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table1.txt
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3.
int n = string2int(args[0])
pour i=0 a n-1
  print("*")
println

tests : n=0, 1, 2, 5
et de meme pour les exercices 2 a 5

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4.
int n = string2int(args[0])
pour i=0 a n
  print i

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5.
int n = string2int(args[0])
pour i=0 a n
  print n-i

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6.
int n = string2int(args[0])
i=0
while i<=n
  print i
  i++

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7.
int n = string2int(args[0])
i=n
while i>=0
  print i
  i--

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