Buggy python submission (verdict: Time Limit Exceeded):
from itertools import chain

def main():
    N = int(input())
    S = list(input().strip() for _ in range(N))
    print(solve(S))

def get_count(s):
    result = [0, 0]
    cum_sum = 0
    for c in s:
        if c == ')':
            cum_sum -= 1
        else:
            cum_sum += 1
        result[0] = max(result[0], -cum_sum)
    result[1] = result[0] + cum_sum
    return result

# Made-up name, don't remember what to call this. Radix-ish
def silly_sort(array, value_min, value_max, get_value):
    if len(array) == 0:
        return
    cache = [None for _ in range(value_max - value_min + 1)]
    for elem in array:
        # Assume elem[0] is the value
        value = get_value(elem) - value_min
        if cache[value] is None:
            cache[value] = []
        cache[value].append(elem)
    for values in cache:
        if values is None:
            continue
        for value in values:
            yield value

def solve(S):
    counts = list(map(get_count, S))
    first_group = []
    second_group = []
    min_first_group = float('inf')
    max_first_group = 0
    min_second_group = float('inf')
    max_second_group = 0

    for c in counts:
        if c[0] - c[1] <= 0:
            first_group.append(c)
            max_first_group = max(max_first_group, c[0])
            min_first_group = min(min_first_group, c[0])
        else:
            second_group.append(c)
            max_second_group = max(max_second_group, c[1])
            min_second_group = min(min_first_group, c[1])
    first_group = silly_sort(first_group, min_first_group, max_first_group, lambda c: c[0])
    second_group = reversed(list(silly_sort(second_group, min_second_group, max_second_group, lambda c: c[1])))

    order = chain(first_group, second_group)


    cum_sum = 0
    for c in order:
        cum_sum -= c[0]
        if cum_sum < 0:
            return 'No'
        cum_sum += c[1]
    if cum_sum == 0:
        return 'Yes'
    return 'No'

if __name__ == '__main__':
    main()


Fixed submission:
from itertools import chain
import sys

def main():
    N = int(input())
    # TLEs were caused mostly by slow input (1s+)
    # S = list(input() for _ in range(N))
    S = sys.stdin.read().split('\n')
    print(solve(S))

def get_count(args):
    s, result = args # messy input to work with map.
    cum_sum = 0
    for c in s:
        if c == ')':
            cum_sum -= 1
        else:
            cum_sum += 1
        result[0] = max(result[0], -cum_sum)
    result[1] = result[0] + cum_sum
    return result

# Made-up name, don't remember what to call this. Radix-ish
def silly_sort(array, value_min, value_max, get_value):
    if len(array) == 0:
        return
    cache = [None for _ in range(value_max - value_min + 1)]
    for elem in array:
        # Assume elem[0] is the value
        value = get_value(elem) - value_min
        if cache[value] is None:
            cache[value] = []
        cache[value].append(elem)
    for values in cache:
        if values is None:
            continue
        for value in values:
            yield value

def solve(S):
    counts = [[0,0] for _ in range(len(S))]
    counts = list(map(get_count, zip(S,counts)))
    first_group = []
    second_group = []
    min_first_group = float('inf')
    max_first_group = 0
    min_second_group = float('inf')
    max_second_group = 0

    for c in counts:
        if c[0] - c[1] <= 0:
            first_group.append(c)
            max_first_group = max(max_first_group, c[0])
            min_first_group = min(min_first_group, c[0])
        else:
            second_group.append(c)
            max_second_group = max(max_second_group, c[1])
            min_second_group = min(min_first_group, c[1])
    first_group = silly_sort(first_group, min_first_group, max_first_group, lambda c: c[0])
    second_group = reversed(list(silly_sort(second_group, min_second_group, max_second_group, lambda c: c[1])))

    order = chain(first_group, second_group)

    cum_sum = 0
    for c in order:
        cum_sum -= c[0]
        if cum_sum < 0:
            return 'No'
        cum_sum += c[1]
    if cum_sum == 0:
        return 'Yes'
    return 'No'

if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
def main():
    N = int(input())
    S = list(input().strip() for _ in range(N))
    print(solve(S))

def get_count(s):
    result = [0, 0]
    cum_sum = 0
    for c in s:
        if c == ')':
            cum_sum -= 1
        else:
            cum_sum += 1
        result[0] = max(result[0], -cum_sum)
    result[1] = result[0] + cum_sum
    return result

def solve(S):
    counts = list(map(get_count, S))
    first_groups = sorted(filter(lambda c: c[0] - c[1] <= 0, counts), key=lambda c: c[0])
    second_groups = sorted(filter(lambda c: c[0] - c[1] > 0, counts), key=lambda c: -c[1])
    order = first_groups + second_groups

    cum_sum = 0
    for c in order:
        cum_sum -= c[0]
        if cum_sum < 0:
            return 'No'
        cum_sum += c[1]
    if cum_sum == 0:
        return 'Yes'
    return 'No'

if __name__ == '__main__':
    main()


Fixed submission:
from itertools import chain
import sys

def main():
    N = int(input())
    # TLEs were caused mostly by slow input (1s+)
    # S = list(input() for _ in range(N))
    S = sys.stdin.read().split('\n')
    print(solve(S))

def get_count(args):
    s, result = args # messy input to work with map.
    cum_sum = 0
    for c in s:
        if c == ')':
            cum_sum -= 1
        else:
            cum_sum += 1
        result[0] = max(result[0], -cum_sum)
    result[1] = result[0] + cum_sum
    return result

