题解 | #整型数组合并#
整型数组合并
https://www.nowcoder.com/practice/c4f11ea2c886429faf91decfaf6a310b
n1 = int(input())
l1 = list(map(int, input().split()))
n2 = int(input())
l2 = list(map(int, input().split()))
temp = sorted(list(set(l1 + l2)), reverse = False)
#print(temp)
print(''.join(map(str, temp)))
