Cod sursa(job #3292518)

Utilizator Rose_MaryTrandafir Maria Rose_Mary Data 8 aprilie 2025 14:04:46
Problema Elementul majoritar Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.64 kb
#include <fstream>

using namespace std;

ifstream f("majoritar.in");
ofstream g("majoritar.out");

const int NMAX=3000000;

int v[NMAX+1];

int main()
{
    int n,i,nr=0,cand=-1;

    f>>n;
    for(i=1;i<=n;i++)
    {
        f>>v[i];
        if(nr==0)
        {
            cand=v[i];
            nr=1;
        }else if(cand==v[i]) nr++;
        else nr--;
    }

    if(nr==0) g<<-1;
    else
    {
        nr=0;
        for(i=1;i<=n;i++)
            if(cand==v[i])
            nr++;
        if(nr>=n/2+1)
            g<<cand<<' '<<nr;
        else g<<-1;
    }

    f.close();
    g.close();

    return 0;
}