Cod sursa(job #3151319)
Utilizator | Martinut Federica Federica361 | Data | 20 septembrie 2023 17:31:32 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.58 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
#define cin fin
#define cout fout
int n,i,a,nr,v[1000005];
int main()
{
cin>>n;
cin>>v[1];
a=v[1]; nr=1;
for(i=2;i<=n;i++)
{
cin>>v[i];
if(v[i]==a) nr++;
else if(v[i]!=a && nr>0) nr--;
else if(v[i]!=a && nr<=0)
{
a=v[i]; nr=1;
}
}
nr=0;
for(i=1;i<=n;i++)
{
if(v[i]==a) nr++;
}
if(nr>n/2) cout<<a<<" "<<nr;
else cout<<-1;
return 0;
}