qyliang/CodeNanoFix huggingface dataset:
Buggy code:
N  = int(input())
a = 0
for i in range(N):
    l, r = map(int, input().split())
    ans += r - l + 1
print(a)  

Fixed code:
N  = int(input())
a = 0
for i in range(N):
    l, r = map(int, input().split())
    a += r - l + 1
print(a)
Buggy code:
N = int(input())
ans = 0
for i in range(N):
    l, r = input().split()
    ans += (r - l) + 1
print(ans)

Fixed code:
N = int(input())
ans = 0
for i in range(N):
    l, r = map(int, input().split())
    ans += (r - l) + 1
print(ans)
Buggy code:
l = [0] * n
r = [0] * n
for i in range(n):
    l[i],r[i] = map(int, input().split())
res = 0

for i in range(n):
  res += r[i]-l[i]+1

print(res)

Fixed code:
n = int(input())
l = [0] * n
r = [0] * n
for i in range(n):
    l[i],r[i] = map(int, input().split())
res = 0

for i in range(n):
  res += r[i]-l[i]+1

print(res)
Buggy code:
# coding:utf-8

n=input()
sum=0
for i in range(1, n):
    l_r=input()
    l=int(l_r.split(" ")[0])
    r=int(l_r.split(" ")[1])
    sum+=r-l+1


Fixed code:
# coding:utf-8

n=int(input())
sum=0
for i in range(0, n):
    l_r=input()
    l=int(l_r.split(" ")[0])
    r=int(l_r.split(" ")[1])
    sum+=r-l+1

print(sum)
Buggy code:
N = int(input())
a=[list(map(int,input().split())) for i in range(N)]
count = 0

for i in range(N+1):
  count += a[i][1] - a[i][0] + 1
  
print(count)
  


Fixed code:
N = int(input())
a=[list(map(int,input().split())) for i in range(N)]
count = 0

for i in range(N):
  count += a[i][1] - a[i][0] + 1
  
print(count)
Buggy code:
n = input()
ans = 0
for i in range(n):
    l, r = map(int, (input().split()))
    ans += r - l + 1
print(ans)

Fixed code:
n = int(input())
ans = 0
                                                                                                                  
for i in range(n):
    l, r = map(int, input().split())
    ans += r - l + 1

print(ans)
Buggy code:
a = input()
d = 0
for x in range(a):
    b ,c = map(int,input().split())
    d = c-b+1
print(d)

Fixed code:
a =int( input())
d = 0

for x in range(a):
    b ,c = map(int,input().split())
    d += c-b+1
print(d)
Buggy code:
INT = lambda: int(input())
INTM = lambda: map(int,input().split())
STRM = lambda: map(str,input().split())
STR = lambda: str(input())
LIST = lambda: list(map(int,input().split()))
LISTS = lambda: list(map(str,input().split()))
def do():
    n=INT()
    ans=0
    for i n range(n):
        l,r=INTM()
        ans+=r-l+1
    print(ans)
if __name__ == '__main__':
    do()

Fixed code:
INT = lambda: int(input())
INTM = lambda: map(int,input().split())
STRM = lambda: map(str,input().split())
STR = lambda: str(input())
LIST = lambda: list(map(int,input().split()))
LISTS = lambda: list(map(str,input().split()))
def do():
    n=INT()
    ans=0
    for i in range(n):
        l,r=INTM()
        ans+=r-l+1
    print(ans)
if __name__ == '__main__':
    do()
Buggy code:
n = int(input)
s=0
for i in range(n):
  s,e = map(int,input().split())
  s += e-s+1
print(s)

Fixed code:
n = int(input())
c=0
for i in range(n):
    s,e = map(int,input().split())
    c += e-s+1
print(c)
Buggy code:
lst = [[int(i) for i in input().split()] for _ in range(n)]
p = 0
for i in lst:
  p += i[1] - i[0] + 1
print(p)

Fixed code:
n = int(input())
lst = [[int(i) for i in input().split()] for _ in range(n)]
p = 0
for i in lst:
  p += i[1] - i[0] + 1
print(p)
Buggy code:
N = int(input())
cnt=0
for _ in range(N):
  l,r = map(int,input())
  cnt+=(1+(r-l))
print(cnt)

