qyliang/CodeNanoFix huggingface dataset:
Buggy code:
import sys

N = str(input())

n = list(map(int, N))

if sum(n) == 0:
    print('No')
elif sum(n) % 9 != 0:
    print('No')
else:
    print('Yes')



Fixed code:
import sys

N = str(input())

n = list(map(int, N))

if sum(n) == 0:
    print('Yes')
elif sum(n) % 9 != 0:
    print('No')
else:
    print('Yes')
Buggy code:
n = input()
if n % 9==0:
   print("Yes")
else 
   print("No")

Fixed code:
n = int(input())
if n % 9 == 0:
  print('Yes')
else:
  print('No')
Buggy code:
import numpy as np
N=int(input())

if N//9==0:
    print("Yes")
else :
    print("No")    


Fixed code:
import numpy as np
N=int(input())

if N%9==0:
    print("Yes")
else :
    print("No")
Buggy code:
N = str(input())
lists = [int(x) for x in N]

if a % 9 == 0:
        print('Yes')
else:
        print('No')

Fixed code:
N = str(input())
lists = [int(x) for x in N]
a = sum(lists)

if  a % 9 == 0:
        print('Yes')
else:
        print('No')
Buggy code:
n=int(input())
s=len(n)
ans=0
for i in range(1,s+1):
  ans=(ans+a[-i])%9
if ans==0:
  print('Yes')
else:
  print('No')
  

Fixed code:
n=int(input())
k=str(n)
s=len(k)
ans=0
for i in range(1,s+1):
  ans=(ans+int(k[-i]))%9
if ans==0:
  print('Yes')
else:
  print('No')
Buggy code:
n=int(input())

l=list(map(int,str(n)))

a=sum(l)

if l%9==0:
  print('Yes')
else:
  print('No')

Fixed code:
n=int(input())

l=list(map(int,str(n)))

a=sum(l)

if a%9==0:
  print('Yes')
else:
  print('No')
Buggy code:
n = int(input())
vals = list(map(int, input().split()))

ma = vals[0]
res = [0 for _ in range(n)]
for i, val in enumerate(vals):
    if val < ma: 
        res[i] = ma - val
    if ma < val:
        ma = val

print(max(res))

Fixed code:
n = int(input())
vals = list(map(int, input().split()))

ma = vals[0]
res = [0 for _ in range(n)]
for i, val in enumerate(vals):
    if val < ma: 
        res[i] = ma - val
    if ma < val:
        ma = val

print(sum(res))
Buggy code:
n=int(input())
s=list(map(int,input().split()))

ans=0
for i in range(n-1):
    ans+=max(s[i+1]-s[i],0)
    s[i+1]=max(s[i+1],s[i])

print(ans)


Fixed code:
n=int(input())
s=list(map(int,input().split()))

ans=0
for i in range(n-1):
    ans+=max(s[i]-s[i+1],0)
    s[i+1]=max(s[i+1],s[i])

print(ans)
Buggy code:


N = int(input())
A = list(map(int, input().split()))

ans = 0
for i in range(1,N):
    tmp = A[i-1] - A[i]
    if A[i-1] > A[i]:
        A[i] += tmp
        ans += tmp
print(A)
print(ans)


Fixed code:


N = int(input())
A = list(map(int, input().split()))

ans = 0
for i in range(1,N):
    tmp = A[i-1] - A[i]
    if A[i-1] > A[i]:
        A[i] += tmp
        ans += tmp
#print(A)
print(ans)
Buggy code:
N = input()
A = map(int, input().split())
sum = 0
pre = 0
for ai in A:
  if pre > ai:
    sum += pre - ai
  else:
    pre = ai
print(sum

Fixed code:
N = input()
A = map(int, input().split())
sum = 0
pre = 0
for ai in A:
  if pre > ai:
    sum += pre - ai
  else:
    pre = ai
print(sum)
Buggy code:
N = int(input())
pre = 0
ans = 0
for a in input().split():
    a = int(a)
    ans += max(a-pre, 0)
    pre = max(pre, a)
print(ans)

