Submission #483621

#	Time	Username	Problem	Language	Result	Execution time	Memory
483621		alexdumitru	Easter Eggs (info1cup17_eastereggs)	C++14	0 / 100	1 ms	488 KiB

eastereggs

#include <iostream>
#include <vector>
using namespace std;
vector<int> v[550];
vector<int> parcurgere;
int viz[550];
int query(vector<int> islands);
void dfs(int nod)
{
    int k=v[nod].size();
    for(int i=0;i<k;i++)
    {
        if(!viz[v[nod][i]])
        {
            viz[v[nod][i]]=1;
            parcurgere.push_back(v[nod][i]);
            dfs(v[nod][i]);
        }
    }
}
int findEgg(int N, vector<pair<int,int> > bridges)
{
    int st=0,dr=N-1,rasp=-1,mi,i,m=bridges.size(),nr=1;
    for(i=1;i<=N;i++)viz[i]=0;
    for(i=0;i<m;i++)
    {
        v[bridges[i].first].push_back(bridges[i].second);
        v[bridges[i].second].push_back(bridges[i].first);
    }
    parcurgere.push_back(1);
    dfs(1);
    while(st<=dr)
    {
        mi=st+(dr-st)/2;
        vector<int> q;
        for(i=0;i<=mi;i++)q.push_back(i);
        if(query(q))
        {
            dr=mi-1;
            rasp=mi;
        }
        else st=mi+1;
    }
    if(rasp==-1)return N;
    return rasp;
}

Compilation message (stderr)

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:23:51: warning: unused variable 'nr' [-Wunused-variable]
   23 |     int st=0,dr=N-1,rasp=-1,mi,i,m=bridges.size(),nr=1;
      |                                                   ^~

• Subtask 1: 0 / 40
• Subtask 2: 0 / 40
• Subtask 3: 0 / 20