Cod sursa(job #3349529)

Utilizator GabiRB1Rafael GabiRB1 Data 31 martie 2026 11:25:40
Problema Elementul majoritar Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.68 kb
#include <bits/stdc++.h>
using namespace std;

int k = 20;
long long v[1000005], n;
int main()
{
    ifstream f("elmaj.in");
    ofstream g("elmaj.out");
    f >> n;
    for(int i = 1; i <= n; i ++)
        f >> v[i];

    std::random_device dev;
    std::mt19937 rng(dev());
    std::uniform_int_distribution<std::mt19937::result_type> dist(1, n);

    for(int i = 1; i <= k; i ++)
    {
        int cand = dist(rng), ct = 0;
        for(int i = 1; i <= n; i ++)
            if(v[i] == v[cand])
                ct ++;
        if(ct == n / 2 + 1)
        {
            cout << v[cand] << " " << ct;
            return 0;
        }
    }
    g << -1;
    return 0;
}