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;
}

  

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