Cod sursa(job #2937428)
Utilizator | Data | 10 noiembrie 2022 12:20:41 | |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.63 kb |
#include <fstream>
using namespace std;
ifstream fin ("elmaj.in");
ofstream fout ("elmaj.out");
int n,i,k,c,nr,v[1000005];
int main()
{
fin>>n;
for (i=1; i<=n; i++)
fin>>v[i];
c=-1;
k=0;
for (i=1; i<=n; i++)
{
if (k==0)
{
c=v[i];
k=1;
}
else
{
if (v[i]==c)
k++;
else
k--;
}
}
for (i=1; i<=n; i++)
{
if (v[i]==c)
nr++;
}
if (nr>n/2)
fout<<c<<" "<<nr;
else
fout<<"-1";
return 0;
}