Le 14/09/2015 23:45, Brent Yorgey a écrit :
you have been on this list long enough to know that is not an appropriate tone to use when responding to people asking questions. /.../ your response seemed unnecessarily sarcastic and condescending.
I am sorry. It was not my purpose to offend anybody, *sincerely*. If I might have been understood in such a way, I apologize. But, Brent, please : there was no question to answer. Jorge M. said: "I need a clue...". I gave him, indirectly. I responded thus after having read the answers by Albert Lai, OK, but short, probably worth completing, and the second one, by Francesco Ariis, which was not a clue at all, it simply said "use recursion", while Jorge Maldonado explicitly said that he would use recursion... +. Jerzy