Cod sursa(job #1047009)

Utilizator geo.cristinaOana Georgiana-Cristina geo.cristina Data 3 decembrie 2013 20:08:23
Problema Elementul majoritar Scor 90
Compilator cpp Status done
Runda Arhiva educationala Marime 0.65 kb
#include <iostream>
#include <fstream>

using namespace std;

ifstream f("elmaj.in");
ofstream g("elmaj.out");

int a[1000000],n,i;

int main()
{
    int x,k;
    f>>n;
    for(i=1;i<=n;i++)
      f>>a[i];
    x=a[1];
    k=1;
    for(i=2;i<=n;i++)
    {
        if(k==0)
         {
             x=a[i];
             k=1;
         }
        else
        {
            if(a[i]==x)
              k++;
            else
             k--;
        }
    }
    k=0;
    for(i=1;i<=n;i++)
      if(a[i]==x)
        k++;
    if(k>=n/2+1)
       g<<x<<" "<<k;
    else
      g<<'1';
    f.close();
    g.close();
    return 0;
}