Buggy python submission (verdict: Runtime Error):
N=int(input())
A=[int(i) for i in input().split()]
T=[[A[0],A[1]]]
k=0
for i in range(2,N):
    if len(T[k])<=1:
        T[k].append(A[i])
        continue
    if not((T[k][0]>=A[i-2]>=A[i-1]>=A[i]) or (T[k][0]<=A[i-2]<=A[i-1]<=A[i])):
        k+=1
        T.append([A[i]])
    else:
        T[k].append(A[i])
print(len(T))


Fixed submission:
N=int(input())
A=[int(i) for i in input().split()]
if N==1:
    print(1)
    exit()
T=[[A[0],A[1]]]
k=0
for i in range(2,N):
    if len(T[k])<=1:
        T[k].append(A[i])
        continue
    if not((T[k][0]>=A[i-2]>=A[i-1]>=A[i]) or (T[k][0]<=A[i-2]<=A[i-1]<=A[i])):
        k+=1
        T.append([A[i]])
    else:
        T[k].append(A[i])
print(len(T))

Buggy python submission (verdict: Runtime Error):
N=int(input())
A=[int(i) for i in input().split()]
T=[[A[0],A[1]]]
k=0
for i in range(2,N):
    if len(T[k])<=1:
        T[k].append(A[i])
        continue
    if not((T[k][0]>=A[i-2]>=A[i-1]>=A[i]) or (T[k][0]<=A[i-2]<=A[i-1]<=A[i])):
        k+=1
        T.append([])
        T[k].append(A[i])
    else:
        T[k].append(A[i])
print(k+1)


Fixed submission:
N=int(input())
A=[int(i) for i in input().split()]
if N==1:
    print(1)
    exit()
T=[[A[0],A[1]]]
k=0
for i in range(2,N):
    if len(T[k])<=1:
        T[k].append(A[i])
        continue
    if not((T[k][0]>=A[i-2]>=A[i-1]>=A[i]) or (T[k][0]<=A[i-2]<=A[i-1]<=A[i])):
        k+=1
        T.append([A[i]])
    else:
        T[k].append(A[i])
print(len(T))

Buggy python submission (verdict: Runtime Error):
N=int(input())
A=[int(i) for i in input().split()]
T=[[A[0],A[1]]]
k=0
for i in range(2,N):
    if len(T[k])<=1:
        T[k].append(A[i])
        #continue
    if not((T[k][0]>=A[i-2]>=A[i-1]>=A[i]) or (T[k][0]<=A[i-2]<=A[i-1]<=A[i])):
        k+=1
        T.append([])
        T[k].append(A[i])
    else:
        T[k].append(A[i])
print(len(T))


Fixed submission:
N=int(input())
A=[int(i) for i in input().split()]
if N==1:
    print(1)
    exit()
T=[[A[0],A[1]]]
k=0
for i in range(2,N):
    if len(T[k])<=1:
        T[k].append(A[i])
        continue
    if not((T[k][0]>=A[i-2]>=A[i-1]>=A[i]) or (T[k][0]<=A[i-2]<=A[i-1]<=A[i])):
        k+=1
        T.append([A[i]])
    else:
        T[k].append(A[i])
print(len(T))

Buggy python submission (verdict: Runtime Error):
N=int(input())
A=[int(i) for i in input().split()]
T=[[A[0],A[1]]]
B=[0]
k=0
for i in range(2,N):
    if len(T[k])<=1:
        T[k].append(A[i])
        continue
    if not(T[k][0]>=A[i-2]>=A[i-1]>=A[i] or T[k][0]<=A[i-2]<=A[i-1]<=A[i]):
        k+=1
        T.append([])
        T[k].append(A[i])
    else:
        T[k].append(A[i])
print(len(T))


Fixed submission:
N=int(input())
A=[int(i) for i in input().split()]
if N==1:
    print(1)
    exit()
T=[[A[0],A[1]]]
k=0
for i in range(2,N):
    if len(T[k])<=1:
        T[k].append(A[i])
        continue
    if not((T[k][0]>=A[i-2]>=A[i-1]>=A[i]) or (T[k][0]<=A[i-2]<=A[i-1]<=A[i])):
        k+=1
        T.append([A[i]])
    else:
        T[k].append(A[i])
print(len(T))

Buggy python submission (verdict: Runtime Error):
N=int(input())
A=[int(i) for i in input().split()]
T=[[A[0],A[1]]]
k=0
for i in range(2,N):
    if len(T[k])<=1:
        T[k].append(A[i])
        continue
    if not(A[i-2]>=A[i-1]>=A[i] or A[i-2]<=A[i-1]<=A[i]):
        k+=1
        T.append([])
        T[k].append(A[i])
    else:
        T[k].append(A[i])
print(len(T))


Fixed submission:
N=int(input())
A=[int(i) for i in input().split()]
if N==1:
    print(1)
    exit()
T=[[A[0],A[1]]]
k=0
for i in range(2,N):
    if len(T[k])<=1:
        T[k].append(A[i])
        continue
    if not((T[k][0]>=A[i-2]>=A[i-1]>=A[i]) or (T[k][0]<=A[i-2]<=A[i-1]<=A[i])):
        k+=1
        T.append([A[i]])
    else:
        T[k].append(A[i])
print(len(T))