Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
Up = []
Down = []
for _ in range(N):
    S = input()
    L = [0]
    for __ in range(len(S)):
        if S[__] == '(':
            L.append(L[-1] + 1)
        else:
            L.append(L[-1] - 1)
    las = L[-1]
    mi = min(L)
    if las > 0:
        Up.append((mi, las))
    else:
        Down.append((mi - las, mi, las))

Up.sort(reverse=True)
Down.sort()

now = 0
for i, j in Up:
    if now + i < 0:
        print('No')
        exit()
    else:
        now += j
for _, i, j in Down:
    if now + i < 0:
        print('No')
        exit()
    else:
        now += j
if now == 0:
    print('Yes')
else:
    print('No')


Fixed submission:
N = int(input())
Up = []
Down = []
for _ in range(N):
    S = input()
    L = [0]
    mi = 0
    now = 0
    for __ in range(len(S)):
        if S[__] == '(':
            now += 1
        else:
            now -= 1
            mi = min(mi, now)
    if now > 0:
        Up.append((mi, now))
    else:
        Down.append((mi - now, mi, now))

Up.sort(reverse=True)
Down.sort()

now = 0
for i, j in Up:
    if now + i < 0:
        print('No')
        exit()
    else:
        now += j
for _, i, j in Down:
    if now + i < 0:
        print('No')
        exit()
    else:
        now += j
if now == 0:
    print('Yes')
else:
    print('No')

Buggy python submission (verdict: Runtime Error):
N = int(input())
Up = []
Down = []
for _ in range(N):
    S = input()
    L = [0]
    for __ in range(len(S)):
        if S[__] == '(':
            L.append(L[-1] + 1)
        else:
            L.append(L[-1] - 1)
        las = L[-1]
        mi = min(L)
    if las >= 0:
        Up.append((mi, las))
    else:
        Down.append((mi, las))

Up.sort(reverse=True)
Down.sort()

now = 0
for i, j in Up:
    if now + i < 0:
        print('No')
        exit()
    else:
        now += j
for i, j in Down:
    if now + i < 0:
        print('No')
        exit()
    else:
        now += j
if now == 0:
    print('Yes')
else:
    print('No')
N = int(input())
Up = []
Down = []
for _ in range(N):
    S = input()
    L = [0]
    for __ in range(len(S)):
        if S[__] == '(':
            L.append(L[-1] + 1)
        else:
            L.append(L[-1] - 1)
        las = L[-1]
        mi = min(L)
    if las >= 0:
        Up.append((mi, las))
    else:
        Down.append((mi, las))

Up.sort(reverse=True)
Down.sort()

now = 0
for i, j in Up:
    if now + i < 0:
        print('No')
        exit()
    else:
        now += j
for i, j in Down:
    if now + i < 0:
        print('No')
        exit()
    else:
        now += j
if now == 0:
    print('Yes')
else:
    print('No')


Fixed submission:
N = int(input())
Up = []
Down = []
for _ in range(N):
    S = input()
    L = [0]
    mi = 0
    now = 0
    for __ in range(len(S)):
        if S[__] == '(':
            now += 1
        else:
            now -= 1
            mi = min(mi, now)
    if now > 0:
        Up.append((mi, now))
    else:
        Down.append((mi - now, mi, now))

Up.sort(reverse=True)
Down.sort()

now = 0
for i, j in Up:
    if now + i < 0:
        print('No')
        exit()
    else:
        now += j
for _, i, j in Down:
    if now + i < 0:
        print('No')
        exit()
    else:
        now += j
if now == 0:
    print('Yes')
else:
    print('No')