Cod sursa(job #2528997)
Utilizator | Rares Andrei Ciociea rares_ciociea | Data | 22 ianuarie 2020 20:30:11 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.69 kb |
#include <fstream>
using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int v[1000001];
int main()
{
int n,k1,j,k,nr,cnt=0,i;
in>>n;
in>>v[1];
int elem=v[1];
int ap=1;
for(j=2; j<=n; j++)
{
in>>v[j];
k=v[j];
if(ap==0)
elem=k,ap++;
else
{
if(k==elem)
ap++;
if(k!=elem)
ap--;
}
}
if(ap==0)
{
out<<-1;
return 0;
}
for(i=1;i<=n;i++)
{
if(v[i]==elem)
cnt++;
}
if(cnt>n/2)
out<<elem<<" "<<cnt ;
else out<<-1;
return 0;
}