Cod sursa(job #2289719)
| Utilizator | Data | 25 noiembrie 2018 08:45:39 | |
|---|---|---|---|
| Problema | Elementul majoritar | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.73 kb |
#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int v[1000001],i,win,cnt,n,nr;
int main()
{
fin>>n>>v[1];
win=v[1];
cnt=1;
for(i=2;i<=n;i++)
{
fin>>v[i];
if(cnt==0)
{
win=v[i];
cnt=1;
}
else
{
if(v[i]==win)
{
cnt++;
}
else
{
cnt--;
}
}
}
for(i=1;i<=n;i++)
{
if(v[i]==win)
{
nr++;
}
}
if(nr>=n/2+1)
{
fout<<win<<" "<<nr;
}
else
{
fout<<-1;
}
return 0;
}
