题解 | #记票统计#
记票统计
https://www.nowcoder.com/practice/3350d379a5d44054b219de7af6708894
name_n=int(input())
name=input().split()
piao_n=int(input())
piao=input()
ans={}
a=[]
l=[]
for i in name:
ans[i]=0
piao1=piao.split(" ")
for j in piao1:
if j in ans.keys():
ans[j]+=1
else:
a.append(j)
for i in ans.keys():
if i in name:
print(i,":",ans[i] )
print("Invalid :",len(a))
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