Buggy python submission (verdict: Runtime Error):
import collections
 
n = int(input())
v = [int(i) for i in input().split()]
 
v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]
 
count1 = collections.Counter(v1).most_common(2)
count2 = collections.Counter(v2).most_common(2)

if count1[0][0] != count2[0][0]:
    res = len(v1) - max(count1.values()) + len(v2) - max(count2.values())
    print(res)
else:
    if len(count1) == 1:
        print(len(v1))
    else:
        res1 = len(v1) - count1[0][1] + len(v2) - count2[1][1]
        res2 = len(v1) - count1[1][1] + len(v2) - count2[0][1]
        print(min(res1,res2))


Fixed submission:
import collections
 
n = int(input())
v = [int(i) for i in input().split()]
 
v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]
 
count1 = collections.Counter(v1).most_common(2)
count2 = collections.Counter(v2).most_common(2)

if count1[0][0] != count2[0][0]:
    res = len(v1) - count1[0][1] + len(v2) - count2[0][1]
    print(res)
else:
    if len(count1) == 1:
        print(len(v1))
    else:
        res1 = len(v1) - count1[0][1] + len(v2) - count2[1][1]
        res2 = len(v1) - count1[1][1] + len(v2) - count2[0][1]
        print(min(res1,res2))

Buggy python submission (verdict: Runtime Error):
import collections
 
n = int(input())
v = [int(i) for i in input().split()]
 
v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]
 
count1 = collections.Counter(v1).most_common(2)
count2 = collections.Counter(v2).most_common(2)

if max(count1.values()) != max(count2.values()):
    res = len(v1) - max(count1.values()) + len(v2) - max(count2.values())
    print(res)
else:
    if len(count1) == 1:
        print(len(v1))
    else:
        res1 = len(v1) - count1[0][1] + len(v2) - count2[1][1]
        res2 = len(v1) - count1[1][1] + len(v2) - count2[0][1]
        print(min(res1,res2))


Fixed submission:
import collections
 
n = int(input())
v = [int(i) for i in input().split()]
 
v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]
 
count1 = collections.Counter(v1).most_common(2)
count2 = collections.Counter(v2).most_common(2)

if count1[0][0] != count2[0][0]:
    res = len(v1) - count1[0][1] + len(v2) - count2[0][1]
    print(res)
else:
    if len(count1) == 1:
        print(len(v1))
    else:
        res1 = len(v1) - count1[0][1] + len(v2) - count2[1][1]
        res2 = len(v1) - count1[1][1] + len(v2) - count2[0][1]
        print(min(res1,res2))

Buggy python submission (verdict: Runtime Error):
import collections

n = int(input())
v = [int(i) for i in input().split()]

v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]

count1 = collections.Counter(v1)
count2 = collections.Counter(v2)

if len(count1) == 1 and len(count2) == 1:
    if v1 == v2:
        print(len(v1))
    else:
        print(0)

if v1 == v2:
    res = len(v1) - max(count1.values()) + len(v2) - list(count2.values())[1]
    print(res)

else:
    res = len(v1) - max(count1.values()) + len(v2) - max(count2.values())
    print(res)

Fixed submission:
import collections
 
n = int(input())
v = [int(i) for i in input().split()]
 
v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]
 
count1 = collections.Counter(v1).most_common(2)
count2 = collections.Counter(v2).most_common(2)

if count1[0][0] != count2[0][0]:
    res = len(v1) - count1[0][1] + len(v2) - count2[0][1]
    print(res)
else:
    if len(count1) == 1:
        print(len(v1))
    else:
        res1 = len(v1) - count1[0][1] + len(v2) - count2[1][1]
        res2 = len(v1) - count1[1][1] + len(v2) - count2[0][1]
        print(min(res1,res2))

Buggy python submission (verdict: Runtime Error):
import collections

n = int(input())
v = [int(i) for i in input().split()]

v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]

count1 = collections.Counter(v1)
count2 = collections.Counter(v2)

if v1 == v2:
    print(len(v1))

elif len(count1) == 1 and len(count2) == 1:
    print(0)

else:
    res = 0
    ct1 = list(count1.values())
    ct2 = list(count2.values())

    if len(ct1) != 1:
        for i in ct1[1:]:
            res = res + ct1[i]

    if len(ct2) != 1:
        for i in ct2[1:]:
            res = res + ct2[i]
    print(res)




