Cod sursa(job #2674277)
Utilizator | Botnaru Victor Botnaru_Victor | Data | 18 noiembrie 2020 21:28:23 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <iostream>
#include <cstdio>
using namespace std;
int main()
{
freopen("elmaj.in","r".stdin);
freopen("elmaj.out","w",stdout);
int n,c=0,nr,cc=-1;
cin>>n;
for(int i=0;i<n;i++)
{
cin>>nr;
if(cc==-1) cc=nr;
if(cc==nr) {c++;}
else c--;
if(c==0){c=1; cc=nr;}
}
c=0;
for(int i=0;i<n;i++)
{
if(cc==nr) c++;
}
if(c>((n/2)+1)) cout<<cc;
else cout<<-1;
return 0;
}