Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = [int(i) for i in input().split()]
AS = sorted(list(set(A)))

def f(x):
    B = [((x<=a)<<1)-1 for a in A]
    C = [N]
    [C.append(C[-1]+b) for b in B]

    r = 0
    Bit = [0] * (2*N+1)

    for i,c in enumerate(C):
        t=c-1
        while(t>0):
            r += Bit[t]
            t -= t&-t
        t=c-1
        while(t<=2*N+1):
            Bit[t] += 1
            t += t&-t
    return(r>=N*(N+1)//4)

l = 0
r = len(AS)-1
while l != r:
    if f(AS[(l+r+1)//2]):
        l = (l+r+1)//2
    else:
        r = (((l+r+1)//2)-1)
print(AS[r])


Fixed submission:
N = int(input())
A = [int(i) for i in input().split()]
AS = sorted(list(set(A)))

def f(x):
    B = [((x<=a)<<1)-1 for a in A]
    C = [N]
    [C.append(C[-1]+b) for b in B]

    r = 0
    Bit = [0] * (2*N+1)

    for i,c in enumerate(C):
        t=c-1
        while(t>0):
            r += Bit[t]
            t -= t&-t
        t=c-1
        while(t<=2*N+1):
            Bit[t] += 1
            t += t&-t
    return(r>=N*(N+1)//4)

l = 0
r = len(AS)-1
while l != r:
    if f(AS[(l+r+1)//2]):
        l = (l+r+1)//2
    else:
        r = (((l+r+1)//2)-1)
print(AS[r])

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = [int(i) for i in input().split()]
AS = sorted(A)

def f(x):
    B = [((x<=a)<<1)-1 for a in A]
    C = [N]
    [C.append(C[-1]+b) for b in B]

    r = 0
    Bit = [0] * (2*N+1)

    for i,c in enumerate(C):
        t=c-1
        while(t>0):
            r += Bit[t]
            t -= t&-t
        t=c-1
        while(t<=2*N+1):
            Bit[t] += 1
            t += t&-t
    return(r>=N*(N+1)//4)

l = 0
r = N-1
while l != r:
    if f(AS[(l+r+1)//2]):
        l = (l+r+1)//2
    else:
        r = (((l+r+1)//2)-1)
print(AS[r])


Fixed submission:
N = int(input())
A = [int(i) for i in input().split()]
AS = sorted(list(set(A)))

def f(x):
    B = [((x<=a)<<1)-1 for a in A]
    C = [N]
    [C.append(C[-1]+b) for b in B]

    r = 0
    Bit = [0] * (2*N+1)

    for i,c in enumerate(C):
        t=c-1
        while(t>0):
            r += Bit[t]
            t -= t&-t
        t=c-1
        while(t<=2*N+1):
            Bit[t] += 1
            t += t&-t
    return(r>=N*(N+1)//4)

l = 0
r = len(AS)-1
while l != r:
    if f(AS[(l+r+1)//2]):
        l = (l+r+1)//2
    else:
        r = (((l+r+1)//2)-1)
print(AS[r])

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input()) 
A = [int(i) for i in input().split()]
A.sort()

def f(x):
    B = [((x<=a)<<1)-1 for a in A]      
    C = [0]  
    [C.append(C[-1]+b) for b in B]          
    r = 0
    s = 0
    for i in range(N):
        for j in range(i+1,N+1):
            s += 1
            if C[j]-C[i] > 0: 
                r += 1
    return(r>s//2)        

l = 0
r = N-1
while l != r:
    if f((l+r)//2):               
        l = (l+r)//2 + 1
    else:
        r = (l+r)//2
print(A[r])


Fixed submission:
N = int(input())
A = [int(i) for i in input().split()]
AS = sorted(list(set(A)))

def f(x):
    B = [((x<=a)<<1)-1 for a in A]
    C = [N]
    [C.append(C[-1]+b) for b in B]

    r = 0
    Bit = [0] * (2*N+1)

    for i,c in enumerate(C):
        t=c-1
        while(t>0):
            r += Bit[t]
            t -= t&-t
        t=c-1
        while(t<=2*N+1):
            Bit[t] += 1
            t += t&-t
    return(r>=N*(N+1)//4)

l = 0
r = len(AS)-1
while l != r:
    if f(AS[(l+r+1)//2]):
        l = (l+r+1)//2
    else:
        r = (((l+r+1)//2)-1)
print(AS[r])

Buggy python submission (verdict: Time Limit Exceeded):
import sys
s = sys.stdin.readlines()

N = int(s[0])
A = [int(i) for i in s[1].split()]
A.sort()

def checkMM(num):
    B = [~-((num<=a)<<1) for a in A]
    C = [0]
    [C.append(C[-1]+b) for b in B]
    tmp = 0
    for l in range(N):
        r_l = l+1
        r_r = N
        while r_l != r_r:
            if C[l]<=C[(r_l+r_r)//2]:
                r_r = (r_l+r_r)//2
            else:
                r_l = (r_l+r_r)//2 + 1
        tmp += N - r_r + 1
    return N * (N+1) / 4 < tmp

l = 0
r = N-1
while l != r:
    if checkMM(A[(l+r)//2]):
        l = (l+r)//2 + 1
    else:
        r = (l+r)//2
print(A[r])

Fixed submission:
N = int(input())
A = [int(i) for i in input().split()]
AS = sorted(list(set(A)))

def f(x):
    B = [((x<=a)<<1)-1 for a in A]
    C = [N]
    [C.append(C[-1]+b) for b in B]

    r = 0
    Bit = [0] * (2*N+1)

    for i,c in enumerate(C):
        t=c-1
        while(t>0):
            r += Bit[t]
            t -= t&-t
        t=c-1
        while(t<=2*N+1):
            Bit[t] += 1
            t += t&-t
    return(r>=N*(N+1)//4)

l = 0
r = len(AS)-1
while l != r:
    if f(AS[(l+r+1)//2]):
        l = (l+r+1)//2
    else:
        r = (((l+r+1)//2)-1)
print(AS[r])

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = [int(i) for i in input().split()]
A.sort()

def checkMM(num):
    B = [~-((num<=a)<<1) for a in A]
    C = [0]
    [C.append(C[-1]+b) for b in B]
    tmp = 0
    for l in range(N):
        r_l = l+1
        r_r = N
        while r_l != r_r:
            if C[l]<=C[(r_l+r_r)//2]:
                r_r = (r_l+r_r)//2
            else:
                r_l = (r_l+r_r)//2 + 1
        tmp += N - r_r + 1
    return N * (N+1) / 4 < tmp

l = 0
r = N-1
while l != r:
    if checkMM(A[(l+r)//2]):
        l = (l+r)//2 + 1
    else:
        r = (l+r)//2
print(A[r])

Fixed submission:
N = int(input())
A = [int(i) for i in input().split()]
AS = sorted(list(set(A)))

def f(x):
    B = [((x<=a)<<1)-1 for a in A]
    C = [N]
    [C.append(C[-1]+b) for b in B]

    r = 0
    Bit = [0] * (2*N+1)

    for i,c in enumerate(C):
        t=c-1
        while(t>0):
            r += Bit[t]
            t -= t&-t
        t=c-1
        while(t<=2*N+1):
            Bit[t] += 1
            t += t&-t
    return(r>=N*(N+1)//4)

l = 0
r = len(AS)-1
while l != r:
    if f(AS[(l+r+1)//2]):
        l = (l+r+1)//2
    else:
        r = (((l+r+1)//2)-1)
print(AS[r])