Cod sursa(job #634257)
Utilizator | Paul Buda paul_gabryel | Data | 15 noiembrie 2011 21:26:05 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.47 kb |
#include <cstdio>
#include <fstream>
#include <algorithm>
using namespace std;
int v[1000001],n,k,cont;
void read ()
{
ifstream in ("elmaj.in");
in>>n;
for(int i=1;i<=n;++i)
in>>v[i];
}
void solve ()
{
nth_element(v+1,v+(n>>1),v+n+1);
k=v[n>>1];
for(int i=1;i<=n;++i)
if(v[i]==k)
++cont;
}
void out ()
{
freopen ("elmaj.out","w",stdout);
if(cont>(n>>1))
printf("%d %d",k,cont);
else
printf("-1");
}
int main ()
{
read ();
solve ();
out ();
return 0;}