Cod sursa(job #1208728)
Utilizator | Mihai Musat mihaimusat | Data | 16 iulie 2014 14:38:42 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.52 kb |
#include <fstream>
using namespace std;
int maj,i,y,nr,a[1000001],n;
int main()
{
ifstream f("elmaj.in");
ofstream g("elmaj.out");
f>>n;
for (i=1;i<=n;i++)
f>>a[i];
maj=a[1];
nr=1;
for (i=2;i<=n;i++)
if (maj==a[i]) nr++;
else
{
nr--;
if (nr<1) {maj=a[i];
nr=1;}
}
for (i=1;i<=n;i++)
if (maj==a[i]) y++;
if (y>=n/2+1) g<<maj<<" "<<y<<'\n';
else g<<"-1"<<'\n';
return 0;
}