题解 | 记票统计

n=input()
p=input().split()
n=input()
v=input().split()

c=0
res={i:0 for i in p}
for i in v:
    if i not in p:
        c+=1
    else:
        res[i]+=1

for k,v in res.items():
    print(f"{k} : {v}")

print(f"Invalid : {c}")