Problem p03673 (python)

Fixed submission:
#!/usr/bin/env python3
import sys


def solve_naive(n: int, a: "List[int]"):
    b = list()
    for i in range(n):
        b.append(str(a[i]))
        b.reverse()
    print(" ".join(b))
    return

def solve_(n: int, a: "List[int]"):
    a = list(map(str, a))
    b = list()
    for i in range(n):
        if i % 2 == 0:
            # push
            b.insert(0, a[i])
        else:
            # append
            b.append(a[i])
    if n % 2 == 0:
        b.reverse()
    print(" ".join(b))
    return

def solve__(n: int, a: "List[int]"):
    a = list(map(str, a))
    b = list()
    for i in range(n):
        if i % 2 == (n-1) % 2:
            # push
            b.insert(0, a[i])
        else:
            # append
            b.append(a[i])
    print(" ".join(b))
    return

def solve___(n: int, a: "List[int]"):
    b = list()
    for i in range(n):
        if i % 2 == (n-1) % 2:
            # push
            b.insert(0, a[i])
        else:
            # append
            b.append(a[i])
    print(*b)
    return

def solve(n: int, a: "List[int]"):
    import collections
    b = collections.deque()
    for i in range(n):
        if i % 2 == (n-1) % 2:
            # push
            b.appendleft(a[i])
        else:
            # append
            b.append(a[i])
    print(*b)
    return

# Generated by 1.1.4 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    n = int(next(tokens))  # type: int
    a = [ int(next(tokens)) for _ in range(n) ]  # type: "List[int]"
    solve(n, a)

if __name__ == '__main__':
    main()

Buggy submission (verdict: Runtime Error):
#!/usr/bin/env python3
import sys


def solve_naive(n: int, a: "List[int]"):
    b = list()
    for i in range(n):
        b.append(str(a[i]))
        b.reverse()
    print(" ".join(b))
    return

def solve_(n: int, a: "List[int]"):
    a = list(map(str, a))
    b = list()
    for i in range(n):
        if i % 2 == 0:
            # push
            b.insert(0, a[i])
        else:
            # append
            b.append(a[i])
    if n % 2 == 0:
        b.reverse()
    print(" ".join(b))
    return

def solve__(n: int, a: "List[int]"):
    a = list(map(str, a))
    b = list()
    for i in range(n):
        if i % 2 == (n-1) % 2:
            # push
            b.insert(0, a[i])
        else:
            # append
            b.append(a[i])
    print(" ".join(b))
    return

def solve___(n: int, a: "List[int]"):
    b = list()
    for i in range(n):
        if i % 2 == (n-1) % 2:
            # push
            b.insert(0, a[i])
        else:
            # append
            b.append(a[i])
    print(*b)
    return

def solve(n: int, a: "List[int]"):
    print(*a[::-2],*a[n%2::2])

# Generated by 1.1.4 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    n = int(next(tokens))  # type: int
    a = [ int(next(tokens)) for _ in range(n) ]  # type: "List[int]"
    solve(n, a)

if __name__ == '__main__':
    main()