for(int i=(n)-1;i>=0;i--) constexpr int INF = numeric_limits<int>::max()/2; constexpr long long LINF = numeric_limits<long long>::max()/3; #define pb push_back #define eb emplace_back #define fi first #define se second #define all(v) (v).begin(),(v).end() #define sz(x) (int)(x).size() #define debug(x) cerr<<#x<<":"<<x<<endl #define debug2(x,y) cerr<<#x<<","<<#y":"<<x<<","<<y<<endl //struct fin{ fin(){ cin.tie(0); ios::sync_with_stdio(false); } } fin_; struct Double{ double d; explicit Double(double x) : d(x){} }; ostream& operator<<(ostream& os,const Double x){ os << fixed << setprecision(20) << x.d; return os; } template<typename T> ostream& operator<<(ostream& os,const vector<T>& vec){ os << "["; for(const auto& v : vec){ os << v << ","; } os << "]"; return os; } template<typename T,typename U> ostream& operator<<(ostream& os, const map<T,U>& mp){ os << "{"; for(auto& p : mp){ os << p << ","; } os << "}"; return os; } template<typename T,typename U> ostream& operator<<(ostream& os,const pair<T,U>& p){ os << "(" << p.first << ","<< p.second <<")"; return os; } template<typename T> ostream& operator<<(ostream& os,const set<T>& st){ os<<"{"; for(T v:st) os<<v<<","; os <<"}"; return os; } template<typename T,typename U> inline void chmax(T &x,U y){ if(y>x) x = y; } template<typename T,typename U> inline void chmin(T &x,U y){ if(y<x) x = y; } using ll = long long; using ull = unsigned long long; using pii = std::pair<int,int>; using vi = std::vector<int>; typedef vector<vi> vvi; ll gcd(ll a,ll b){ if(b==0) return a; else return gcd(b,a%b); } constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n - 1); } //constexpr double eps = 1e-14; constexpr double eps = 1e-10; constexpr ll mod = 1e9+7; const int dx[]={1,0,-1,0} ,dy[] = {0,1,0,-1}; /*}}}*/ struct edge{ int from,to; ll cost; edge(){} edge(int f,int t,ll c) : from(f), to(t), cost(c){} }; int main(){ int n,m; cin >> n >> m; vector<vector<edge>> g(n); rep(i,m){ int a,b,c; cin >> a >> b >> c; a--; b--; g[a].emplace_back(a,b,c); g[b].emplace_back(b,a,c); } using Vertex = tuple<int,int>; using State = pair<ll,Vertex>; priority_queue<State, vector<State>, greater<State>> que; vector<vector<ll>> d(n, vector<ll>(2,LINF)); d[0][0] = 0; d[0][1] = 0; que.push(State(0,Vertex(0,0))); que.push(State(0,Vertex(0,1))); while(!que.empty()){ ll dist; Vertex ver; tie(dist,ver) = que.top(); que.pop(); int v,f; tie(v,f) = ver; if(d[v][f] < dist) continue; for(auto& e : g[v]){ int to = e.to; // not ticket if(d[to][f] > dist + e.cost){ d[to][f] = dist + e.cost; que.push(State(d[to][f], Vertex(to,f))); } if(f == 0 && d[to][1] > dist){ d[to][1] = dist; que.push(State(dist,Vertex(to,1))); } } } for(int i=0;i<n;i++){ cout << d[i][0] + d[i][1] << endl; } }