Cod sursa(job #3344067)

Utilizator nistor_dora_valentinaNistor Dora Valentina nistor_dora_valentina Data 1 martie 2026 11:57:47
Problema Elementul majoritar Scor 60
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.59 kb
#include <fstream>

using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n, a[100005], i, k, cand, nr;
int main()
{
    fin>>n;
    for(i=1; i<=n; i++)
        fin>>a[i];
    int cand=-1;
    for(i=1; i<=n; i++)
    {
        if(k==0)
        {
            cand=a[i];
            k++;
        }
        else
            if(a[i]==cand)
            k++;
        else
            k--;
    }
    for(i=1; i<=n; i++)
        if(cand==a[i])
            nr++;
    if(nr>n/2)
        fout<<cand<<" "<<nr;
    else
        fout<<-1;
    return 0;
}