#[allow(unused_imports)]
use std::cmp::{max, min};
#[allow(unused_imports)]
use std::io::{self, BufRead};

#[allow(unused)]
macro_rules! input_at_once {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner_for_input_at_once!{iter, $($r)*}
    };
    ($($r:tt)*) => {
        let s = {
            use std::io::Read;
            let mut s = String::new();
            std::io::stdin().read_to_string(&mut s).unwrap();
            s
        };
        let mut iter = s.split_whitespace();
        input_inner_for_input_at_once!{iter, $($r)*}
    };
}

#[allow(unused)]
macro_rules! input_inner_for_input_at_once {
    ($iter:expr) => {};
    ($iter:expr, ) => {};

    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value_for_input_at_once!($iter, $t);
        input_inner_for_input_at_once!{$iter $($r)*}
    };
}

#[allow(unused)]
macro_rules! read_value_for_input_at_once {
    ($iter:expr, ( $($t:tt),* )) => {
        ( $(read_value_for_input_at_once!($iter, $t)),* )
    };

    ($iter:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value_for_input_at_once!($iter, $t)).collect::<Vec<_>>()
    };

    ($iter:expr, chars) => {
        read_value_for_input_at_once!($iter, String).chars().collect::<Vec<char>>()
    };

    ($iter:expr, usize1) => {
        read_value_for_input_at_once!($iter, usize) - 1
    };

    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}

#[allow(unused)]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        let mut next = || { iter.next().unwrap() };
        input_inner!{next, $($r)*}
    };
    ($($r:tt)*) => {
        let stdin = std::io::stdin();
        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
        let mut next = move || -> String{
            bytes
                .by_ref()
                .map(|r|r.unwrap() as char)
                .skip_while(|c|c.is_whitespace())
                .take_while(|c|!c.is_whitespace())
                .collect()
        };
        input_inner!{next, $($r)*}
    };
}

#[allow(unused)]
macro_rules! input_inner {
    ($next:expr) => {};
    ($next:expr, ) => {};

    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($next, $t);
        input_inner!{$next $($r)*}
    };
}

#[allow(unused)]
macro_rules! read_value {
    ($next:expr, ( $($t:tt),* )) => {
        ( $(read_value!($next, $t)),* )
    };

    ($next:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
    };

    ($next:expr, chars) => {
        read_value!($next, String).chars().collect::<Vec<char>>()
    };

    ($next:expr, usize1) => {
        read_value!($next, usize) - 1
    };

    ($next:expr, $t:ty) => {
        $next().parse::<$t>().expect("Parse error")
    };
}

fn bit_add(bit: &mut Vec<i64>, x: i64) {
  if x >= bit.len() as i64 {
    return;
  }
  bit[x as usize] += 1;
  bit_add(bit, x + (x & (-x)));
}

fn bit_count(bit: &Vec<i64>, x: i64) -> i64 {
  if x == 0 {
    0
  } else {
    bit[x as usize] + bit_count(bit, x - (x & (-x)))
  }
}

fn count(a: &Vec<i64>, x: i64) -> i64 {
  let b: Vec<_> = a.iter().map(|&y| if y < x { -1 } else { 1 }).collect();
  let mut s = vec![0i64];
  s.reserve(b.len() + 1);
  for bi in b {
    let back = s[s.len() - 1];
    s.push(back + bi);
  }

  let mut bit = vec![0i64; s.len() + 1];
  let mut ans = 0i64;
  let &min = s.iter().min().unwrap();
  for si in s.iter() {
    ans += bit_count(&bit, si - min + 1);
    bit_add(&mut bit, si - min + 1);
  }
  ans
}

fn main() {
  // pray for AC
  input!{
    n: i64,
    a: [i64;n]
  }
  let mut l = 0;
  let mut u = 2_000_000_000;
  while u - l > 1 {
    let m = (u + l) / 2;
    if count(&a, m) >= ((n * (n + 1)) / 2 + 1) / 2 {
      l = m;
    } else {
      u = m;
    }
  }
  println!("{}", l);
}


Measured memory_bytes: 8444