Cod sursa(job #2179425)

Utilizator TudorFinaruTudor Cristian Finaru TudorFinaru Data 20 martie 2018 11:04:31
Problema Elementul majoritar Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.54 kb
#include <fstream>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n,v[1000002],cand,k;
int main()
{
    int i;
    f>>n;
    for(i=1;i<=n;i++) f>>v[i];
    cand=-1; k=0;
    for(i=1;i<=n;i++)
    {
        if(k==0) {cand=v[i];k=1;}
        else if(cand==v[i]) k++;
             else k--;
    }
    if(cand==-1) g<<-1<<'\n';
    else
    {
        int nr=0;
        for(i=1;i<=n;i++)
            if(v[i]==cand) nr++;
        g<<cand<<' '<<nr<<'\n';
    }
    f.close();
    g.close();
    return 0;
}