Cod sursa(job #2136170)
Utilizator | Data | 19 februarie 2018 18:31:20 | |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.67 kb |
#include<fstream>
using namespace std;
ifstream cin ("elmaj.in");
ofstream cout ("elmaj.out");
int v[1000005];
int main()
{
int n,i,k=0,cand=-1;
cin>>n;
for(i=1;i<=n;i++)
{
cin>>v[i];
if(k==0)
{
cand=v[i];
k=1;
}
else
if(v[i]==cand)
k++;
else k--;
}
if(cand==-1)
cout<<cand;
else
{
int sol=0;
for(i=1;i<=n;i++)
{
if(v[i]==cand)
sol++;
}
if(sol>n/2)
cout<<cand<<" "<<sol;
else
cout<<"\n";
}
return 0;
}