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Cod sursa(job #997913)
#include <fstream>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int main()
{
int n;
int *v;
f>>n;
v=new int[n+1];
int nr=0,x=-1;
for(int i=1;i<=n;i++){
f>>v[i];
if(!nr){
x=v[i];
nr=1;
}else if(x==v[i])
nr++;
else nr--;
}
if(nr<0)
g<<-1;
else{
int s=0;
for(int i=1;i<=n;i++)
if(v[i]==x)
s++;
if(s>=n/2+1)
g<<x<<" "<<s;
}
return 0;
}