Fixed code:
N = int(input())
pre = 0
ans = 0
for a in input().split():
    a = int(a)
    ans += max(pre-a, 0)
    pre = max(pre, a)
print(ans)
Buggy code:
n = input()
m = input()
m = list(m)
m = [int(i) for i in m]
mx = max(m)
ind = m.index(mx)

c = 0
j = len(m)
for i in reversed(m[ind:]):
    if i < mx:
        d = mx - i
        c += d
ind_i = 0
for i in m[1:ind]:
    if m[ind_i] > i:
        num = m[ind_i] - i
        c+= num
    ind_i += 1
    
print(c)

Fixed code:
n = input()
m = input().split()
m = [int(i) for i in m]
mx = max(m)
ind = m.index(mx)
 
c = 0
j = len(m)
for i in reversed(m[ind:]):
    if i < mx:
        d = mx - i
        c += d
        
ind_i = 0
for i in m[1:ind]:
    #print(i)
    if m[ind_i] > i:
        num = m[ind_i] - i
        m[ind_i+1] += num
        c+= num
    
    ind_i += 1
    
print(c)
Buggy code:
N = int(input())
numbers = input().split()
numbers = list(map(int,numbers))
m = 0
gross_count = 0
for n in numbers:
    if m > n:
        gross_count += (m-n)
        print(gross_count)
    else:
        m = n
print(gross_count)

Fixed code:
N = int(input())
numbers = input().split()
numbers = list(map(int,numbers))
m = 0
gross_count = 0
for n in numbers:
    if m > n:
        gross_count += (m-n)
    else:
        m = n
print(gross_count)
Buggy code:
n = int(input())
arr = map(int, input().split())
cmp = arr[0]
ans = 0

for i in range(1,len(arr)):
  cmp = max(arr[i],cmp)
  add = cmp - arr[i]
  ans = ans + add

print(ans)

Fixed code:
n = int(input())
arr = list(map(int, input().split()))
cmp = arr[0]
ans = 0

for i in range(1,len(arr)):
  cmp = max(arr[i],cmp)
  add = cmp - arr[i]
  ans = ans + add

print(ans)
Buggy code:
n = input()
l = [int(i) for i in input().split()]
max = 0
sum = 0
print(l)
for i in range(1,len(l)):

  if l[i-1] > max:
    max = l[i-1]
  if l[i] < max:
    sum += max - l[i]
print(sum)

Fixed code:
n = input()
l = [int(i) for i in input().split()]
max = 0
sum = 0
for i in range(1,len(l)):

  if l[i-1] > max:
    max = l[i-1]
  if l[i] < max:
    sum += max - l[i]
print(sum)
Buggy code:
num = int(input())
item = input().split()
res = 0

for i in range(num):
  if i == 0:
    continue
  b = int(item[i - 1])
  t = int(item[i])
  
  if b > t:
    res += (b - t)
      
print(res)

Fixed code:
num = int(input())
item = input().split()
res = 0

for i in range(num):
  if i == 0:
    continue
  b = int(item[i - 1])
  t = int(item[i])
  
  if b > t:
    res += (b - t)
    item[i] = b
    
      
print(res)
Buggy code:
n = int(input())
a = [int(i) for i in input().split()]

x = 0
for i in range(n-1):
  if a[i] > i[i+1]:
    x += a[i] - a[i+1]
    a[i+1] = a[i]

print(x)

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

ans = 0

for i in range(n-1):
    if a[i] > a[i+1]:
        ans += a[i] - a[i+1]
        a[i+1] = a[i]
print(ans)
Buggy code:
n=int(input())
a_list=list(map(int,input().split()))
b_list=[]
for i in range(n-1):
  d=a_list[i]-a_list[i+1]
  if(d>=0):
    b_list.append(d)
    a_list[i+1]+=d
    
ans=sum(b_list)
print(b_list)
print(ans)

Fixed code:
n=int(input())
a_list=list(map(int,input().split()))
b_list=[]
for i in range(n-1):
  d=a_list[i]-a_list[i+1]
  if(d>=0):
    b_list.append(d)
    a_list[i+1]+=d
    
ans=sum(b_list)
print(ans)
Buggy code:
N = int(input())
L = list(map(int, input().split()))
sum = 0
for i in range(N):
    if L[i-1]>L[i]:
        sum += L[i-1] - L[i]
        L[i] = L[i-1]
print(sum)

