Cod sursa(job #1287612)
Utilizator | Stroia Aida nutty236 | Data | 7 decembrie 2014 21:33:11 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.72 kb |
#include<iostream>
#include<stdlib.h>
#include<fstream>
using namespace std;
int a[1000002];
int main()
{int i;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n,m;
f>>n;
for(i=0;i<n;i++)
f>>a[i];
int k=0,c=0;
for(i=0;i<n;i++)
if(k==0)
{k=a[i];
c=1;
}
else
if(a[i]==k)
c++;
else
if(c==1)
{k=0;
c=0;
}
else
c--;
c=0;
for (i=0;i<n;i++)
{
if(a[i]==k)
c++;
}
if(c<=n/2)
g<<"-1";
else
g<<k<<' '<<c;
return 0;
}