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Cod sursa(job #916798)
#include<fstream>
#define NMAX 1000005
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int v[NMAX],n;
int main( void )
{
f>>n;
int x;
int MAX=-1<<32,elem;
for(int i(1); i <= n; ++i)
{
f>>x;
++v[x];
if(v[x]>MAX)
{
MAX=v[x];
elem=x;
}
}
if(MAX>=(n/2+1) )
g<<elem<<" "<<MAX;
else
g<<"-1";
f.close();
g.close();
return 0;
}