题解 | 小红书推荐系统
小红书推荐系统
https://www.nowcoder.com/practice/e5b39c9034a84bf2a5e026b2b9b973d0
l = list(input().split())
dic = {}
for i in l:
dic[i] = dic.get(i,0) + 1
dic = sorted(dic.items(),key = lambda x:(-x[1],x[0]))
for i in range(len(dic)):
if dic[i][1] >= 3:
print(dic[i][0])
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