Fixed code:
N = int(input())
L = list(map(int, input().split()))
sum = 0
for i in range(1, N):
    if L[i-1]>L[i]:
        sum += L[i-1] - L[i]
        L[i] = L[i-1]
print(sum)
Buggy code:
n = int(input())
a = list(map(int, input().split()))

x = 0
for i in range(n-1):
  if a[i] > i[i+1]:
    x += a[i] - a[i+1]
    a[i+1] = a[i]

print(x)

Fixed code:
n=int(input())
a=list(map(int,input().split()))
b=0
for i in range(n-1):
    if a[i]>=a[i+1]:
        b+=a[i]-a[i+1]
        a[i+1]=a[i]
print(b)
Buggy code:
N = int(input())
A = list(map(int, input().split()))
now = A[0]
ans = 0
for i in range(1,N):
    if A[i]<now:
        step = now - A[i]
        ans += now
    else:
        step = 0
    now = A[i]+step
print(ans)


Fixed code:
N = int(input())
A = list(map(int, input().split()))
now = A[0]
ans = 0
for i in range(1,N):
    if A[i]<now:
        step = now - A[i]
        ans += step
    else:
        step = 0
    now = A[i]+step
print(ans)
Buggy code:
N = int(input())
heights = list(map(int, input().split()))
before = 0
answer = 0

for h in heights:
  if h < before:
    answwer += before - h
  else:
    before = h
print(answer)

Fixed code:
N = int(input())
heights = list(map(int, input().split()))
before = 0
answer = 0

for h in heights:
  if h < before:
    answer += before - h
  else:
    before = h
print(answer)
Buggy code:
from typing import List

def step(n: int, a: List[int])-> int:
  result = 0
  dai = 0
  for i in range(1,n):
    sub = a[i-1] + dai - a[i]
    print(sub)
    if sub > 0:
      dai = sub      
      result += sub
      continue
    dai = 0
  return result

if __name__ == "__main__":
  n = int(input())
  a = list(map(int, input().split()))
  print(step(n, a))

Fixed code:
from typing import List

def step(n: int, a: List[int])-> int:
  result = 0
  dai = 0
  for i in range(1,n):
    sub = a[i-1] + dai - a[i]
    if sub > 0:
      dai = sub      
      result += sub
      continue
    dai = 0
  return result

if __name__ == "__main__":
  n = int(input())
  a = list(map(int, input().split()))
  print(step(n, a))
Buggy code:
N = int(input())
A = list(map(int, input().split())) 
s = [0]*(N-1)
 
for n in range(N-1):
  s[n] = A[n] - A[n+1]
  if s[n] <= 0: 
    continue
  else:
    A[n+1] += s[n]
 
print(min(s))

Fixed code:
N = int(input())
A = list(map(int, input().split())) 
s = [0]*(N-1)
 
for n in range(N-1):
  t = A[n] - A[n+1]
  if t <= 0: 
    continue
  else:
    A[n+1] += t
    s[n] = t

print(sum(s))
Buggy code:
n=int(input())
l=[int(i) for i in input().split()]
c=0
for i in range(1,n):
    c=max(c,max(l[i-1]-l[i],0))
    l[i]+=max(l[i-1]-l[i],0)
print(c)

Fixed code:
n=int(input())
l=[int(i) for i in input().split()]
c=0
for i in range(1,n):
    c+=max(l[i-1]-l[i],0)
    l[i]+=max(l[i-1]-l[i],0)
print(c)
Buggy code:
N = int(input())
A = input().split()
count = 0
for i in range(N-1):
  if A[i] > A[i+1]:
    count += A[i+1] - A[i]
    A[i+1] = A[i]

print(count)

Fixed code:
N = int(input())
A = input().split()
count = 0
for i in range(N-1):
  if int(A[i]) > int(A[i+1]):
    count += int(A[i]) - int(A[i+1])
    A[i+1] = int(A[i])

print(count)
Buggy code:
N=int(input())
a_list = list(map(int,input().split()))
ans = 0
min = a_list[0]
for i in range(1,N):
  if min > a_list[i]:
    ans += a_list[i]-m
  else:
    min = a_list[i]
print(ans)
             

