Buggy python submission (verdict: Runtime Error):
GI = lambda: int(input()); GIS = lambda: map(int, input().split()); LGIS = lambda: list(GIS())

def main():
    GI()
    CEIL = 10 ** 18

    xs = LGIS()

    prod = 1
    for x in GIS():
        prod *= x
        if prod > CEIL:
            prod = -1
            break

    if prod == -1:
        print(0 if 0 in xs else -1)
    else:
        print(prod)

main()


Fixed submission:
GI = lambda: int(input()); GIS = lambda: map(int, input().split()); LGIS = lambda: list(GIS())

def main():
    GI()
    CEIL = 10 ** 18

    xs = LGIS()

    prod = 1
    for x in xs:
        prod *= x
        if prod > CEIL:
            prod = -1
            break

    if prod == -1:
        print(0 if 0 in xs else -1)
    else:
        print(prod)

main()

Buggy python submission (verdict: Time Limit Exceeded):
GI = lambda: int(input()); GIS = lambda: map(int, input().split()); LGIS = lambda: list(GIS())

def main():
    GI()
    CEIL = 10 ** 18

    prod = 1
    for x in GIS():
        prod *= x
        if prod > CEIL:
            prod = -1
    print(max(prod, -1))

main()


Fixed submission:
GI = lambda: int(input()); GIS = lambda: map(int, input().split()); LGIS = lambda: list(GIS())

def main():
    GI()
    CEIL = 10 ** 18

    xs = LGIS()

    prod = 1
    for x in xs:
        prod *= x
        if prod > CEIL:
            prod = -1
            break

    if prod == -1:
        print(0 if 0 in xs else -1)
    else:
        print(prod)

main()

Buggy python submission (verdict: Time Limit Exceeded):
GI = lambda: int(input()); GIS = lambda: map(int, input().split()); LGIS = lambda: list(GIS())

def main():
    GI()
    CEIL = 10 ** 18

    prod = 1
    for x in GIS():
        prod *= x
    if prod > CEIL:
        prod = -1
    print(prod)

main()


Fixed submission:
GI = lambda: int(input()); GIS = lambda: map(int, input().split()); LGIS = lambda: list(GIS())

def main():
    GI()
    CEIL = 10 ** 18

    xs = LGIS()

    prod = 1
    for x in xs:
        prod *= x
        if prod > CEIL:
            prod = -1
            break

    if prod == -1:
        print(0 if 0 in xs else -1)
    else:
        print(prod)

main()

Buggy python submission (verdict: Runtime Error):
GI = lambda: int(input()); GIS = lambda: map(int, input().split()); LGIS = lambda: list(GIS())

def main():
    GI()
    CEIL = 10 ** 18

    prod = GI()
    for x in GIS():
        prod *= x
        if prod > CEIL:
            prod = -1
            break
    print(prod)

main()


Fixed submission:
GI = lambda: int(input()); GIS = lambda: map(int, input().split()); LGIS = lambda: list(GIS())

def main():
    GI()
    CEIL = 10 ** 18

    xs = LGIS()

    prod = 1
    for x in xs:
        prod *= x
        if prod > CEIL:
            prod = -1
            break

    if prod == -1:
        print(0 if 0 in xs else -1)
    else:
        print(prod)

main()

Buggy python submission (verdict: Time Limit Exceeded):
def t():
    N = int(input())
    A = list(map(int, input().split()))
    T = 1
    for i in A:
        T *= i
    if T > 10 ** 18:
        print(-1)
    else:
        print(T)

t()

Fixed submission:
def t():
    N = int(input())
    A = list(map(int, input().split()))
    T = 1
    if 0 in A:
        return 0
    for i in A:
        T *= i
        if T > 10 ** 18:
            return -1
    return T
print(t())

Buggy python submission (verdict: Runtime Error):
def t()
    N = int(input())
    A = list(map(int, input().split()))
    T = 1
    for i in A:
        T *= i
    if T > 10 ** 18:
        print(-1)
    else:
        print(T)

t()

Fixed submission:
def t():
    N = int(input())
    A = list(map(int, input().split()))
    T = 1
    if 0 in A:
        return 0
    for i in A:
        T *= i
        if T > 10 ** 18:
            return -1
    return T
print(t())

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = list(map(int, input().split()))
T = 1
for i in A:
    T *= i
if T > 10 ** 18:
    print(-1)
else:
    print(T)

Fixed submission:
def t():
    N = int(input())
    A = list(map(int, input().split()))
    T = 1
    if 0 in A:
        return 0
    for i in A:
        T *= i
        if T > 10 ** 18:
            return -1
    return T
print(t())