Cod sursa(job #2000858)
Utilizator | Data | 14 iulie 2017 21:31:33 | |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.61 kb |
#include <iostream>
#include <fstream>
using namespace std;
int v[1000002];
int main()
{
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n;
f>>n;
for(int i=1;i<=n;i++)
f>>v[i];
int nr=v[1],k=1;
for(int i=2;i<=n;i++)
{
if(v[i]==nr)
k++;
else if(k)
k--;
if(k==0)
nr=v[i],k=1;
}
k=0;
for(int i=1;i<=n;i++)
if(v[i]==nr)
k++;
if(k>=(n/2+1))
g<<nr<<" "<<k<<'\n';
else
g<<-1<<'\n';
f.close();
g.close();
return 0;
}