• 1575. Yekaterinburg Subway 2 夜


    http://acm.timus.ru/problem.aspx?space=1&num=1575

    这么狗血的题也有呀 无语了 

    一般都是给出数据然后建图 这题都好  直接给图 自己弄去吧  幸亏有人给了数据 直接copy过来处理一下就可以了

    简单 floyd 

    代码:

    #include<iostream>
    #include<cstdio>
    #include<cstring>
    #include<string>
    #include<map>
    #include<vector>
    #include<stack>
    #include<set>
    #include<map>
    #include<queue>
    #include<algorithm>
    #include<cmath>
    #define LL long long
    #define sint short int
    //#pragma comment(linker, "/STACK:1024000000,1024000000")
    using namespace std;
    const int N=105;
    const int INF=0x3f3f3f3f;
    string s[10][N]={
        {"7_klyuchey", "Sortirovochnaya", "China_town", "Zarechny", "City", "1905_year_square", "Kuybyshevskaya",
            "Sibirskaya", "Siniye_kamni", "Lechebnaya", "Varshavskaya", "Kompressornaya", "Koltsovo"},
        {"Zelyony_ostrov", "Tatishchevskaya", "Verh_Isetskaya", "Kommunarov_square", "1905_year_square",
            "Teatralnaya", "Vostochnaya", "Vtuzgorodok", "Kamennye_palatki", "University"},
        {"MEGA", "Metallurgov", "Kraulya", "Central_stadium", "Moskovskaya", "1905_year_square",
            "Shevchenko", "Pionerskaya", "Turbinnaya", "Elmash", "Taganskaya"},
        {"Akademicheskaya", "Yugo_zapadnaya", "Volgogradskaya", "Posadskaya", "Geologicheskaya", "Teatralnaya",
            "Gagarinskaya", "Komsomolskaya", "Shefskaya", "Ozyornaya", "Italyanskaya", "Kalinovskaya"},
        {"Sovhoznaya", "Voennaya", "Aviatsionnaya", "Dvorets_sporta", "Geologicheskaya",
            "Kuybyshevskaya", "Vostochnaya", "Gagarinskaya", "Vilonovskaya"},
        {"Keramicheskaya", "Vtorchermet", "Samolyotnaya", "Botanicheskaya", "Parkovaya", "Mayakovskaya",
            "Oborony_square", "Kuybyshevskaya", "Teatralnaya", "Shevchenko", "Uralskaya", "Zvezda",
            "I_Pyatiletki_square", "Pobedy"},
        {"Himmash", "Nizhne_Isetskaya", "Uktusskie_Gory", "Shcherbakovskaya", "Botanicheskaya", "Chkalovskaya",
            "Bazhovskaya", "Geologicheskaya", "1905_year_square", "Dinamo", "Uralskaya", "Mashinostroiteley",
            "Uralmash", "Prospekt_Kosmonavtov", "Bakinskih_Komissarov"},
        {"Moskovskaya", "Kommunarov_square", "City", "Uralskaya", "Pionerskaya", "Gagarinskaya", "Vtuzgorodok",
            "Sibirskaya", "Oborony_square", "Bazhovskaya", "Dvorets_sporta", "Posadskaya", "Moskovskaya"}
    };
    int L[10]={13,10,11,12,9,14,15,13};
    int a[N];
    map<string,int>mt;
    int dist[N][N];
    int main()
    {
        //freopen("data.in","r",stdin);
        for(int i=0;i<N;++i)
        for(int j=0;j<N;++j)
        dist[i][j]=INF;
        int k=0;
        for(int i=0;i<8;++i)
        {
            for(int j=0;j<L[i];++j)
            {
                if(mt.find(s[i][j])==mt.end())
                {
                    mt[s[i][j]]=k++;
                }
                a[j]=mt[s[i][j]];
            }
            for(int j=1;j<L[i];++j)
            {
                dist[a[j]][a[j-1]]=1;
                dist[a[j-1]][a[j]]=1;
            }
            if(i==7)
            {dist[a[0]][a[L[i]-1]]=1;dist[a[L[i]-1]][a[0]]=1;}
        }
        for(int i=0;i<k;++i)
        dist[i][i]=0;
        for(int l=0;l<k;++l)
        for(int i=0;i<k;++i)
        for(int j=0;j<k;++j)
        if(dist[i][l]+dist[l][j]<dist[i][j])
        dist[i][j]=dist[i][l]+dist[l][j];
        int n;
        cin>>n;
        while(n--)
        {
            string s1,s2;
            cin>>s1>>s2;
            cout<<dist[mt[s1]][mt[s2]]<<endl;
        }
        return 0;
    }
    

      

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  • 原文地址:https://www.cnblogs.com/liulangye/p/2873770.html
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