[solved] – Question 69211

Ram is a school boy. He has n good friends numbered from 1 to n. Let this be denoted by an Array A. The friend with higher array index is closer to Ram. It’s his birthday today and hence he wants to distribute his birthday chocolates in a way such that A[i+1]=A[i]+3. Now he had n boxes numbered from 1 to n for each of his friend and his mother had filled them with some random number of chocolates, However Ram has made up his mind to distribute the the chocolates in the way described above. He wants to know if it is possible to re-arrange the chocolates in the boxes to have a distribution pattern he likes.

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