Fixed code:
N=int(input())
a_list = list(map(int,input().split()))
ans = 0
min = a_list[0]
for i in range(1,N):
  if min > a_list[i]:
    ans += min-a_list[i]
  else:
    min = a_list[i]
print(ans)
Buggy code:
n=int(input())
l=list(map(int,input().split()))
s=0
p=0
for i in range(n):
    h_need=p+l[i-1]
    if h_need>l[i]:
        p=h_need-l[i]
        s+=p
    else:h_need=l[i-1]
print(s)

Fixed code:
n=int(input())
l=list(map(int,input().split()))
s=0
p=0
h_need=l[0]
for i in range(n):
    if h_need>l[i]:
        p=h_need-l[i]
        s+=p
    else:
        h_need=l[i]
print(s)
Buggy code:
N = int(input())
A = list(map(int,input().split()))

ans = 0
high = 0
for i in range(1,N):
  if A[i-1] > high:
    high = A[i-1]
  if A[i] < hihg:
    ans += high - A[i]
    
print(ans)

Fixed code:
N = int(input())
A = list(map(int,input().split()))

ans = 0
high = 0
for i in range(1,N):
  if A[i-1] > high:
    high = A[i-1]
  if A[i] < high:
    ans += high - A[i]
    
print(ans)
Buggy code:
n = input()
summ = 0
lst = list(map(int, input().split()))
for i in range(len(lst) - 1):
    if lst[i] > lst[i + 1]:
        k = lst[i] - lst[i + 1]
        lst.replace(lst[i + 1], lst[i + 1] + k)
        summ += k
print(summ)

Fixed code:
n = input()
summ = 0
lst = list(map(int, input().split()))
for i in range(len(lst) - 1):
    if lst[i] > lst[i + 1]:
        k = lst[i] - lst[i + 1]
        lst[i + 1] = lst[i + 1] + k
        summ += k
print(summ)
Buggy code:
N = int(input())
A = list(map(int,input().split()))

ans = 0
high = 0
for i in range(1,N):
    if A[i-1] > high:
        high = A[i-1]
    if A[i] < high:
        high += high - A[i]

print(ans)

Fixed code:
N = int(input())
A = list(map(int, input().split()))
ans = 0

for i in range(N-1):
    if A[i] > A[i+1]:
        ans += A[i] - A[i+1]
        A[i+1] = A[i]

print (ans)
Buggy code:
N = int(input())
A = [int(i) for i in input().split()]
s = [0]*N
for i,n in enumerate(A):
    if i == 0:
        continue
    s[i] = max(0, A[i-1] + s[i-1] - A[i])

print(sum(s))
print(s)

Fixed code:
N = int(input())
A = [int(i) for i in input().split()]
s = [0]*N
for i,n in enumerate(A):
    if i == 0:
        continue
    s[i] = max(0, A[i-1] + s[i-1] - A[i])

print(sum(s))
Buggy code:
N = int(input())
A = list(map(int,input().split()))
ans = 0
for i in range(1,N):
  sub = A[i-1] - A[i]
  if sub > 0:
    ans+=sub
print(sub)

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

c = 0
for i in range(1, N):
  if A[i-1] > A[i]:
  	c += A[i-1] - A[i]
    A[i] = A[i-1]
  
  
print(c)


Fixed code:
N = int(input())
A = list(map(int, input().split()))

c = 0
for i in range(1, N):
  if A[i-1] > A[i]:
    c += A[i-1] - A[i]
    A[i] = A[i-1]
  
  
print(c)
Buggy code:
def minimumStoolHeight(A):
    stool_tot = 0
    height_min = 0
    
    if len(A) == 1:
        return A
    
    height_min = A[0]
    for i in range(1, len(A)):
        if A[i] < A[i-1]:
            
            if A[i-1] > height_min:
                height_min = A[i-1]
            stool_tot += (height_min - A[i])
            
            print(i, height_min, stool_tot)
          
    return stool_tot        
        
N = int(input())
A = list(map(int, input().rstrip().split()))
print(minimumStoolHeight(A))

