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  1. t = int(input())
  2. s = input()
  3. r = s[::-1]
  4. f = True
  5.  
  6. if s == r:
  7.     print(0)
  8. else:
  9.     s*=2
  10.     for i in range(len(r)):
  11.         t=0
  12.         while s[i+t]==r[t] and t <= len(r):
  13.             t+=1
  14.         if t == len(r):
  15.             print(i)
  16.             f = False
  17.             break
  18.  
  19.     if f:
  20.         print(-1)
Runtime error #stdin #stdout #stderr 0.11s 23532KB
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stdin
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4
abac
stdout
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Standard output is empty
stderr
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Traceback (most recent call last):
  File "./prog.py", line 12, in <module>
IndexError: string index out of range
https://ideone.com/GIV80I
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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