python-algorithm
백준 7600 문자가 몇갤까
무적김두칠
2021. 12. 3. 08:18
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while 1:
cnt=[0]*26
s=str(input())
if s=='#':break
for i in s:
if i.isalpha():
i=i.lower()
cnt[ord(i)-97]=1
print(sum(cnt))
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cs |
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