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Cod sursa(job #765808)
#include <fstream>
using namespace std;
ifstream fin ("elmaj.in");
ofstream fout ("elmaj.out");
int sef=0,n,i,x[1000000],j=0,gata;
int main()
{
//multiset<int> :: iterator it1;
//multiset<int> :: iterator it2;
fin>>n;
for ( i=0;i<n;i++ )
{
fin>>x[i];
if (!j)
{
sef=x[i];
j++;
}
else
{
if ( sef==x[i] )
j++;
else
j--;
}
}
j=0;
//gata=0;
for(i=0;i<n;i++)
if(sef==x[i])
{
j++;
//if ( j>n/2 )
// gata=1;
}
if (j>n/2)
fout<<sef<<" "<<j;
else
fout<<-1;
fin.close();
fout.close();
return 0;
}