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Cod sursa(job #670044)
#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n,v[1000001],em,nr;
int main()
{
int i,j;
fin>>n;
fin>>v[1];
em=v[1];
nr=1;
for(i=2;i<=n;i++){
fin>>v[i];
if(v[i]==em)
nr++;
else
nr--;
if(nr==0)
em=v[i],nr=1;
}
nr=0;
for(i=1;i<=n;i++)
if(em==v[i])
nr++;
if(nr>=n/2+1)
fout<<em<<" "<<nr;
else
fout<<"-1";
return 0;
}