Cod sursa(job #1935476)
Utilizator | Data | 22 martie 2017 13:58:45 | |
---|---|---|---|
Problema | Elementul majoritar | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.58 kb |
#include <fstream>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int main()
{
long long int n,v[1000000];
int k=0,elem=0;
f>>n;
for(long long i=0;i<n;i++)
f>>v[i];
for(long long i=0;i<n;i++)
{
if(k==0)
elem=v[i];
else if(v[i]==elem)
k++;
else
k--;
}
k=0;
for(long long i=0;i<n;i++)
if(v[i]==elem)
k++;
if(k>n/2)
g<<elem<<" "<<k;
else
g<<"-1";
f.close();
g.close();
}