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  1. t = int(input())
  2. for i in range(t):
  3.     l = int(input())
  4.     w_c = 2
  5.     pkty = list(map(int, input().strip().split()))
  6.     try:
  7.         r = pkty[1] - pkty[0]
  8.         for l in range(2, l, 1):
  9.             if pkty[l] == pkty[l-1] + r:
  10.                 w_c += 1
  11.             else:
  12.                 break
  13.         # for k in range(w_c):
  14.         #     print(pkty[k], end=" ")
  15.         print(w_c)
  16.     except:
  17.         print(l)
  18.  
  19.  
Runtime error #stdin #stdout #stderr 0.11s 23004KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Traceback (most recent call last):
  File "./prog.py", line 1, in <module>
EOFError: EOF when reading a line
https://ideone.com/lOggvJ
language:
Python 3 (python  3.9.5)
created:
2 years ago
visibility:
public

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