Cod sursa(job #2377141)
| Utilizator | Data | 8 martie 2019 22:18:50 | |
|---|---|---|---|
| Problema | Elementul majoritar | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.56 kb |
#include<fstream>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n,a[1000005],k,nr;
int elmaj()
{
int c=-1,k=0,i;
for(i=1;i<=n;i++)
if(k==0)
{
c=a[i];
k++;
}
else if(c==a[i])
k++;
else
k--;
if(c<0)
return c;
for(i=1;i<=n;i++)
if(a[i]==c)
nr++;
if(nr>n/2)
return c;
else
return -1;
}
int main()
{
f>>n;
for(int i=1;i<=n;i++)
f>>a[i];
int c=elmaj();
g<<c<<" "<<nr;
}
