Cod sursa(job #2519142)
Utilizator | Milcu Amelia Amelia_Milcu | Data | 7 ianuarie 2020 12:45:31 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.66 kb |
#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n,i,v[1000005],l=0,elmaj,nr=0;
int main()
{
fin>>n;
for(i=1;i<=n;i++)
fin>>v[i];
sort(v+1,v+n+1);
elmaj=v[1];
l=1;
for(i=2;i<=n;i++)
{
if(v[i]==elmaj)
l++;
else
{
l--;
if(l<0)
{
elmaj=v[i];
l=1;
}
}
}
for(i=1;i<=n;i++)
if(v[i]==elmaj)
nr++;
if(nr>n/2)
fout<<elmaj<<" "<<nr;
else
fout<<"-1";
return 0;
}