Buggy python submission (verdict: Time Limit Exceeded):
def leave_rewrite(vi_list):
    if len(set(vi_list)) > 1:
        sort_vi_list = sorted([(i, vi_list.count(i)) for i in set(vi_list)], key=lambda x: -x[1])
        return sort_vi_list[0][0], len(vi_list) - sort_vi_list[0][1], len(vi_list) - sort_vi_list[1][1]
    else:
        return vi_list[0], 0, 0

N = int(input())
v_list = input().split()

if len(set(v_list)) == 1:
    print(len(v_list) // 2)
    exit()

v1_list = v_list[::2]
v2_list = v_list[1::2]

l1_leave, rewrite_v1, second_v1 = leave_rewrite(v1_list)
l2_leave, rewrite_v2, second_v2 = leave_rewrite(v2_list)

if l1_leave != l2_leave:
    print(rewrite_v1 + rewrite_v2)
elif rewrite_v1 > rewrite_v2:
    print(rewrite_v2 + second_v1)
else:
    print(rewrite_v1 + second_v2)

Fixed submission:
from collections import *

N = int(input())
v_list = input().split()

if len(set(v_list)) == 1:
    print(len(v_list) // 2)
    exit()

v1_list = v_list[::2]
v2_list = v_list[1::2]

v1_count_list = Counter(v1_list).most_common()
v2_count_list = Counter(v2_list).most_common()

if v1_count_list[0][0] != v2_count_list[0][0]:
    print(len(v_list) - v1_count_list[0][1] - v2_count_list[0][1])
else:
    countor1 = len(v_list) - v1_count_list[1][1] - v2_count_list[0][1]
    countor2 = len(v_list) - v1_count_list[0][1] - v2_count_list[1][1]
    print(min(countor1, countor2))

Buggy python submission (verdict: Runtime Error):
N = int(input())
v_list = input().split()

if len(set(v_list)) == 1:
    print(len(v_list) // 2)
    exit()

v1_dict = {}
v2_dict = {}

for i, num in enumerate(v_list):
    if i%2 == 0:
        v1_dict[num] = v1_dict[num] + 1 if num in v1_dict else 0
    else:
        v2_dict[num] = v2_dict[num] + 1 if num in v2_dict else 0

v1_dict = sorted(v1_dict.items(), key=lambda x: -(len(v1_dict) - x[1]))
v2_dict = sorted(v2_dict.items(), key=lambda x: -(len(v2_dict) - x[1]))

if v1_dict[0][0] != v2_dict[0][0]:
    ans = v1_dict[0][1] + v2_dict[0][1]
elif max_value_v1 > max_value_v2:
    ans = v1_dict[1][1] + v2_dict[0][1]
else:
    ans = v1_dict[0][1] + v2_dict[1][1]
print(ans)

Fixed submission:
from collections import *

N = int(input())
v_list = input().split()

if len(set(v_list)) == 1:
    print(len(v_list) // 2)
    exit()

v1_list = v_list[::2]
v2_list = v_list[1::2]

v1_count_list = Counter(v1_list).most_common()
v2_count_list = Counter(v2_list).most_common()

if v1_count_list[0][0] != v2_count_list[0][0]:
    print(len(v_list) - v1_count_list[0][1] - v2_count_list[0][1])
else:
    countor1 = len(v_list) - v1_count_list[1][1] - v2_count_list[0][1]
    countor2 = len(v_list) - v1_count_list[0][1] - v2_count_list[1][1]
    print(min(countor1, countor2))

Buggy python submission (verdict: Runtime Error):
N = int(input())
v_list = input().split()

if len(set(v_list)) == 1:
    print(len(v_list) // 2)
    exit()

v1_dict = {}
v2_dict = {}

for i, num in enumerate(v_list):
    if i%2 == 0:
        v1_dict[num] = v1_dict[num] + 1 if num in v1_dict else 0
    else:
        v2_dict[num] = v2_dict[num] + 1 if num in v2_dict else 0

v1_dict = sorted(v1_dict.items(), key=lambda x: -x[1])
v2_dict = sorted(v2_dict.items(), key=lambda x: -x[1])

if v1_dict[0][0] != v2_dict[0][0]:
    ans = v1_dict[0][1] + v2_dict[0][1]
elif max_value_v1 > max_value_v2:
    ans = v1_dict[1][1] + v2_dict[0][1]
else:
    ans = v1_dict[0][1] + v2_dict[1][1]
print(ans)