Fixed code:
N = int(input())
cnt=0
for _ in range(N):
  l,r = map(int,input().split())
  cnt+=(1+(r-l))
print(cnt)
Buggy code:
n = int(input())
res = 0
for i in range(n):
  l, r = map(int, input().split())
  res = r - l + 1
print(res)

Fixed code:
n = int(input())
res = 0
for i in range(n):
  l, r = map(int, input().split())
  res += r - l + 1
print(res)
Buggy code:
n = int(input())
list_score = [ list(map(int,input().split(" "))) for i in range(n)]
ans = 0
for i,j in list_score:
    ans = j-i+1
print(ans)

Fixed code:
n = int(input())
list_score = [ list(map(int,input().split(" "))) for i in range(n)]
ans = 0
for i,j in list_score:
    ans += j-i+1
print(ans)
Buggy code:
N = int(input())
total = 0
for i in range(N):
  l, r = map(int, input().split())
  total += l - r + 1
print(total)

Fixed code:
N = int(input())
total = 0
for i in range(N):
  l, r = map(int, input().split())
  total += r - l + 1
print(total)
Buggy code:
N=int(input())
res=0
for n in N:
  l,r=[int(x) for x in input().split()]
  res+=r-l+1
else:
  print(res)

Fixed code:
N=int(input())
res=0
for n in range(N):
  l,r=[int(x) for x in input().split()]
  res+=r-l+1
else:
  print(res)
Buggy code:
ans = 0
for i in range(int(input())):
  r1, r2 = input().sprit()
  ans += r2 - r1 + 1
print(ans)

Fixed code:
ans = 0
for i in range(int(input())):
  r1, r2 = input().split()
  ans += int(r2) - int(r1) + 1
print(ans)
Buggy code:
N = int(input())

count = 0

for i in range(N):
    l, r = map(int, input().split())
    count = count + (r-l)

print(count)


Fixed code:
N = int(input())

count = 0

for i in range(N):
    l, r = map(int, input().split())
    count = count + (r-l) + 1

print(count)
Buggy code:
n=int(input())
out=0
for i in (n):
  n,m=map(int,input().split())
  out+=m-n+1
print(out)

Fixed code:
n=int(input())
out=0
for i in range(n):
  a,m=map(int,input().split())
  out+=m-a+1
print(out)
Buggy code:
N=int(input())
ans=0
for i in range(N):
    a,b=[k for k in input().split()]
    ans+=b-a+1
print(ans)

Fixed code:
N=int(input())
ans=0
for i in range(N):
    a,b=[int(k) for k in input().split()]
    ans+=b-a+1
print(ans)
Buggy code:

def aaa(seat_list):
	return seat_list[len(seat_list)-1] - seat_list[0]+1

value = int(input())
people = 0
# while True:
# 	try:
# 		seat = input()
# 		if seat:
# 			string_seat = seat.split()
# 			seat_list = []
# 			seat_list = [int(x) for x in (string_seat)]
# 			people += aaa(seat_list)
# 	except EOFError:
# 		break
while True:
	seat = input()
	if seat:
		string_seat = seat.split()
		seat_list = []
		seat_list = [int(x) for x in (string_seat)]
		people += aaa(seat_list)
		print(people)
	else:
		break
print(people)


Fixed code:
value = int(input())
people = 0
while True:
	try:
		seat = input()
		if seat:
			string_seat = seat.split()
			seat_list = []
			seat_list = [int(x) for x in (string_seat)]
			people += seat_list[len(seat_list)-1] - seat_list[0]+1
	except EOFError:
		break
# while True:
# 	seat = input()
# 	if seat:
# 		string_seat = seat.split()
# 		seat_list = []
# 		seat_list = [int(x) for x in (string_seat)]
# 		people += aaa(seat_list)
# 	else:
# 		break
print(people)
Buggy code:
n, a = int(input()), 0
for i in range(n):
  l, r = int(input().split())
  a += r - l + 1
print(a)

Fixed code:
n, a = int(input()), 0
for i in range(n):
  l, r = map(int,input().split())
  a += r - l + 1
print(a)
Buggy code:
N = int(input())
s = 0
for i in range(N):
  l, r = map(int, input().split())
  s = s + 1 + (l-r)
print(s)