Fixed submission:
import collections
 
n = int(input())
v = [int(i) for i in input().split()]
 
v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]
 
count1 = collections.Counter(v1).most_common(2)
count2 = collections.Counter(v2).most_common(2)

if count1[0][0] != count2[0][0]:
    res = len(v1) - count1[0][1] + len(v2) - count2[0][1]
    print(res)
else:
    if len(count1) == 1:
        print(len(v1))
    else:
        res1 = len(v1) - count1[0][1] + len(v2) - count2[1][1]
        res2 = len(v1) - count1[1][1] + len(v2) - count2[0][1]
        print(min(res1,res2))

Buggy python submission (verdict: Runtime Error):
import collections

n = int(input())
v = [int(i) for i in input().split()]

v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]

count1 = collections.Counter(v1)
count2 = collections.Counter(v2)

if v1 == v2:
    print(len(v1))

elif len(count1) == 1 and len(count2) == 1:
    print(0)

else:
    res = 0
    ct1 = list(count1.values())
    ct2 = list(count2.values())

    for i in ct1[1:]:
        res = res + ct1[i]

    for i in ct2[1:]:
        res = res + ct2[i]
    print(res)




Fixed submission:
import collections
 
n = int(input())
v = [int(i) for i in input().split()]
 
v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]
 
count1 = collections.Counter(v1).most_common(2)
count2 = collections.Counter(v2).most_common(2)

if count1[0][0] != count2[0][0]:
    res = len(v1) - count1[0][1] + len(v2) - count2[0][1]
    print(res)
else:
    if len(count1) == 1:
        print(len(v1))
    else:
        res1 = len(v1) - count1[0][1] + len(v2) - count2[1][1]
        res2 = len(v1) - count1[1][1] + len(v2) - count2[0][1]
        print(min(res1,res2))

Buggy python submission (verdict: Runtime Error):
import collections

n = int(input())
v = [int(i) for i in input().split()]

v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]

count1 = collections.Counter(v1)
count2 = collections.Counter(v2)

if v1 == v2:
    print(len(v1))

elif len(count1) == 1 and len(count2) == 1:
    print(0)

else:
    res = 0
    ct1 = list(count1.values())
    ct2 = list(count2.values())

    for i in ct1[1:]:
        if i == 0:
            continue
        res = res + ct1[i]

    for i in ct2[1:]:
        if i == 0:
            continue
        res = res + ct2[i]
    print(res)

Fixed submission:
import collections
 
n = int(input())
v = [int(i) for i in input().split()]
 
v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]
 
count1 = collections.Counter(v1).most_common(2)
count2 = collections.Counter(v2).most_common(2)

if count1[0][0] != count2[0][0]:
    res = len(v1) - count1[0][1] + len(v2) - count2[0][1]
    print(res)
else:
    if len(count1) == 1:
        print(len(v1))
    else:
        res1 = len(v1) - count1[0][1] + len(v2) - count2[1][1]
        res2 = len(v1) - count1[1][1] + len(v2) - count2[0][1]
        print(min(res1,res2))

Buggy python submission (verdict: Runtime Error):
import collections

n = int(input())
v = [int(i) for i in input().split()]

v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]

count1 = collections.Counter(v1)
count2 = collections.Counter(v2)

if v1 == v2:
    print(len(v1))

elif len(count1) == 1 and len(count2) == 1:
    print(0)

else:
    res = 0
    ct1 = list(count1.values())
    ct2 = list(count2.values())

    for i in ct1[1:]:
        if i == 0:
            continue
        res = res + ct1[i]

    for i in ct2[1:]:
        if i == 0:
            continue
        res = res + ct2[i]
    print(res)




Fixed submission:
import collections
 
n = int(input())
v = [int(i) for i in input().split()]
 
v1 = [v[i] for i in range(0,n,2)]
v2 = [v[i] for i in range(1,n,2)]
 
count1 = collections.Counter(v1).most_common(2)
count2 = collections.Counter(v2).most_common(2)

if count1[0][0] != count2[0][0]:
    res = len(v1) - count1[0][1] + len(v2) - count2[0][1]
    print(res)
else:
    if len(count1) == 1:
        print(len(v1))
    else:
        res1 = len(v1) - count1[0][1] + len(v2) - count2[1][1]
        res2 = len(v1) - count1[1][1] + len(v2) - count2[0][1]
        print(min(res1,res2))