Cod sursa(job #1775624)

Utilizator FredyLup Lucia Fredy Data 10 octombrie 2016 16:36:17
Problema Elementul majoritar Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.74 kb
#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("elmaj.in");
ofstream fout("elmaj.out");

#define lim 1000001
int n,v[lim];


void rezolvare()
{
    int k=0,aux=-1,i;

    for(i=1; i<=n; i++)
    {
        if(k==0)
        {
            aux=v[i];
            k=1;
        }
        else
            if(v[i]==aux) k++;
            else k--;
    }

//    if(aux<0)
//        fout<<aux;

    int nr=0;
    for(i=1; i<=n; i++)
        if(v[i]==aux)
            nr++;
    if(nr>n/2)
        fout<<aux<<' '<<nr;
    else
        fout<<-1;
}



int main()
{
    fin>>n;
    for(int i=1; i<=n; i++)
        fin>>v[i];
    rezolvare();

    fin.close();
    fout.close();
    return 0;
}