19 lines
474 B
Python
19 lines
474 B
Python
n, m = map(int, input().split())
|
|
if 1 <= n <= 10**5 and 1 <= m <= 10**5:
|
|
arr = list(map(int, input().split()))
|
|
A = set(map(int, input().split()))
|
|
B = set(map(int, input().split()))
|
|
|
|
if all(1 <= i <= 10**9 for i in arr):
|
|
happiness = 0
|
|
for i in arr:
|
|
if i in A:
|
|
happiness += 1
|
|
elif i in B:
|
|
happiness -= 1
|
|
|
|
print(happiness)
|
|
else:
|
|
print("Error")
|
|
else:
|
|
print("Error")
|