Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split(' ')))


a = sorted(a, reverse=True)
count = 0
edge = []
i = 0
for i in range(n-1):
    if a[i] == a[i+1]:
        count = count + 1
        edge.append(a[i])
        i = i + 1
        if count == 2:
            break

s = edge[0]*edge[1] if count == 2 else 0
print(s)

Fixed submission:
n = int(input())
a = list(map(int, input().split()))

a = sorted(a, reverse=True)

count = 0
edge = []

i = 0
for _ in range(n-1):
    if a[i] == a[i+1]:
        count = count + 1
        edge.append(a[i])
        i = i + 1
        if count == 2:
            break
    i = i + 1

s = edge[0]*edge[1] if count == 2 else 0
print(s)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = list(map(int, input().split(' ')))
rect_long = 0
rect_small = 0
while A != []:
    long_max = max(A)
    if A.count(long_max) >= 2:
        rect_long += long_max
        A.remove(long_max)
        A.remove(long_max)
        break
    A.remove(long_max)

while A != []:
    small_max = max(A)
    if A.count(small_max) >= 2:
        rect_small += small_max
        break
    A.remove(small_max)

print(rect_long * rect_small)

Fixed submission:
n = int(input())
a = list(map(int, input().split()))

a = sorted(a, reverse=True)

count = 0
edge = []

i = 0
for _ in range(n-1):
    if a[i] == a[i+1]:
        count = count + 1
        edge.append(a[i])
        i = i + 1
        if count == 2:
            break
    i = i + 1

s = edge[0]*edge[1] if count == 2 else 0
print(s)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split(' ')))
rect_long = 0
rect_small = 0
while A != []:
    long_max = max(A)
    if A.count(long_max) >= 2:
        rect_long += long_max
        A.remove(long_max)
        A.remove(long_max)
        break
	A.remove(long_max)

while A != []:
    small_max = max(A)
    if A.count(small_max) >= 2:
        rect_small += small_max
        break
    A.remove(small_max)

print(rect_long * rect_small)

Fixed submission:
n = int(input())
a = list(map(int, input().split()))

a = sorted(a, reverse=True)

count = 0
edge = []

i = 0
for _ in range(n-1):
    if a[i] == a[i+1]:
        count = count + 1
        edge.append(a[i])
        i = i + 1
        if count == 2:
            break
    i = i + 1

s = edge[0]*edge[1] if count == 2 else 0
print(s)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = list(map(int, input().split(' ')))
rect_long = 0
rect_small = 0
while A != []:
    long_max = max(A)
    if A.count(long_max) >= 2:
        rect_long += long_max
        A.remove(long_max)
        A.remove(long_max)
        break
    else:
        A.remove(long_max)

while A != []:
    small_max = max(A)
    if A.count(small_max) >= 2:
        rect_small += small_max
        break
    A.remove(small_max)

print(rect_long * rect_small)

Fixed submission:
n = int(input())
a = list(map(int, input().split()))

a = sorted(a, reverse=True)

count = 0
edge = []

i = 0
for _ in range(n-1):
    if a[i] == a[i+1]:
        count = count + 1
        edge.append(a[i])
        i = i + 1
        if count == 2:
            break
    i = i + 1

s = edge[0]*edge[1] if count == 2 else 0
print(s)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split(' ')))
rect_long = 0
rect_small = 0
while rect_long == 0:
    a_max = max(A)
    if A.count(a_max) >= 2:
        rect_long += a_max
    elif A.count(a_max) >= 4:
        rect_small += a_max
    A.remove(a_max)

while rect_small == 0:
    b_max = max(A)
    if A.count(b_max) >= 2:
        rect_small += b_max
    A.remove(b_max)

print(rect_long * rect_small)

Fixed submission:
n = int(input())
a = list(map(int, input().split()))

a = sorted(a, reverse=True)

count = 0
edge = []

i = 0
for _ in range(n-1):
    if a[i] == a[i+1]:
        count = count + 1
        edge.append(a[i])
        i = i + 1
        if count == 2:
            break
    i = i + 1

s = edge[0]*edge[1] if count == 2 else 0
print(s)