Cod sursa(job #2637656)
Utilizator | Razvan Diaconescu RTG123 | Data | 23 iulie 2020 21:31:44 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.63 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n,v[1000001],nr,em;
int main()
{
f>>n;
for (int i=1; i<=n; i++)
{
f>>v[i];
}
nr=1;
em=v[1];
for (int i=2; i<=n; i++)
{
if (em!=v[i])
{
nr--;
}
else nr++;
if (nr<0)
{
em=v[i];
nr=1;
}
}
nr=0;
for (int i=1; i<=n; i++)
{
if (em==v[i])
nr++;
}
if (nr>n/2)
{
g<<em<<' '<<nr;
}
else g<<-1;
return 0;
}