Cod sursa(job #2289718)

Utilizator Lupuleti_VladLupuleti Vlad Calin Lupuleti_Vlad Data 25 noiembrie 2018 08:44:41
Problema Elementul majoritar Scor 60
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.73 kb
#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int v[100001],i,win,cnt,n,nr;
int main()
{
    fin>>n>>v[1];
    win=v[1];
    cnt=1;
    for(i=2;i<=n;i++)
    {
        fin>>v[i];
        if(cnt==0)
        {
            win=v[i];
            cnt=1;
        }
        else
        {
            if(v[i]==win)
            {
                cnt++;
            }
            else
            {
                cnt--;
            }
        }
    }
    for(i=1;i<=n;i++)
    {
        if(v[i]==win)
        {
            nr++;
        }
    }
    if(nr>=n/2+1)
    {
        fout<<win<<" "<<nr;
    }
    else
    {
        fout<<-1;
    }
    return 0;

}