Fixed submission:
from collections import *

N = int(input())
v_list = input().split()

if len(set(v_list)) == 1:
    print(len(v_list) // 2)
    exit()

v1_list = v_list[::2]
v2_list = v_list[1::2]

v1_count_list = Counter(v1_list).most_common()
v2_count_list = Counter(v2_list).most_common()

if v1_count_list[0][0] != v2_count_list[0][0]:
    print(len(v_list) - v1_count_list[0][1] - v2_count_list[0][1])
else:
    countor1 = len(v_list) - v1_count_list[1][1] - v2_count_list[0][1]
    countor2 = len(v_list) - v1_count_list[0][1] - v2_count_list[1][1]
    print(min(countor1, countor2))

Buggy python submission (verdict: Time Limit Exceeded):
def rewrite_count(vi_list):
    if len(set(vi_list)) != 1:
        vi_count_list = [(i, vi_list.count(i)) for i in set(vi_list)]
        vi_count_list = sorted(vi_count_list, key=lambda x: x[1])
        return vi_count_list[-1][0], len(vi_list) - vi_count_list[-1][1], len(vi_list) - vi_count_list[-2][1]
    else:
        return vi_list, 0, 0

N = int(input())
v_list = input().split()

if len(set(v_list)) == 1:
    print(len(v_list) // 2)
    exit()

v1_list = [v_list[i] for i in range(0, len(v_list), 2)]
v2_list = [v_list[i] for i in range(1, len(v_list), 2)]
max_v1, max_value_v1, second_value_v1 = rewrite_count(v1_list)
max_v2, max_value_v2, second_value_v2 = rewrite_count(v2_list)

if max_v1 != max_v2:
    ans = max_value_v1 + max_value_v2
elif max_value_v1 > max_value_v2:
    ans = max_value_v2 + second_value_v1
else:
    ans = max_value_v1 + second_value_v2
print(ans)

Fixed submission:
from collections import *

N = int(input())
v_list = input().split()

if len(set(v_list)) == 1:
    print(len(v_list) // 2)
    exit()

v1_list = v_list[::2]
v2_list = v_list[1::2]

v1_count_list = Counter(v1_list).most_common()
v2_count_list = Counter(v2_list).most_common()

if v1_count_list[0][0] != v2_count_list[0][0]:
    print(len(v_list) - v1_count_list[0][1] - v2_count_list[0][1])
else:
    countor1 = len(v_list) - v1_count_list[1][1] - v2_count_list[0][1]
    countor2 = len(v_list) - v1_count_list[0][1] - v2_count_list[1][1]
    print(min(countor1, countor2))

Buggy python submission (verdict: Time Limit Exceeded):
def rewrite_count(vi_list):
    if len(set(vi_list)) != 1:
        vi_count_list = sorted([(i, vi_list.count(i)) for i in set(vi_list)], key=lambda x: x[1])
        return vi_count_list[-1][0], len(vi_list) - vi_count_list[-1][1], len(vi_list) - vi_count_list[-2][1]
    else:
        return vi_list, 0, "null"

N = int(input())
v_list = input().split()

if len(set(v_list)) == 1:
    print(len(v_list) // 2)
    exit()

v1_list = [v_list[i] for i in range(0, len(v_list), 2)]
v2_list = [v_list[i] for i in range(1, len(v_list), 2)]
max_v1, max_value_v1, second_value_v1 = rewrite_count(v1_list)
max_v2, max_value_v2, second_value_v2 = rewrite_count(v2_list)

if max_v1 != max_v2:
    ans = max_value_v1 + max_value_v2
elif max_value_v1 > max_value_v2:
    ans = max_value_v2 + second_value_v1
else:
    ans = max_value_v1 + second_value_v2
print(ans)

Fixed submission:
from collections import *

N = int(input())
v_list = input().split()

if len(set(v_list)) == 1:
    print(len(v_list) // 2)
    exit()

v1_list = v_list[::2]
v2_list = v_list[1::2]

v1_count_list = Counter(v1_list).most_common()
v2_count_list = Counter(v2_list).most_common()

if v1_count_list[0][0] != v2_count_list[0][0]:
    print(len(v_list) - v1_count_list[0][1] - v2_count_list[0][1])
else:
    countor1 = len(v_list) - v1_count_list[1][1] - v2_count_list[0][1]
    countor2 = len(v_list) - v1_count_list[0][1] - v2_count_list[1][1]
    print(min(countor1, countor2))