Fixed code:
def minimumStoolHeight(A):
    stool_tot = 0
    height_min = 0
    
    if len(A) == 1:
        return 0
    
    height_min = A[0]
    for i in range(1, len(A)):
        if A[i] < height_min:
            stool_tot += (height_min - A[i])
        else:
            height_min = A[i]         
            
    return stool_tot  
  
N = int(input())
A = list(map(int, input().rstrip().split()))
print(minimumStoolHeight(A))
Buggy code:
l=list(map(int,input().split()))
u=max(l)
d=0
i=0
while l[i]!max:
  if l[i]>l[i+1]:
    d=d+abs(l[i+1]-l[i])
  i=i+1
r=i
else:
  for b in range(r,len(l)):
    d=d+(u-l[b])
print(d)


Fixed code:
n=int(input())
l=list(map(int,input().split()))
u=max(l)
d=0
i=0
while l[i]!=u:
  if l[i]>l[i+1]:
    d=d+abs(l[i+1]-l[i])
    l[i+1]=l[i] 
  i=i+1
r=i
for b in range(r,n):
    d=d+(u-l[b])
print(d)
Buggy code:
n = int(input())
a = list(map(int, input().split()))
ans = 0
tmp = 0
for i in range(1,n):
    tmp = max(a[i-1], tmp)
    ans += tmp - a[i]
print(ans)

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

n=int(input())
l=list(map(int,input().split()))

x = 0
for a in range(n-1):
    if l[a]>l[a+1] :
        x=l[a] - l[a+1] + x
        l[a+1]=l[a]
    print("l[a],x,l[a+1]=", l[a], x, l[a+1])
print(x)


Fixed code:

n=int(input())
l=list(map(int,input().split()))

x = 0
for a in range(n-1):
    if l[a]>l[a+1] :
        x=l[a] - l[a+1] + x
        l[a+1]=l[a]
    #print("l[a],x,l[a+1]=", l[a], x, l[a+1])
print(x)
Buggy code:
n=int(input())
a=list(map(int,input().split()))
step=0
for i in range(n-1):
  if a[i]>a[i+1]:
    humi+=a[i]-a[i+1]
    a[i+1]=a[i]
print(step)

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

ans=0

for i in range(1,n):
  diff=a[i]-a[i-1]
  if diff<0:
    ans+=-diff
    a[i]=a[i]-diff
    print(diff)

print(ans)

Fixed code:
n=int(input())
a=list(map(int,input().split()))

ans=0

for i in range(1,n):
  diff=a[i]-a[i-1]
  if diff<0:
    ans+=-diff
    a[i]=a[i]-diff

print(ans)
Buggy code:
n = int(input())
a = lsit(map(int,input().split()))

stack = [a[0]]
s = 0
for i in range(1,n):
    if a[i]<stack[-1]:
        s = s + abs(a[i] - stack[-1])
    else:
        stack.append(a[i])
print(s)

Fixed code:
n = int(input())
a = list(map(int,input().split()))

stack = [a[0]]
s = 0
for i in range(1,n):
    if a[i]<stack[-1]:
        s = s + abs(a[i] - stack[-1])
    else:
        stack.append(a[i])
print(s)
Buggy code:
def solve():
    n = int(input())
    a = list(map(int, input().split()))
    mi = 0
    le = len(a)
    cost = 0
    for i in range(le-1):
        if a[i] > a[i+1]:
            mi = max(a[i], mi)
            cost += mi - a[i+1]
            print(mi - a[i+1], mi)
    cost += max(0, mi - a[-1])
    print(cost)
    return 0

if __name__ == "__main__":
    solve()

Fixed code:
def solve():
    n = int(input())
    a = list(map(int, input().split()))
    mi = 0
    le = len(a)
    cost = 0
    for i in range(le-1):
        if mi > a[i+1] or a[i] > a[i+1]:
            mi = max(a[i], mi)
            cost += mi - a[i+1]
    print(cost)
    return 0

if __name__ == "__main__":
    solve()
Buggy code:
def func(A):
  result = 0
  min = 0
  for a in A:
    if a < min:
      result += min - a
    else:
      min = a
  return result

if __name__ == "__main__":
    N = int(input())
    A = list(int,input().split())
    print(func(A))