Fixed code:
N = int(input())
total = 0
for i in range(N):
    l,r = map(int, input().split())
    total += (r - l + 1)
print(total)
Buggy code:
N = input()
seat = 100000
for _ in range(N):
    l,r = map(int,input().split())
     seat -= r - l + 1
print(seat)

Fixed code:
N = int(input())
seat = 0
for _ in range(N):
    l,r = map(int,input().split())
    seat += r - l + 1
print(seat)
Buggy code:
N=int(input())
ans=0
for i in range(N):
    l,r=map(int, input().split())
    ans+=l-r+1
print(ans)

Fixed code:
N = int(input())
ans = 0

for i in range(N):
    l, r = map(int, input().split())
    ans += r-l+1

print(ans)
Buggy code:
N=int(input())
ans=0
for _ in range(N):
  l,r=map(int,input().split())
  ans+=(r-l+1)

Fixed code:
N=int(input())
ans=0
for _ in range(N):
  l,r=map(int,input().split())
  ans+=(r-l+1)
print(ans)
Buggy code:
n=int(input())
ans=0
for i in range(n):
  l[i],r[i]=map(int,input().split())
  ans+=r[i]-l[i]+1
print(ans)


Fixed code:
n=int(input())
ans=0
for i in range(n):
  l,r=map(int,input().split())
  ans+=r-l+1
print(ans)
Buggy code:
n=int(input())
num = 0
for i in range(N):
  a,b=map(int, input().split())
  num = num + b - a + 1
print(num)

Fixed code:
n=int(input())
num = 0
for i in range(n):
  a,b=map(int, input().split())
  num = num + b - a + 1
print(num)
Buggy code:
n = int(input())
lr = [list(map(int, input().split())) for _ in range(n)]
print(sum([i[1] -1[0] + 1 for i in lr]))

Fixed code:
n = int(input())
lr = [list(map(int, input().split())) for _ in range(n)]
print(sum([i[1] -i[0] + 1 for i in lr]))
Buggy code:
N = int(input())
counter = 0
for i in range(N)
	l,n = map(int,input().split())
 	counter += (n - l + 1)
print(counter)

Fixed code:
N = int(input())
counter = 0
for i in range(N):
 l,n = map(int,input().split())
 counter += (n-l+1)
print(counter)
Buggy code:
n = int(input())
x = 0
for i in range(n):
  a, b = map(int, input().split())
  x += a - b +1
print(x)

Fixed code:
n = int(input())
x = 0
for i in range(n):
  a, b = map(int, input().split())
  x += b-a +1
print(x)
Buggy code:
n = int(input())
ans = 0
for i in range(n):
    a, b = list(map(int, input().split))
    ans = b - a +1
print(ans)

Fixed code:
n = int(input())
ans = 0
for i in range(n):
    a, b = list(map(int, input().split()))
    ans += b - a +1
print(ans)
Buggy code:
N = int(input())
ans = N
for i in range(N):
    a,b = map(int,input())
    ans += b - a
print(ans)

Fixed code:
N = int(input())
ans = N
for i in range(N):
    a,b = map(int,input().split())
    ans += b - a
print(ans)
Buggy code:
n = int(input())
L = []
R = []
for _ in range(n):
    l, r = map(int, input().split())
    L.append(l)
    R.append(r)

ans = 0
for i in range(n):
    ans += R[i] - L[i]

print(ans) 

Fixed code:
n = int(input())
L = []
R = []
for _ in range(n):
    l, r = map(int, input().split())
    L.append(l)
    R.append(r)

ans = 0
for i in range(n):
    ans += R[i] - L[i] + 1

print(ans)
Buggy code:
x,*y=map(int,open(0).read().split())
print(sum(y[0::2]-y[1::2])+x)

Fixed code:
x,*y=map(int,open(0).read().split())
print(sum(y[1::2])-sum(y[0::2])+x)
Buggy code:
N = int(input())
a = []

for i in range(N):
    a,b = map(int,input().split())
    sa = b-a+1
    a.append(sa)
    
print(sum(a))

Fixed code:
N = int(input())
a = []

for i in range(N):
    x,b = map(int,input().split())
    sa = b-x+1
    a.append(sa)
    

print(sum(a))
Buggy code:
n = int(input())
lr = [int(i) for i in input().split()]

ans = 0

for i in range(n):
  ans += lr[i][1] -lr[i][0] +1
  
  
print(ans)

