题解 | 茉茉的密码
茉茉的密码
https://www.nowcoder.com/practice/016a87b3015c448da67974d1d731d7ef
n = int(input())
coms = set(input())
for i in range(n-1):
coms = coms.intersection(set(input()))#求交集
print(sorted(list(coms))[0])#单个字母也可以
茉茉的密码
https://www.nowcoder.com/practice/016a87b3015c448da67974d1d731d7ef
n = int(input())
coms = set(input())
for i in range(n-1):
coms = coms.intersection(set(input()))#求交集
print(sorted(list(coms))[0])#单个字母也可以
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