Cod sursa(job #2636912)

Utilizator PetraPetra Hedesiu Petra Data 20 iulie 2020 16:49:24
Problema Elementul majoritar Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.74 kb
#include <iostream>
#include <vector>
#include <fstream>
#include <algorithm>

using namespace std;

vector<int> v;
int n;
int main()
{
    ifstream fin ("elmaj.in");
    ofstream fout ("elmaj.out");
    fin >> n;
    v.resize(n);
    for (int i=0; i<n; i++)
    {
        fin >> v[i];
    }
    int elmaj=0;
    int p=0;
    for (int i=0; i<v.size(); i++)
    {
        if (p==0)
        {
            elmaj=v[i];
            p=1;
            continue;
        }
        if (elmaj==v[i])
            p++;
        else
            p--;
    }
    int k=0;
    for (int i=0; i<v.size(); i++)
    {
        if (v[i]==elmaj)
            k++;
    }
    if (k>n/2)
        fout << elmaj << " " << k;
    return 0;
}