python-algorithm
[백준] 18245
무적김두칠
2021. 1. 19. 09:41
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cnt = 1
while 1:
s=input()
if s=='Was it a cat I saw?': break
else:
for i in range(0,len(s),cnt+1):
print(s[i],end='')
cnt+=1
print()
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cs |
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