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Cod sursa(job #942573)
#include <fstream>
using namespace std;
int a[1000000],ap,t,n;
void cit()
{
ifstream f;
f.open("elmaj.in");
f>>n;
for (int i=0;i<n;i++)
f>>a[i];
f.close();
}
int elm()
{
int ap,el;
ap=1;
el=a[0];
for (int i=1;i<n;i++)
{
if (a[i]==el) ap++;
else if (ap==0)
{
el=a[i];
ap=1;
}
else ap--;
}
return el;
}
int nrap(int t)
{
int nr=0;
for (int i=0;i<n;i++) if (t==a[i]) nr++;
return nr;
}
int main()
{
cit();
ofstream g;
g.open("elmaj.out");
t=elm();
ap=nrap(t);
if (ap>n/2) g<<t<<" "<<ap;
else g<<-1;
g.close();
return 0;
}