python-algorithm
[백준] 17502
무적김두칠
2021. 1. 19. 09:27
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n=int(input())
s=list(input())
for i in range(n):
if s[i].isalpha():
s[-1-i]=s[i]
for i in range(n):
if s[i]=='?' : s[i]='a'
print(''.join(s))
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cs |
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