Cod sursa(job #661687)

Utilizator ariel_roAriel Chelsau ariel_ro Data 14 ianuarie 2012 21:50:08
Problema Elementul majoritar Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.02 kb
#include <stdio.h>
#include <stdlib.h>

using namespace std;

#define NMAX 1000000

int N, a[NMAX];
FILE *fin = fopen("elmaj.in", "r+");
FILE *fout = fopen("elmaj.out", "w+");

void elmaj()
{
    int k = 1, el_maj = a[0];
    for (int i = 1; i < N; i++)
    {
        if (k == 0)
        {
            k++;
            el_maj = a[i];
        }
        else if (el_maj != a[i])
        {
            k--;
        }
        else if (el_maj == a[i])
        {
            k++;
        }
    }


    if (k > 0)
    {
        k = 0;
        for (int i = 0; i < N; i++)
        {
            if (a[i] == el_maj)
            {
                k++;
            }
        }
        fprintf(fout, "%d %d", el_maj, k);
    }
    else
    {
        fprintf(fout, "%d", -1);
    }
}

void cit()
{
    fscanf(fin, "%d", &N);
    printf("Am citit N = %d", N);
    for (int i = 0; i < N; i++)
    {
        fscanf(fin, "%d", &a[i]);
    }
}

int main()
{
    cit();
    elmaj();
    return 0;
}