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Cod sursa(job #643344)
#include <fstream>
using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int n,i,x[1000001],m,c,*p;
int main()
{
in>>n;
for(i=0;i<n;++i)in>>x[i];
m=x[0];c=1;
for(p=x+1;*p;p++)
{
if(*p==m){c++;continue;}
c--;
if(c<0){c=1;m=*p;}
}
if(!c)printf("-1\n");
else
{
for(p=x,c=0;*p;p++)
if(*p==m)c++;
if(c<=n-c)printf("-1\n");
else printf("%d %d",m,c);
}
return 0;
}