Buggy python submission (verdict: Runtime Error):
N=int(input())
h=list(map(int,input().split()))
s=0
mini=100
def garden(N,h,s,mini):
  p=[]
  a=0
  b=0
  size=0
  for i in range (N):
    if mini>h[i]:
      mini=h[i]
    if i!=N-1:
      if h[i]>h[i+1]:
        p.append(h[i])
        a+=h[i]
        size+=1
    if i!=N-1 and i!=0:
      if h[i]<h[i+1] and (h[i]-h[i-1])*(h[i+1]-h[i])<=0:
        p.append(h[i])
        b+=h[i]
        size+=1
    if i==N-1:
      if h[i-1]<h[i]:
        p.append(h[i])
        a+=h[i]
        size+=1
  s+=a
  s-=b
  flag=0
  for j in range (1,size-2):
    if (p[j]-p[j-1])*(p[j+1]-p[j])>0:
      flag=1
  if flag==1:
    garden(size,p,s,mini)
  if s==0 and h[0]!=0:
    s+=1
  print(s)
  
garden(N,h,s,mini)

Fixed submission:
N=int(input())
h=list(map(int,input().split()))
s=h[0]
for i in range (1,N):
  if h[i]>h[i-1]:
    s+=(h[i]-h[i-1])
print(s)

Buggy python submission (verdict: Runtime Error):
N=int(input())
h=list(map(int,input().split()))
s=0
mini=100
def garden(N,h,s,mini):
  p=[]
  a=0
  b=0
  size=0
  for i in range (N):
    if mini>h[i]:
      mini=h[i]
    if i!=N-1:
      if h[i]>h[i+1]:
        p.append(h[i])
        a+=h[i]
        size+=1
    if i!=N-1 and i!=0:
      if h[i]<h[i+1] and (h[i]-h[i-1])*(h[i+1]-h[i])<=0:
        p.append(h[i])
        b+=h[i]
        size+=1
    if i==N-1:
      if h[i-1]<h[i]:
        p.append(h[i])
        a+=h[i]
        size+=1
  s+=a
  s-=b
  flag=0
  for j in range (1,size-1):
    if (p[j]-p[j-1])*(p[j+1]-p[j])>0:
      flag=1
  if flag==1:
    garden(size,p,s,mini)
  if s==0 and h[0]!=0:
    s+=1
  print(s)
  
garden(N,h,s,mini)

Fixed submission:
N=int(input())
h=list(map(int,input().split()))
s=h[0]
for i in range (1,N):
  if h[i]>h[i-1]:
    s+=(h[i]-h[i-1])
print(s)

Buggy python submission (verdict: Runtime Error):
N=int(input())
h=list(map(int,input().split()))
s=0
mini=100
def garden(N,h,s,mini):
  p=[]
  a=0
  b=0
  size=0
  for i in range (N):
    if mini>h[i]:
      mini=h[i]
    if i!=N-1:
      if h[i]>h[i+1]:
        p.append(h[i])
        a+=h[i]
        size+=1
    if i!=N-1 and i!=0:
      if h[i]<h[i+1] and (h[i]-h[i-1])*(h[i+1]-h[i])<=0:
        p.append(h[i])
        b+=h[i]
        size+=1
    if i==N-1:
      if h[i-1]<h[i]:
        p.append(h[i])
        a+=h[i]
        size+=1
  s+=a
  s-=b
  flag=0
  for j in range (1,size-1):
    if (p[j]-p[j-1])*(p[j+1]-p[j])>0:
      flag=1
  if flag==1:
    garden(size,p,s,mini)
  if s==0:
    s+=1
  print(s)
  
garden(N,h,s,mini)

Fixed submission:
N=int(input())
h=list(map(int,input().split()))
s=h[0]
for i in range (1,N):
  if h[i]>h[i-1]:
    s+=(h[i]-h[i-1])
print(s)

Buggy python submission (verdict: Runtime Error):
N=int(input())
h=list(map(int,input().split()))
s=0
mini=100
def garden(N,h,s,mini):
  p=[]
  a=0
  b=0
  size=0
  for i in range (N):
    if mini>h[i]:
      mini=h[i]
    if i!=N-1:
      if h[i]>h[i+1]:
        p.append(h[i])
        a+=h[i]
        size+=1
    if i!=N-1 and i!=0:
      if h[i]<h[i+1] and (h[i]-h[i-1])*(h[i+1]-h[i])<=0:
        p.append(h[i])
        b+=h[i]
        size+=1
    if i==N-1:
      if h[i-1]<h[i]:
        p.append(h[i])
        a+=h[i]
        size+=1
  s+=a
  s-=b
  print(a)
  print(b)
  flag=0
  for j in range (1,size-1):
    if (p[j]-p[j-1])*(p[j+1]-p[j])>0:
      flag=1
  if flag==1:
    garden(size,p,s,mini)
  if s==0:
    s+=1
  print(s)
  
garden(N,h,s,mini)

Fixed submission:
N=int(input())
h=list(map(int,input().split()))
s=h[0]
for i in range (1,N):
  if h[i]>h[i-1]:
    s+=(h[i]-h[i-1])
print(s)

Buggy python submission (verdict: Runtime Error):
N=int(input())
h=list(map(int,input().split()))
s=0
mini=100
def garden(N,h,s,mini):
  p=[]
  a=0
  b=0
  size=0
  for i in range (N):
    if mini>h[i]:
      mini=h[i]
    if i!=N-1:
      if h[i]>h[i+1]:
        p.append(h[i])
        a+=h[i]
        size+=1
    if i!=N-1 and i!=0:
      if h[i]<h[i+1] and (h[i]-h[i-1])*(h[i+1]-h[i])<=0:
        p.append(h[i])
        b+=h[i]
        size+=1
    if i==N-1:
      if h[i-1]<h[i]:
        p.append(h[i])
        a+=h[i]
        size+=1
  s+=a
  s-=b
  flag=0
  for j in range (1,size-1):
    if (p[j]-p[j-1])*(p[j+1]-p[j])>0:
      flag=1
  if flag==1:
    garden(size,p,s,mini)
  print(s)
  
garden(N,h,s,mini)

Fixed submission:
N=int(input())
h=list(map(int,input().split()))
s=h[0]
for i in range (1,N):
  if h[i]>h[i-1]:
    s+=(h[i]-h[i-1])
print(s)

Buggy python submission (verdict: Runtime Error):
N=int(input())
h=list(map(int,input().split()))
s=0
mini=100
def kadan(N,h,s,mini):
  p=[]
  a=0
  b=0
  size=0
  for i in range (N):
    if mini>h[i]:
      mini=h[i]
    if i!=N-1:
      if h[i]>h[i+1]:
        p.append(h[i])
        a+=h[i]
        size+=1
    if i!=N-1 and i!=0:
      if h[i]<h[i+1] and (h[i]-h[i-1])*(h[i+1]-h[i])<=0:
        p.append(h[i])
        b+=h[i]
        size+=1
    if i==N-1:
      if h[i-1]<h[i]:
        p.append(h[i])
        a+=h[i]
        size+=1
  s+=a
  s-=b
  if size>5:
    kadan(size,p,s,mini)
  print(s)
  
kadan(N,h,s,mini)

Fixed submission:
N=int(input())
h=list(map(int,input().split()))
s=h[0]
for i in range (1,N):
  if h[i]>h[i-1]:
    s+=(h[i]-h[i-1])
print(s)