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Cod sursa(job #678605)
#include<fstream>
using namespace std;
int n;
int v[1000002],i,maj,nr=0;
int main()
{
ifstream f("elmaj.in");ofstream g("elmaj.out");
f>>n;
for(i=1;i<=n;i++)
f>>v[i];
maj=v[1];
for(i=1;i<=n;i++)
{
if(v[i]==maj)nr++;
else
{
nr--;
if(nr<=0 ){ maj=v[i]; nr=0; }
}
}
nr=0;
for(i=1;i<=n;i++)
if(v[i]==maj)nr++;
if(nr>=n/2+1)g<<maj<<' '<<nr;
else g<<-1;
f.close();g.close();
return 0;}