题解 | #数据分类处理#
数据分类处理
http://www.nowcoder.com/practice/9a763ed59c7243bd8ab706b2da52b7fd
def func(i):
li = []
for index,value in enumerate(lst_i):
if str(i) in value:
li.extend([str(index),value])
return li
def main():
lst = []
for i in lst_r:
li = func(i)
if li:
li = [str(i)]+[str(len(li)//2)]+li
lst += li
print(" ".join([str(len(lst))]+lst))
while True:
try:
lst_i = input().split()[1:]
lst_r = [int(i) for i in input().split()][1:]
lst_r = list(set(lst_r))
lst_r.sort()
main()
except:
break
