Buggy python submission (verdict: Runtime Error):
import sys
n = int(input())
ss =[]
for _ in range(n):
    ss.apend(input())
cnt_p = []
cnt_m = []
for i in range(n):
    left = 0
    right = 0
    for s in ss[i]:
        if(s == '('):
            left += 1
        elif(s == ')'):
            if(left > 0):
                left -= 1
            else:
                right += 1
    if(left-right > 0):
        cnt_p.append((right,left))
    else:
        cnt_m.append((right,left))
 
 
cnt_p = sorted(cnt_p, key=lambda x: (x[0]))
cnt_m = sorted(cnt_m, key=lambda x: (x[1]*-1))
cnt = cnt_p + cnt_m
num = 0
for right,left in cnt:
    num -= right
    if(num < 0):
        print('No')
        sys.exit()
    num += left
if(num==0):
    print('Yes')
else:
    print('No')

Fixed submission:
import sys
n = int(input())
ss =[]
for _ in range(n):
    ss.append(input())
cnt_p = []
cnt_m = []
for i in range(n):
    left = 0
    right = 0
    for s in ss[i]:
        if(s == '('):
            left += 1
        elif(s == ')'):
            if(left > 0):
                left -= 1
            else:
                right += 1
    if(left-right > 0):
        cnt_p.append((right,left))
    else:
        cnt_m.append((right,left))
 
 
cnt_p = sorted(cnt_p, key=lambda x: (x[0]))
cnt_m = sorted(cnt_m, key=lambda x: (x[1]*-1))
cnt = cnt_p + cnt_m
num = 0
for right,left in cnt:
    num -= right
    if(num < 0):
        print('No')
        sys.exit()
    num += left
if(num==0):
    print('Yes')
else:
    print('No')

Buggy python submission (verdict: Runtime Error):
import sys
n=int(input())
lrp=[]
lrm=[]
def g(s):
    i = 0
    l = [0]
    for j in s:
        if j =="(":
            i += 1
        else:
            i -= 1
        l.append(i)
    return min(l),max(l)
for _ in range(n):
    s = input()
    l = s.count("(")
    r = len(s) - l
    mi,ma =g(s)
    if l>r:
        lrp.append((l,r))
    else:
        lrm.append((l,r))
    lr.append((mi,ma,l,r))
    
lrp.sort(key=lambda x:x[0])
lrm.sort(key=lambda x:-x[1])
lr=lrp+lrm
cnt = 0
for l,r in lr:
    cnt -= r
    if cnt >=0:
        cnt += l
    else:
        print("No")
        sys.exit()
if cnt !=0:
    print("No")
else:
    print("Yes")

Fixed submission:
import sys
n = int(input())
ss =[]
for _ in range(n):
    ss.append(input())
cnt_p = []
cnt_m = []
for i in range(n):
    left = 0
    right = 0
    for s in ss[i]:
        if(s == '('):
            left += 1
        elif(s == ')'):
            if(left > 0):
                left -= 1
            else:
                right += 1
    if(left-right > 0):
        cnt_p.append((right,left))
    else:
        cnt_m.append((right,left))
 
 
cnt_p = sorted(cnt_p, key=lambda x: (x[0]))
cnt_m = sorted(cnt_m, key=lambda x: (x[1]*-1))
cnt = cnt_p + cnt_m
num = 0
for right,left in cnt:
    num -= right
    if(num < 0):
        print('No')
        sys.exit()
    num += left
if(num==0):
    print('Yes')
else:
    print('No')

Buggy python submission (verdict: Runtime Error):
import sys
n=int(input())
lr=[]
def g(s):
    i = 0
    l = [0]
    for j in s:
        if j =="(":
            i += 1
        else:
            i -= 1
        l.append(i)
    return min(l),max(l)
for _ in range(n):
    s = input()
    l = s.count("(")
    r = len(s) - l
    l_sum += l
    r_sum += r
    mi,ma =g(s)
    lr.append((mi,ma,l,r))
    
cnt = 0
for mi,ma,l,r in lr:
    #print(cnt)
    if cnt+mi>=0:
        cnt += (l-r)
    else:
        print("No")
        sys.exit()
if cnt !=0:
    print("No")
else:
    print("Yes")

Fixed submission:
import sys
n = int(input())
ss =[]
for _ in range(n):
    ss.append(input())
cnt_p = []
cnt_m = []
for i in range(n):
    left = 0
    right = 0
    for s in ss[i]:
        if(s == '('):
            left += 1
        elif(s == ')'):
            if(left > 0):
                left -= 1
            else:
                right += 1
    if(left-right > 0):
        cnt_p.append((right,left))
    else:
        cnt_m.append((right,left))
 
 
cnt_p = sorted(cnt_p, key=lambda x: (x[0]))
cnt_m = sorted(cnt_m, key=lambda x: (x[1]*-1))
cnt = cnt_p + cnt_m
num = 0
for right,left in cnt:
    num -= right
    if(num < 0):
        print('No')
        sys.exit()
    num += left
if(num==0):
    print('Yes')
else:
    print('No')