#642070 (C++17(gcc12)) No.807 umg tours

• 問題: No.807 umg tours
• ユーザー: tanimani364
• 提出日時: 2021-04-02 07:37:53
• 言語: C++17(gcc12) (gcc 12.3.0 + boost 1.87.0)
• 結果: TLE
• 実行時間: -
• コード長: 2,665 bytes
• コンパイル時間: 11,743 ms
• コンパイル使用メモリ: 273,108 KB
• 最終ジャッジ日時: 2025-01-20 07:42:45
• ジャッジサーバーID （参考情報）: judge1 / judge5

ファイルパターン	結果
other	AC * 11 TLE * 1 MLE * 14

ソースコード

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#include <bits/stdc++.h>
//#include<boost/multiprecision/cpp_int.hpp>
//#include<boost/multiprecision/cpp_dec_float.hpp>
//#include <atcoder/all>
#define rep(i, a) for (int i = (int)0; i < (int)a; ++i)
#define rrep(i, a) for (int i = (int)a - 1; i >= 0; --i)
#define REP(i, a, b) for (int i = (int)a; i < (int)b; ++i)
#define RREP(i, a, b) for (int i = (int)a - 1; i >= b; --i)
#define repl(i, a) for (ll i = (ll)0; i < (ll)a; ++i)
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define popcount __builtin_popcount
#define fi first
#define se second
using ll = long long;
constexpr ll mod = 1e9 + 7;
constexpr ll mod_998244353 = 998244353;
constexpr ll INF = 1LL << 60;
// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
//using lll=boost::multiprecision::cpp_int;
//using Double=boost::multiprecision::number<boost::multiprecision::cpp_dec_float<1024>>;//仮数部が1024桁
template <class T>
inline bool chmin(T &a, T b)
{
    if (a > b)
    {
        a = b;
        return true;
    }
    return false;
}
template <class T>
inline bool chmax(T &a, T b)
{
    if (a < b)
    {
        a = b;
        return true;
    }
    return false;
}
template <typename T>
T mypow(T x, T n, const T &p = -1)
{ //x^nをmodで割った余り
    if (p != -1)
    {
        x %= p;
    }
    T ret = 1;
    while (n > 0)
    {
        if (n & 1)
        {
            if (p != -1)
                ret = (ret * x) % p;
            else
                ret *= x;
        }
        if (p != -1)
            x = (x * x) % p;
        else
            x *= x;
        n >>= 1;
    }
    return ret;
}
using namespace std;
//using namespace atcoder;
struct edge{
    int to;
    ll cost;
    edge(int a,ll b):to(a),cost(b){}
};
vector<vector<ll>>dijkstra(vector<vector<edge>> &g,int s){
    int n=g.size();
    vector<vector<ll>>dis(n,vector<ll>(n,INF));
    using P=pair<ll,pair<int,int>>;
    priority_queue<P,vector<P>,greater<>>pq;
    dis[s][0]=0;
    dis[s][1]=0;
    pq.emplace(0,make_pair(s,0));
    while(!pq.empty()){
        auto p=pq.top();pq.pop();
        ll d=p.first,v=p.second.first,flag=p.second.second;
        if(dis[v][flag]<d)continue;
        for(auto x:g[v]){
            if(chmin(dis[x.to][flag],dis[v][flag]+x.cost)){
                pq.emplace(dis[x.to][flag],make_pair(x.to,flag));
            }
            if(!flag){
                if(chmin(dis[x.to][1],dis[v][0])){
                    pq.emplace(dis[x.to][1],make_pair(x.to,1));
                }
            }
        }
    }
    return dis;
}
void solve()
{   
    int n,m;
    cin>>n>>m;
    vector<vector<edge>>g(n);
    rep(i,m){
        int a,b;
        ll c;
        cin>>a>>b>>c;
        a--;b--;
        g[a].eb(b,c);
        g[b].eb(a,c);
    }
    auto d=dijkstra(g,0);
    rep(i,n){
        ll ans=d[i][0]+d[i][1];
        cout<<ans<<"\n";
    }
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(15);
    solve();
    return 0;
}
 
 
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