Cod sursa(job #2616508)

Utilizator icc577Constantinescu Iustinian Cristian icc577 Data 18 mai 2020 18:38:52
Problema Elementul majoritar Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.75 kb
#include <fstream>
#include <iostream>
using namespace std;
ifstream in ("elmaj.in");
ofstream out ("elmaj.out");
int main()
{
    int n;
    in>>n;
    int v[n];
    for(int i=0;i<n;i++)
    {
        in>>v[i];
    }
    int cand=v[0];
    int cnt=1;
    for(int i=1;i<n;i++)
    {
        if(v[i]==cand)
        {
            cnt++;
        }
        else
        {
            if(cnt==0)
            {
                cnt=1;
                cand=v[i];
            }
            else
            {
                cnt--;
            }
        }
    }
    cnt=0;
    for(int i=0;i<n;i++)
    {
        if(v[i]==cand)
        {
            cnt++;
        }
    }
    if(cnt>n-cnt)
    {
        out<<cand<<' '<<cnt;
    }
    else
    {
        out<<"-1";
    }
}