Cod sursa(job #2451325)

Utilizator vladadAndries Vlad Andrei vladad Data 26 august 2019 15:22:30
Problema Sate Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.71 kb
#include<bits/stdc++.h>
#define fi first
#define sc second
using namespace std;
ifstream f("ninjago.in");
ofstream g("ninjago.out");
vector<pair<int, pair<int, int>>>v[31201];
int ans1, ans2, ans22, ans3;
int tip, n, m, E, x, y, cst, z;
char c[11];
bool viz[31201];
void Dijkstra()
{
    set<pair<int, pair<int, int>>>S;
    S.insert(make_pair(0, make_pair(0, 1)));
    while(!S.empty())
    {
        int nr=(*S.begin()).fi;
        int cost=(*S.begin()).sc.fi;
        int nod=(*S.begin()).sc.sc;
        S.erase(S.begin());
        if(!viz[nod])
        {
            viz[nod]=1;
            ans1++;
            if(nr)
            {
                ans2++;
                ans22+=nr;
            }
            ans3+=cost;
            for(int i=0; i<v[nod].size(); i++)
            {
                int vecin=v[nod][i].fi;
                int ct=v[nod][i].sc.fi;
                int nrE=v[nod][i].sc.sc;
                if(!viz[vecin])
                {
                    if(tip==2 || tip==3 || !nrE)
                        S.insert(make_pair(nrE, make_pair(ct, vecin)));
                }
            }
        }
    }
}
int main()
{
    f>>tip;
    f>>n>>m;
    for(int i=1; i<=m; i++)
    {
        f>>x>>y>>c;
        cst=0;
        E=0;
        for(int i=0; i<4; i++)
        {
            if(c[i]!='E')
                cst+=(c[i]-'A'+1)*pow(5, i);
            if(c[i]=='E')
                E++;
        }
        v[x].push_back(make_pair(y, make_pair(cst, E)));
        v[y].push_back(make_pair(x, make_pair(cst, E)));
    }
    Dijkstra();
    if(tip==1)
        g<<ans1;
    else if(tip==2)
        g<<ans2<<'\n'<<ans22;
    else
        g<<ans3;
    return 0;
}