Cod sursa(job #2478193)

Utilizator AndreiStrAndrei Stroici AndreiStr Data 21 octombrie 2019 19:04:58
Problema Elementul majoritar Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.59 kb
#include <bits/stdc++.h>

using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int a[1000001],n,maj,cnt;
int main()
{
    f>>n;
    for(int i=1;i<=n;i++)
        f>>a[i];
    for(int i=1;i<=n;i++)
    {
        if(cnt==0)
        {
            maj=a[i];
            cnt=1;
        }
        else
            if(a[i]==maj)
                cnt++;
            else
                cnt--;
    }
    cnt=0;
    for(int i=1;i<=n;i++)
        if(a[i]==maj)
            cnt++;
    if(cnt>n-cnt)
        g<<maj<<' '<<cnt;
    else
        g<<"-1";
    return 0;
}