Cod sursa(job #3225014)

Utilizator Floroiu_MariusFloroiu Marius Cristian Floroiu_Marius Data 16 aprilie 2024 19:50:37
Problema Elementul majoritar Scor 40
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.51 kb
#include <bits/stdc++.h>

using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n,v[1000003],cand,k=1,ap;
int main()
{
    fin>>n;
    for (int i=1;i<=n;i++)
        fin>>v[i];
    cand=v[1];
    for (int i=2;i<=n;i++)
    {
        if (v[i]==cand) k++;
        else k--;
        if (k<=0)
            cand=v[i];
    }
    for (int i=1;i<=n;i++)
        if (v[i]==cand) ap++;
    if (ap>n/2)
        fout<<cand<<" "<<ap;
    else
        fout<<"-1";
    return 0;
}