Fixed code:
n = int(input())
lr = [[int(i) for i in input().split()] for _ in range(n)]

ans = 0

for i in range(n):
  ans += (lr[i][1] - lr[i][0]) +1
  
  
print(ans)
Buggy code:
N=int(input())

ans=0

for i in range(N):
  l,r=map(int,input().split())
  ans+=l-r+1

print(ans)

Fixed code:
n = int(input())
ans = 0
for i in range(n):
    l, r = map(int,input().split())
    ans += (r - l + 1)

print(ans)
Buggy code:
n=int(input())
lr=[list(map(int,input().split())) for i in range(n)]
ans=0
for i in lr:
  ans += r-l+1
print(ans)

Fixed code:
n=int(input())
lr=[list(map(int,input().split())) for i in range(n)]
ans=0
for i in lr:
  ans += i[1]-i[0]+1
print(ans)
Buggy code:
n = int(input())
s = 0
for i in range(n):
    a = list(input().split())

l = [0]
r = [0]
for m in range(n):
    l.append(a[m][0])
    r.append(a[m][1])

for p in range(1,n+1):
    s += int(r[p])-int(l[p])+1

print(s)

Fixed code:
n = int(input())
s = 0
a = [input().split() for i in range(n)]

l = [0]
r = [0]
for m in range(n):
    l.append(a[m][0])
    r.append(a[m][1])

for p in range(1,n+1):
    s += int(r[p])-int(l[p])+1

print(s)
Buggy code:
n=int(input())
ans=0
for i in range(n):
  r,l=int(i) for i in input().split()
  ans+=l-r+1
print(ans)

Fixed code:
n=int(input())
ans=0
for i in range(n):
  r,l=(int(i) for i in input().split())
  ans+=l-r+1
print(ans)
Buggy code:
a = int(input())
b = [input().split() for i in range(a)]
c = 0

for i in range(a):
  c += b[i][1]-b[i][0]+1
print(c)

Fixed code:
a = int(input())
b = [input().split() for i in range(a)]
c = 0

for i in range(a):
  c = c + int(b[i][1]) - int(b[i][0]) + 1
print(c)
Buggy code:
c=0
N=int(input())
for i in range(N):
  *A=map(int, input().split())
  c+=A[1]-A[0]+1
print(c)

Fixed code:
c=0
N=int(input())
for i in range(N):
  A=list(map(int, input().split()))
  c+=A[1]-A[0]+1
print(c)
Buggy code:
N = int(input())
ans = 0
for i in range(N):
    l, r = map(int, input().split())
    ans += l - r + 1
print(ans)


Fixed code:
N = int(input())

ans = 0
for _ in range(N):
    l, r = map(int, input().split())
    ans += (r - l) + 1
print(ans)
Buggy code:
if __name__ == "__main__":
    N = input()
    res = 0
    for x in range(N):
        a,b = map(int, input().split())
        res += b - a + 1
    print (res)


Fixed code:
if __name__ == "__main__":
    N = int(input())
    res = 0
    for x in range(N):
        a,b = map(int, input().split())
        res += b - a + 1
    print (res)
Buggy code:
N=input()
c=0
for i in range(N):
    l,r=(int(i) for i in input().split())
    c+=r-l+1
print(c)

Fixed code:
N=int(input())
c=0
for i in range(N):
    l,r=(int(i) for i in input().split())
    c+=r-l+1
print(c)
Buggy code:
from sys import stdin
N = int(stdin.readline().rstrip())
for _ in range(N):
    data.append([int(x) for x in stdin.readline().rstrip().split()])

ans = 0
for i in data:
    ans += (i[1] - i[0] + 1)
print(ans)

Fixed code:
from sys import stdin
N = int(stdin.readline().rstrip())
data = []
for _ in range(N):
    data.append([int(x) for x in stdin.readline().rstrip().split()])

ans = 0
for i in data:
    ans += (i[1] - i[0] + 1)
print(ans)
Buggy code:
n = int(input())
count = 0
for input in range(n):
    a, b = int(input().split())
    count += b-a+1

print(count)

Fixed code:
n = int(input())
count = 0
for i in range(n):
    a, b = map(int, input().split())
    count += b-a+1

print(count)
Buggy code:
N = int(input())
A = [list(map(int,input()).split()) for _ in range(N)]
cnt = 0
for i in range(N):
    l,r = A[i]
    cnt += r-l+1
print(cnt)

