Cod sursa(job #3153088)
Utilizator | Petrescu Ioan Stefan BOSSSTEFAN | Data | 27 septembrie 2023 23:20:29 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.58 kb |
#include <fstream>
using namespace std;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int v[1000001];
int main()
{
int n,i,nr=0,nrap=0;
cin>>n;
for(i=1;i<=n;i++)
{
cin>>v[i];
if(v[i]==nr)
nrap++;
else
{
nrap--;
if(nrap<0)
{
nrap=1;
nr=v[i];
}
}
}
nrap=0;
for(i=1;i<=n;i++)
if(v[i]==nr)
nrap++;
if(nrap>=n/2+1)
cout<<nr;
else
cout<<-1;
return 0;
}