Cod sursa(job #2116444)

Utilizator stefanxzstefan avram stefanxz Data 27 ianuarie 2018 17:18:26
Problema Elementul majoritar Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.74 kb
#include <fstream>

using namespace std;
ifstream in("elmajvmb.in");
ofstream out("elmajvmb.out");
const int NMAX =1e6;
int v[NMAX+5];
int main()
{
    int n,i,maj,cnt=0;
    in>>n;
    for(i=1; i<=n; i++)
    {
        in>>v[i];
    }
    maj=v[1];
    for(i=1; i<=n; i++)
    {
        if(maj==v[i])
        {
            cnt++;
        }
        else
        {
            cnt--;
        }
        if(cnt==0)
        {
            maj=v[i];
            cnt++;
        }
    }
    cnt=0;
    for(i=1; i<=n; i++)
    {
        if(v[i]==maj)
        {
            cnt++;
        }
    }
    if(cnt>=((n/2)+1))
    {
        out<<maj<<' '<<cnt;
    }
    else
    {
        out<<"-1";
    }
    return 0;
}