Cod sursa(job #1225789)

Utilizator adimitudorTudor Adimi adimitudor Data 3 septembrie 2014 16:53:59
Problema Elementul majoritar Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.6 kb
#include <fstream>

using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n,x[1000010],cnt,maj,i;
int main()
{
    fin>>n>>x[1];
    maj=x[1];
    cnt=1;
    for(i=2;i<=n;i++)
    {
        fin>>x[i];
        if(!cnt)
        {
            maj=x[i];
            cnt++;
        }
        else
            if(x[i]==maj)
                cnt++;
            else
                cnt--;
    }
    cnt=0;
    for(i=1;i<=n;i++)
        if(x[i]==maj)
            cnt++;
    if(cnt>n-cnt)
        fout<<maj<<' '<<cnt;
    else
        fout<<"-1";
    return 0;
}