Cod sursa(job #1747559)

Utilizator Costel_DraghiciDraghici Constantin Costel_Draghici Data 25 august 2016 09:34:57
Problema Elementul majoritar Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.62 kb
#include <iostream>
#include <fstream>
#define Nmax 1000001
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n,a[Nmax];

int major(int n,int a[])
{
    int cand=-1,k=0;
    for(int i=1;i<=n;i++)
    if(k==0)
        cand=a[i],k=1;
    else
        if(cand==a[i])
        k++;
        else
        k--;
    if(cand<0)
        return cand;
    int nr=0;
    for(int i=1;i<=n;i++)
        if(cand==a[i])
            nr++;
    if(nr>n/2)
        g<<cand<<" "<<nr;
    else
        g<<-1;
}

int main()
{
    f>>n;
    for(int i=1;i<=n;i++)
        f>>a[i];
    major(n,a);
}