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  1. t=int(input())
  2. while(t>0):
  3.     t=t-1
  4.     arr=input().split()   #if x and n in same line!!!!
  5.     x=int(arr[0])
  6.     n=int(arr[1])
  7.     noc=x
  8.     while(noc>=n):
  9.         x=x+1
  10.         noc=noc-n+1
  11.     print(x)
Success #stdin #stdout 0.15s 10224KB
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stdin
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2
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stdout
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22
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https://ideone.com/epo3dg
language:
Python 3 (python  3.9.5)
created:
10 years ago
visibility:
secret

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