Cod sursa(job #1204894)
| Utilizator | Data | 4 iulie 2014 13:04:12 | |
|---|---|---|---|
| Problema | Elementul majoritar | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.56 kb |
#include <fstream>
using namespace std;
ifstream fin ("elmaj.in");
ofstream fout ("elmaj.out");
int n, v[1000001], count, maj = -1;
int main ()
{
fin >> n;
for (int i = 1; i <= n; ++i)
{
fin >> v[i];
if (count == 0)
{
maj = v[i];
count = 1;
}
else if (v[i] == maj)
++count;
else
--count;
}
count = 0;
for (int i = 1; i <= n; ++i)
if (v[i] == maj)
++count;
if (count >= (n / 2) + 1)
fout << maj << " " << count << '\n';
else
fout << "-1" << '\n';
fin.close();
fout.close();
return 0;
}
