💡문제접근
💡코드(메모리 : 36404KB, 시간 : 5312ms)
N, M = map(int, input().split())
include_string = {}
for i in range(N):
include_string[i] = input()
count = 0
for i in range(M):
search_string = input()
if search_string in include_string.values():
count += 1
print(count)
💡소요시간 : 4m