题解 | #明明的随机数# O(n)
明明的随机数
https://www.nowcoder.com/practice/3245215fffb84b7b81285493eae92ff0
n = int(input())
list1 = [0 for i in range(501)]
for i in range(n):
v = int(input())
list1[v] = 1;
for i in range(501):
if list1[i] == 1:
print(i)
