Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline
sys.setrecursionlimit(10 ** 9)
MOD = 10 ** 9 + 7

from bisect import bisect_left


def combination(n, r): #nCrを求める
    if n - r < r:
        r = n - r
    tmp = 1
    for i in range(n - r + 1, n + 1):
        tmp *= i
    for i in range(1, r + 1):
        tmp //= i
    return tmp



N = int(input())
A = list(map(int, input().split()))
A.sort()

ans = 0
for a in A:
    tmp = bisect_left(A, a//2)

    aCb = combination(a, A[min(tmp, N - 1)])
    if ans < aCb and a > A[min(tmp, N - 1)]:
        a1 = a
        b1 = A[min(tmp, N - 1)]
        ans = aCb

    aCb = combination(a, A[max(0, tmp - 1)])
    if ans < aCb and a > A[max(0, tmp - 1)]:
        a1 = a
        b1 = A[max(0, tmp - 1)]
        ans = aCb

print (a1, b1)


Fixed submission:
from bisect import bisect_left

n = int(input())
a = list(map(int, input().split()))
a.sort()

def combination(n, r): #nCrを求める
    if n - r < r:
        r = n - r
    tmp = 1
    for i in range(n - r + 1, n + 1):
        tmp *= i
    for i in range(1, r + 1):
        tmp //= i
    return tmp
# print (a)

j = bisect_left(a, a[-1]//2)
# print (j)
tmp = abs(a[j]/a[-1] - 1/2)
ans1 = a[-1]
ans2 = a[j]
if j != 0:
    if tmp >= abs(a[j - 1]/a[-1] - 1/2):
        ans2 = a[j - 1]

print (ans1, ans2)

Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline
sys.setrecursionlimit(10 ** 9)
MOD = 10 ** 9 + 7

from bisect import bisect_left


def combination(n, r): #nCrを求める
    if n - r < r:
        r = n - r
    tmp = 1
    for i in range(n - r + 1, n + 1):
        tmp *= i
    for i in range(1, r + 1):
        tmp //= i
    return tmp



N = int(input())
A = list(map(int, input().split()))
A.sort()

ans = 0
for a in A:
    tmp = bisect_left(A, a//2)

    aCb = combination(a, A[min(tmp, N - 1)])
    if ans < aCb and a > A[min(tmp, N - 1)]:
        a1 = a
        b1 = A[min(tmp, N - 1)]
        ans = aCb

    aCb = combination(a, A[max(0, tmp - 1)])
    if ans < aCb and a > A[max(0, tmp - 1)]:
        a1 = a
        b1 = A[max(0, tmp - 1)]
        ans = aCb

print (a1, b1)


Fixed submission:
from bisect import bisect_left

n = int(input())
a = list(map(int, input().split()))
a.sort()

def combination(n, r): #nCrを求める
    if n - r < r:
        r = n - r
    tmp = 1
    for i in range(n - r + 1, n + 1):
        tmp *= i
    for i in range(1, r + 1):
        tmp //= i
    return tmp
# print (a)

j = bisect_left(a, a[-1]//2)
# print (j)
tmp = abs(a[j]/a[-1] - 1/2)
ans1 = a[-1]
ans2 = a[j]
if j != 0:
    if tmp >= abs(a[j - 1]/a[-1] - 1/2):
        ans2 = a[j - 1]

print (ans1, ans2)

Buggy python submission (verdict: Time Limit Exceeded):
from bisect import bisect_left

n = int(input())
a = list(map(int, input().split()))
a.sort()

def combination(n, r): #nCrを求める
    if n - r < r:
        r = n - r
    tmp = 1
    for i in range(n - r + 1, n + 1):
        tmp *= i
    for i in range(1, r + 1):
        tmp //= i
    return tmp
# print (a)

j = bisect_left(a, a[-1]//2)
# print (j)
tmp = combination(a[-1], a[j])
ans1 = a[-1]
ans2 = a[j]
if j != 0:
    if tmp <= combination(a[-1], a[j - 1]):
        ans2 = a[j - 1]

print (ans1, ans2)    

Fixed submission:
from bisect import bisect_left

n = int(input())
a = list(map(int, input().split()))
a.sort()

def combination(n, r): #nCrを求める
    if n - r < r:
        r = n - r
    tmp = 1
    for i in range(n - r + 1, n + 1):
        tmp *= i
    for i in range(1, r + 1):
        tmp //= i
    return tmp
# print (a)

j = bisect_left(a, a[-1]//2)
# print (j)
tmp = abs(a[j]/a[-1] - 1/2)
ans1 = a[-1]
ans2 = a[j]
if j != 0:
    if tmp >= abs(a[j - 1]/a[-1] - 1/2):
        ans2 = a[j - 1]

print (ans1, ans2)