# Made-up name, don't remember what to call this. Radix-ish
def silly_sort(array, value_min, value_max, get_value):
    if len(array) == 0:
        return
    cache = [None for _ in range(value_max - value_min + 1)]
    for elem in array:
        # Assume elem[0] is the value
        value = get_value(elem) - value_min
        if cache[value] is None:
            cache[value] = []
        cache[value].append(elem)
    for values in cache:
        if values is None:
            continue
        for value in values:
            yield value

def solve(S):
    counts = [[0,0] for _ in range(len(S))]
    counts = list(map(get_count, zip(S,counts)))
    first_group = []
    second_group = []
    min_first_group = float('inf')
    max_first_group = 0
    min_second_group = float('inf')
    max_second_group = 0

    for c in counts:
        if c[0] - c[1] <= 0:
            first_group.append(c)
            max_first_group = max(max_first_group, c[0])
            min_first_group = min(min_first_group, c[0])
        else:
            second_group.append(c)
            max_second_group = max(max_second_group, c[1])
            min_second_group = min(min_first_group, c[1])
    first_group = silly_sort(first_group, min_first_group, max_first_group, lambda c: c[0])
    second_group = reversed(list(silly_sort(second_group, min_second_group, max_second_group, lambda c: c[1])))

    order = chain(first_group, second_group)

    cum_sum = 0
    for c in order:
        cum_sum -= c[0]
        if cum_sum < 0:
            return 'No'
        cum_sum += c[1]
    if cum_sum == 0:
        return 'Yes'
    return 'No'

if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
def main():
    N = int(input())
    S = list(input().strip() for _ in range(N))
    print(solve(S))

class LRCount:
    def __init__(self):
        self.left_open = 0
        self.right_open = 0
    def __repr__(self):
        return str((self.left_open, self.right_open))
    def lrdiff(self):
        return self.left_open - self.right_open

def get_count(s):
    result = LRCount()
    cum_sum = 0
    for c in s:
        if c == ')':
            cum_sum -= 1
        else:
            cum_sum += 1
        result.left_open = max(result.left_open, -cum_sum)
    cum_sum = 0
    for c in s[::-1]:
        if c == '(':
            cum_sum -= 1
        else:
            cum_sum += 1
        result.right_open = max(result.right_open, -cum_sum)
    return result

def solve(S):
    counts = list(map(get_count, S))
    first_groups = sorted(filter(lambda c: c.lrdiff() <= 0, counts), key=lambda c: c.left_open)
    second_groups = sorted(filter(lambda c: c.lrdiff() > 0, counts), key=lambda c: -c.right_open)
    cum_sum = 0
    order = first_groups + second_groups
    cum_sum = 0
    for c in order:
        cum_sum -= c.left_open
        if cum_sum < 0:
            return 'No'
        cum_sum += c.right_open
    if cum_sum == 0:
        return 'Yes'
    return 'No'

if __name__ == '__main__':
    main()


Fixed submission:
from itertools import chain
import sys

def main():
    N = int(input())
    # TLEs were caused mostly by slow input (1s+)
    # S = list(input() for _ in range(N))
    S = sys.stdin.read().split('\n')
    print(solve(S))

def get_count(args):
    s, result = args # messy input to work with map.
    cum_sum = 0
    for c in s:
        if c == ')':
            cum_sum -= 1
        else:
            cum_sum += 1
        result[0] = max(result[0], -cum_sum)
    result[1] = result[0] + cum_sum
    return result

# Made-up name, don't remember what to call this. Radix-ish
def silly_sort(array, value_min, value_max, get_value):
    if len(array) == 0:
        return
    cache = [None for _ in range(value_max - value_min + 1)]
    for elem in array:
        # Assume elem[0] is the value
        value = get_value(elem) - value_min
        if cache[value] is None:
            cache[value] = []
        cache[value].append(elem)
    for values in cache:
        if values is None:
            continue
        for value in values:
            yield value

def solve(S):
    counts = [[0,0] for _ in range(len(S))]
    counts = list(map(get_count, zip(S,counts)))
    first_group = []
    second_group = []
    min_first_group = float('inf')
    max_first_group = 0
    min_second_group = float('inf')
    max_second_group = 0

    for c in counts:
        if c[0] - c[1] <= 0:
            first_group.append(c)
            max_first_group = max(max_first_group, c[0])
            min_first_group = min(min_first_group, c[0])
        else:
            second_group.append(c)
            max_second_group = max(max_second_group, c[1])
            min_second_group = min(min_first_group, c[1])
    first_group = silly_sort(first_group, min_first_group, max_first_group, lambda c: c[0])
    second_group = reversed(list(silly_sort(second_group, min_second_group, max_second_group, lambda c: c[1])))

    order = chain(first_group, second_group)

    cum_sum = 0
    for c in order:
        cum_sum -= c[0]
        if cum_sum < 0:
            return 'No'
        cum_sum += c[1]
    if cum_sum == 0:
        return 'Yes'
    return 'No'

if __name__ == '__main__':
    main()