Fixed code:
N = int(input())
A = [list(map(int,input().split())) for _ in range(N)]
cnt = 0
for i in range(N):
    l,r = A[i]
    cnt += r-l+1
print(cnt)
Buggy code:
def print_ans(l,r,N):
  """print(sum(r)-sum(l)+N)
  Parameters
  --------------
  >>> print_ans([24],[30],1)
  7
  >>> print_ans([6,3],[8,3],2) 
  4
  """
  print(sum(r)-sum(l)+N)


  

def main():
  N = input()
  l = []
  r = []
  for i in range(N):
    s = list(map(int,input().split()))
    l.add(s[0])
    r.add(s[1])

  print_ans(l,r,N)


if __name__ == '__main__':
  main()



Fixed code:
def print_ans(l,r,N):
  """print(sum(r)-sum(l)+N)
  Parameters
  --------------
  >>> print_ans([24],[30],1)
  7
  >>> print_ans([6,3],[8,3],2) 
  4
  """
  print(sum(r)-sum(l)+N)


  

def main():
  N = int(input())
  l = []
  r = []
  for i in range(N):
    s = list(map(int,input().split()))
    l.append(s[0])
    r.append(s[1])

  print_ans(l,r,N)


if __name__ == '__main__':
  main()
Buggy code:
a=int(input())
b=[]
for _ in range(a):
  b.append(list(map(int,input().split())))
ans=0
for i in range(a):
  ans+=n[i][1]-n[i][0]+1
print(ans)


Fixed code:
a=int(input())
b=[]
for _ in range(a):
  b.append(list(map(int,input().split())))
ans=0
for i in range(a):
  ans+=b[i][1]-b[i][0]+1
print(ans)
Buggy code:
N= int(input())
n=[[]]
ans=0
ans1=0
ans2=0

for i in range(N):

    n.append(input().split())

for j in range(1,N+1):
    #print(n[j][0])
    ans+=int(n[j][1])-int(n[j][0])

print(ans)



Fixed code:
N= int(input())
n=[[]]
ans=0

for i in range(N):
    n.append(input().split())

for j in range(1,N+1):
    #print(n[j][0])
    ans+=int(n[j][1])-int(n[j][0])
    ans+=1

print(ans)
Buggy code:
N=int(input())
for i in range(N)
 l,n=map(int,input().split())
 	ans=l-n+1
print(ans)

Fixed code:
N = int(input())
ans=0
for i in range(N):
    l,n= map(int, input().split())
    ans=ans+n-l+1
print(ans)
Buggy code:
N = int(input())
res = 0
for _ in range(N)
	r, l = map(int, input().split())
  	res += l - r + 1
print(res)

Fixed code:
N = int(input())
res = 0
for _ in range(N):
    r, l = map(int, input().split())
    res += l - r + 1
print(res)
Buggy code:
N=int(input())
lr=[list(map(int,input())) for _ in range(N)]
print(sum([e[1]-e[0]+1 for e in lr])

Fixed code:
N=int(input())
lr=[list(map(int,input().split())) for _ in range(N)]
print(sum([e[1]-e[0]+1 for e in lr]))
Buggy code:
n = int(input())
sum = 0
for i in range(n):
  l, r = map(int, input().split())
  sum + = r-l+1
print(sum)

  

Fixed code:
n = int(input())
sum = 0
for i in range(n):
  l, r = map(int, input().split())
  sum += r-l+1
print(sum)
Buggy code:
n=int(input())
c=0
for i in range(n):
    x,y=input().split()
    c+=y-x+1
print(c)

Fixed code:
n=int(input())
c=0
for i in range(n):
    x,y=map(int,input().split())
    c+=y-x+1
print(c)
Buggy code:
n = int(input())
p = 0
for _ in n:
  i,j = [int(i) for i in input().split()]
  p += j-i+1
print(p)
  

Fixed code:
n = int(input())
p = 0
for _ in range(n):
  i,j = [int(k) for k in input().split()]
  p += j-i+1
print(p)
Buggy code:
def ii():return int(input())
def iim():return map(int,input().split())
def iil():return list(map(int,input().split()))
def ism():return map(str,input().split())
def isl():return list(map(str,input().split()))

n = ii()
ans = 0
for i in range(n):
    l,r = iim()
    ans += l-r+1
print(ans)

Fixed code:
def ii():return int(input())
def iim():return map(int,input().split())
def iil():return list(map(int,input().split()))
def ism():return map(str,input().split())
def isl():return list(map(str,input().split()))

n = ii()
ans = 0
for i in range(n):
    l,r = iim()
    ans += r-l+1
print(ans)
Buggy code:
n = int(input())
l,r = [map(int, input().split()) for i in range(n)]

number = 0

for i in range(n):
  number = number + (r[i]-l[i]+1)

print(number)  

Fixed code:
n = int(input())
l=[]
total=0
for i in range(n):
  l,r=map(int,input().split())
  total += (r-l+1)
print(total)
Buggy code:
N = int(input())

val = 0
for num in range(0,N):
    row = input().split()
    val = val + row[1] - row[0]

val = val - N
print(val)

Fixed code:
N = int(input())

val = 0
for num in range(0,N):
    row = input().split()
    val = val + int(row[1]) - int(row[0])

val = val + N
print(val)
Buggy code:
n = input()
sum = 0
for i in range(n):
  l,r = map(int,input().split())
  sum += r - l + 1
print(sum)
  

Fixed code:
n =int(input())
ans = 0
for i in range(n):
    l,r = map(int, input().split())
    ans += r-l+1
print(ans)
Buggy code:
N = int(input())
M = list(map(int,input().split()))for _ in range(N)
sum = o
for i in range(N):
  sum = sum + M[i][1]-M[i][0]+1
print(sum)  

Fixed code:
N = int(input())
M = [list(map(int,input().split()))for _ in range(N)]
sum = 0
for i in range(N):
  sum = sum + M[i][1]-M[i][0]+1
print(sum)
Buggy code:
n=int(input())
a=-n
for i in range(n):
  a-=eval(input().replace(" ","-"))
print(a)

Fixed code:
n=int(input())
a=n
for i in range(n):
  a-=eval(input().replace(" ","-"))
print(a)
Buggy code:
n = int(input())
sum = 0
for i in range(n):
    l, r = map(int, input().split())
    sum = r-l+1
print(sum)


Fixed code:
n = int(input())
sum = 0
for i in range(n):
    l, r = map(int, input().split())
    sum += r-l+1
print(sum)
Buggy code:
N = int(input().split())
ans = 0
for i in range(N):
  l, r = map(int, input().split())
  ans += (r - l + 1)

print(ans)

Fixed code:
N = int(input())
total = 0
for i in range(N):
    l,r = map(int,input().split())
    total += (r - l) + 1
print(total)
Buggy code:
ans=0
for _ in range(int(input())):
  ans+=eval("-"+input().replace(" ","+"))-1
print(ans)

Fixed code:
ans=0
for _ in range(int(input())):
  ans+=eval("-"+input().replace(" ","+"))+1
print(ans)
Buggy code:
N = int(input())
count = 0
for i in range(N):
    l, r = map(int, input().split())
    count = (r-(l-1))+count

Fixed code:
N = int(input())
count = 0
for i in range(N):
    l, r = map(int, input().split())
    count = (r-l)+count+1

print(count)
Buggy code:
N=int(input())
K=0
for i in N:
    l,r = map(int,input().split())
    K=(r-l+1)+K
print(K)
    

Fixed code:
N=int(input())
K=0
for i in range(N):
    l,r = map(int,input().split())
    K=(r-l+1)+K
print(K)
Buggy code:
n = int(input())
r = 0
for _ in range(n):
    l, r = map(int, input().split())
    r += l-r+1
print(r)

Fixed code:
n=int(input())
res=0
for _ in range(n):
    l,r=map(int,input().split())
    res+=r-l+1
print(res)
Buggy code:
N=int(input())
ans=0
for i in range(N):
    l,r=map(int,input().split())
    ans+=l-r+1
print(ans)


Fixed code:
n = int(input())

ans = 0
for i in range(n):
    l, r = map(int, input().split())
    ans += r - l + 1

print(ans)
Buggy code:
n = int(input())
p = 0
for in in range(n):
  l, r = map(int, input().split())
  p += r-l+1
 
print(n)

Fixed code:
n = int(input())
p = 0
for i in range(n):
  l, r = map(int, input().split())
  p += r-l+1
 
print(p)
Buggy code:
n = int(input())
p = 0
for i in range(n):
  l, r = map(int, input().split())
  p += r-l+1
 
print(n)


Fixed code:
n = int(input())
s = 0
for i in range(n):
    l, r = map(int,input().split())
    s = s + r - l +1
print(s)
Buggy code:
n = int()
seats = [list(map(int,input().split())) for _ in range(n)]

nop = [s[-1] - s[0] + 1 for s in seats]
r = sum(nop)
print(r)

Fixed code:
n = int(input())
seats = [list(map(int, input().split())) for _ in range(n)]

nop = [s[-1] - s[0] + 1 for s in seats]
r = sum(nop)

print(r)
Buggy code:
N = int(input())
a = 0

for i in range(N):
  l,r = list(map(int,input().split()))
  a+=r-l

print(a)

Fixed code:
N = int(input())
a = 0

for i in range(N):
  l,r = list(map(int,input().split()))
  a+=r-l+1

print(a)
Buggy code:
# input
N = int(input())
L = [list(map(int, input().split()))]

ans = 0

for i in range(N):
    ans += L[i][1] - L[i][0] + 1

print(ans)

Fixed code:
# input
N = int(input())
L = [list(map(int, input().split())) for _ in range(N)]

ans = 0

for i in range(N):
    ans += L[i][1] - L[i][0] + 1

print(ans)
Buggy code:
n =input()
ans =0
for i in range(n)
	a, b =map(int, input().split())
  	ans +=b-a
print(ans)
	

Fixed code:
n = int(input())
ans=0
for i in range(n):
  a, b =map(int,input().split())
  ans+=b-a+1
print(ans)
Buggy code:
N = int(input())
l = []
r = []
for i in range(N):
    temp_l, temp_r = input().split()
    l.append(int(temp_l))
    r.append(int(temp_r))
ans = 0
for i in range(N):
    ans += l[i] - r[i] + 1
print(ans)

Fixed code:
N = int(input())
l = []
r = []
for i in range(N):
    temp_l, temp_r = input().split()
    l.append(int(temp_l))
    r.append(int(temp_r))
ans = 0
for i in range(N):
    ans += r[i] - l[i] + 1
print(ans)
Buggy code:
import collections
N = int(input())
A = [int(input()) for _ in range(N)]
c = collections.Counter(A)
ans = 0
for i in c.values():
    if i & 2 != 0:
        ans += 1
print(ans) 

Fixed code:
import collections
N = int(input())
A = [int(input()) for _ in range(N)]
c = collections.Counter(A)
ans = 0
for i in c.values():
    if i % 2 != 0:
        ans += 1
print(ans)
Buggy code:
N = int(input())
A = [int(input()) for i in range(N)]
A = sorted(A)
ans = 0
prev = A[0]
cnt = 0
for a in A:
    if prev == a:
        cnt += 1
        prev = a
    else:
        if cnt % 2 == 1:
            ans += 1
        cnt = 1
        prev = a
if cnt %= 1:
    ans += 1
print(ans)

Fixed code:
N = int(input())
A = [int(input()) for i in range(N)]
A = sorted(A)
ans = 0
prev = A[0]
cnt = 0
for a in A:
    if prev == a:
        cnt += 1
        prev = a
    else:
        if cnt % 2 == 1:
            ans += 1
        cnt = 1
        prev = a
if cnt % 2 == 1:
    ans += 1
print(ans)
Buggy code:
N = int(input())
Alist = [int(input()) for i in range(N)]
Alist.sort()
Alist.append('END')
counter = 1
ans = 0

for i in range(1, len(alist)):
    if Alist[i - 1] == Alist[i]:
        counter += 1
    else:
        if counter % 2 == 1:
            ans += 1
        counter = 1

print(ans)


Fixed code:
N = int(input())
Alist = [int(input()) for i in range(N)]
Alist.sort()
Alist.append('END')
counter = 1
ans = 0

for i in range(1, len(Alist)):
    if Alist[i - 1] == Alist[i]:
        counter += 1
    else:
        if counter % 2 == 1:
            ans += 1
        counter = 1

print(ans)