Fixed code:
def func(A):
  result = 0
  min = 0
  for a in A:
    if a < min:
      result += min - a
    else:
      min = a
  return result

if __name__ == "__main__":
    N = int(input())
    A = list(map(int,input().split()))
    print(func(A))
Buggy code:
N = int(input())
A = list(map(int,input.split()))
Sum = 0

for i in range(N-1):
  Sum += A[i+1] - A[i]
 
print(Sum)

Fixed code:
N = int(input())
A = list(map(int,input().split()))
Sum = 0

for i in range(N-1):
  if(A[i] - A[i+1] > 0):
    Sum += A[i] - A[i+1]
    A[i+1] += A[i] - A[i+1]
 
print(Sum)
Buggy code:
n=int(input())
a=list(map(int,input().split()))
m=0
ans=0
for i in range(n):
    if i==0:
        m=max(a[i],m)
    else:
        if a[i]<m:
            ans+=1
        else:
            m=a[i]
print(ans)

Fixed code:
n=int(input())
a=list(map(int,input().split()))
m=0
ans=0
for i in range(n):
    if i==0:
        m=max(a[i],m)
    else:
        if a[i]<m:
            ans+=m-a[i]
        else:
            m=a[i]
print(ans)
Buggy code:
N=int(input())
A=list(map(int,input().split()))
a=0
s=[]
for i in A:
  if i<a:
    s.append(i-a)
    a=i
print(sum(s))

Fixed code:
N=int(input())
A=list(map(int,input().split()))
a=0
s=[]
for i in A:
  if i<a:
    s.append(a-i)
    
  else:
    a=i
print(sum(s))
Buggy code:
N = int(input())
array = list(map(int,input().split()))
d,f = 0,0
ans = [0]
for i in range(1,N):
  n = array[i]
  d = f - n
  if d >= 0:
    ans.append(d)
  else:
    ans.append(0)
  f = max(ans[0:i])
print( sum(ans) )
  
  

Fixed code:
N = int(input())
array = list(map(int,input().split()))
d,f = 0,0
ans = []
for i in range(N):
  if i == 0:
    ans.append(0)
    f = array[0]
    continue
  n = array[i]
  d = f - n
  if d >= 0:
    ans.append(d)
  else:
    ans.append(0)
  if n > f:  
    f = n
print( sum(ans) )
Buggy code:
N = int(input())
A = list(map(int, input().split()))
sum=0
for i in range(N-1):
    if A[i+1]>A[i]:
        sum+=A[i+1]-A[i]
        A[i+1]=A[i]
print(sum)

Fixed code:
N = int(input())
A = list(map(int, input().split()))
sum=0
for i in range(N-1):
    if A[i]>=A[i+1]:
        sum+=A[i]-A[i+1]
        A[i+1]=A[i]
print(sum)
Buggy code:
number = int(input())
tall = list(map(int, input().split()))
addition = 0
for each in range(1, number + 1):
  difference = tall[each - 1] - tall[each]
  if difference > 0:
    addition += difference
    tall[each] += difference
print(addition)

Fixed code:
number = int(input())
tall = list(map(int, input().split()))
addition = 0
for each in range(1, number):
    difference = tall[each - 1] - tall[each]
    if difference >= 0:
        addition += difference
        tall[each] += difference
print(addition)
Buggy code:
n = int(input())
H = list(map(int, input().split()))
mh = 0
ans = 0
for i in range(n - 1):
    mh = max(mh, H[i])
    if H[i] <= H[i + 1]:
        continue
    else:
        if H[i + 1] < H[i]:
            ans = max(ans, mh - H[i + 1])

print(ans)


Fixed code:
n = int(input())
H = list(map(int, input().split()))
mh = 0
cnt = 0
for i in range(n - 1):
    mh = max(mh, H[i])
    if H[i] <= H[i + 1] and mh < H[i + 1]:
        continue
    else:
        cnt += mh - H[i + 1]
print(cnt)
Buggy code:
n = int(input())
a = list(map(int,input()))
s = a[0]
ans = 0
for i in range(1,n):
  ans += max(0,a[i]-s)
  s = max(s,a[i])
print(ans)

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


Fixed code:
n=int(input())
arr=list(map(int,input().split()))
ans=0
for i in range(n-1):
  val=max(0,arr[i]-arr[i+1])
  ans+=val
  arr[i+1]+=val
print(ans)
Buggy code:
n = int(input())
a = list(map(int,input().split()))
c = 0
for i in range(1,n):
    if a[i-1]>a[i]:
        c += (a[i-1]-a[i])
print(c)

