Submission #279998

# Submission time Handle Problem Language Result Execution time Memory
279998 2020-08-22T12:36:18 Z shinjan Crocodile's Underground City (IOI11_crocodile) C++14
0 / 100
2 ms 2688 KB
    #include <iostream>
    #include <bits/stdc++.h>
    #define maxN 100001
    #define maxM 1000001
    #include "crocodile.h"
    using namespace std;
    vector<pair<int,int>> drvo[maxN];
    bitset <maxN> spec;
    int mini[maxN];
    int siguran[maxN];
    void namesti(int n)
    {
        for(int i=0;i<n;i++)
        {
            siguran[i]=-1;
            mini[i]=-1;
        }
    }
    void dfs(int v,int par)
    {
        int cvor,w;
        for(pair<int,int> p:drvo[v])
        {
            cvor=p.first;
            w=p.second;
            if(cvor!=par)
            {
                if(spec[cvor])
                {
                    if(mini[v]>=w || mini[v]==-1)
                    {
                        siguran[v]=mini[v];
                        mini[v]=w;
                    }
                    else if(w<siguran[v] || siguran[v]==-1)
                    {
                        siguran[v]=w;
                    }
                }
                else{
                    dfs(cvor,v);
                    if(siguran[cvor]!=-1 && (siguran[cvor]+w<=mini[v] || mini[v]==-1))
                    {
                        siguran[v]=mini[v];
                        mini[v]=siguran[cvor]+w;
                    }
                    else if(siguran[cvor]!=-1 && (siguran[cvor]+w<siguran[v] || siguran[v]==-1))
                    {
                        siguran[v]=siguran[cvor]+w;
                    }
                }
            }
        }
    }
    int travel_plan(int n,int m,int r[maxM][2],int l[maxM],int k,int p[maxN])
    {
        for(int i=0;i<m;i++)
        {
            drvo[r[i][0]].push_back({r[i][1],l[i]});
            drvo[r[i][1]].push_back({r[i][0],l[i]});
        }
        for(int i=0;i<k;i++)
        {
            spec[p[i]]=1;
            if(p[i]==0)
            {
              return 0;
            }
        }
        dfs(0,-1);
        return siguran[0];
    }
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -