Cod sursa(job #2653793)
| Utilizator | Data | 29 septembrie 2020 09:04:08 | |
|---|---|---|---|
| Problema | Elementul majoritar | Scor | 40 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.48 kb |
#include <fstream>
using namespace std;
int a[1000001];
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int main()
{
int e=0, n, x, i,cnt=1,ap=0;
fin>>n;
for(i=1;i<=n;i++)
fin>>a[i];
e=a[1];
for(i=2;i<=n;i++)
{
if(a[i]==e)cnt++;
else cnt--;
if(cnt<0){cnt==0;e=a[i];}
}
for(i=1;i<=n;i++)
{
if(a[i]==e)ap++;
}
if(ap<n/2+1)fout<<-1;
else fout<<e<<" "<<ap;
return 0;
}