Fixed code:
n = int(input())
a = list(map(int,input().split()))
c = 0
for i in range(1,n):
    if a[i-1]>a[i]:
        q = (a[i-1]-a[i])
        c += q
        a[i] = a[i]+q
print(c)
Buggy code:
N = int(input())
A = list(map(int, input().split()))
M = A[0]
ans = 0
for i in range(1,N):
  if M > A[i]:
    ans += M-A[i]
  else:
    M = A[i]
print(ans)v

Fixed code:
N = int(input())
A = list(map(int, input().split()))
M = A[0]
ans = 0
for i in range(1,N):
  if M > A[i]:
    ans += M-A[i]
  else:
    M = A[i]
print(ans)
Buggy code:
n = int(input())
a_list = list(map(int, input().split()))
result = [0]
for i in range(n - 1):
    if a_list[i] + result[i] > a_list[i + 1]:
        result.append(a_list[i] + result[i] - a_list[i + 1])
print(sum(result))

Fixed code:
n = int(input())
a_list = list(map(int, input().split()))
result = [0]
for i in range(n - 1):
    if a_list[i] + result[i] > a_list[i + 1]:
        result.append(a_list[i] + result[i] - a_list[i + 1])
    else:
        result.append(0)
print(sum(result))
Buggy code:
import math

#N = int(input())
N =int(input())
A =list(map(int, input().split())
        
#print(N)
cnt = 0
cur = A[0]
for i in range(1,N):
  if cur > A[i]:
    cnt += cur - A[i]
  else:
    cur = A[i]

print(cnt)

Fixed code:
import math

#N = int(input())
N =int(input())
A =list(map(int, input().split()))
cnt = 0
cur = A[0]
for i in range(1,N):
  if cur > A[i]:
    cnt += cur - A[i]
  else:
    cur = A[i]

print(cnt)
Buggy code:
n=int(input())

a=list(map(int,input().split()))
  
b=[]
if n>1:
  for j in range (n-1):
    c=a[j]-a[j+1]
    b.append(c)
    a[j+1]=a[j+1]+c

  if max(b)>-1:
    print(max(b))
  else:
    print(0)
    
else:
  print(0)


Fixed code:
n=int(input())

a=list(map(int,input().split()))
  
b=[]
if n>1:
  for j in range (n-1):
    c=a[j]-a[j+1]
    if c>-1:
      b.append(c)
      a[j+1]=a[j+1]+c
    else:
      b.append(0)
      
   
  if max(b)>-1:
    print(sum(b))
  else:
    print(0)
    
else:
  print(0)
Buggy code:
N=int(input())
A=list(map(int,input().split()))
s=0
for i in range(N-1):
  if A[i]>A[i+1]:
    s+=A[i]-A[i+1]
print(s)
    

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

Fixed code:
a=int(input())
b=list(map(int,input().split()))
c=0
for i in range(a-1):
  if b[i]>b[i+1]:
    c=c+b[i]-b[i+1]
    b[i+1]=b[i]
print(c)
Buggy code:
n = input()
a_list = list(map(int, input().split()))
score = 0

for i in range(len(a_list) - 1):
  if a_list[i] > a_list[i+1]:
    score += a_list[i] - a_list[i+1]
    
print(score)

Fixed code:
n = input()
a_list = list(map(int, input().split()))
score = 0

for i in range(len(a_list) - 1):
  if a_list[i] > a_list[i+1]:
    score += a_list[i] - a_list[i+1]
    a_list[i+1] = a_list[i]
    
print(score)
Buggy code:
n=int(input())
a=list(map(int,input().split()))
b=a

s=0
for i in range(n):
  if b[i]>a[i+1]:
    s+=(a[i]-a[i+1])
    b[i+1]=b[i]
print(s,a,b)

Fixed code:
n=int(input())
a=list(map(int,input().split()))
b=a

s=0
for i in range(n-1):
  if b[i]>a[i+1]:
    s+=(a[i]-a[i+1])
    b[i+1]=b[i]
print(s)