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@amulyakashyap09
Created December 31, 2017 15:24
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No Idea!
(n, m) = map(int, input().split()) #take input in n , m
h=0;
a = map(int, input().split())#take array as input
A = set(map(int, input().split())) #take array as input and create SET
B = set(map(int, input().split()))#take array as input and create SET
for el in a:
if el in A:
h += 1
elif el in B:
h -= 1
print(h)
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