Cod sursa(job #1839609)
Utilizator | Isac Lucian IsacLucian | Data | 3 ianuarie 2017 10:26:30 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.56 kb |
#include <bits/stdc++.h>
using namespace std;
int a[1000000];
int main()
{
int n,i,candidat,s;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
fin>>n;
for(i=1;i<=n;i++)
fin>>a[i];
candidat=a[1];
s=1;
for(i=2;i<=n;i++)
{
if(a[i]==candidat)s++;
else s--;
if(s==0)
{
candidat=a[i];
s=1;
}
}
s=0;
for(i=1;i<=n;i++)
if(candidat==a[i])s++;
if(s>n/2)fout<<candidat<<" "<<s;
else
fout<<"-1";
fout.close();
return 0;
}