Cod sursa(job #1843715)

Utilizator triscacezarTrisca Vicol Cezar triscacezar Data 9 ianuarie 2017 10:13:17
Problema Elementul majoritar Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.55 kb
#include <bits/stdc++.h>

using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n,i,e,cnt,x[1000010];
int main()
{
    f>>n;
    for(i=1;i<=n;i++)
        f>>x[i];
    e=x[1];
    cnt=1;
    for(i=2;i<=n;i++)
        if(cnt==0)
            e=x[i],cnt=1;
        else
            if(e==x[i])
                cnt++;
            else
                cnt--;
    cnt=0;
    for(i=1;i<=n;i++)
        if(x[i]==e)
            cnt++;
    if(cnt>n-cnt)
        g<<e<<' '<<cnt;
    else
        g<<-1;
    return 0;
}