Cod sursa(job #1715633)
Utilizator | Ciorica Vlad vladboss2323 | Data | 11 iunie 2016 11:30:32 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 40 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.55 kb |
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int i,n,nr=1,nr1=0,x,a[1000002];
in>>n;
for(i=1; i<=n; i++)
in>>a[i];
x=a[1];
for(i=2; i<=n; i++)
{
if(a[i]==x)
nr++;
else
nr--;
if(nr<=0)
x=a[i];
}
for(i=1; i<=n; i++)
if(a[i]==x)
nr1++;
if(nr1>n/2)
out<<x<<" "<<nr1;
else
out<<-1;
return 0;
}