[UVA] 11063 - B2-Sequence
Problem H - B2-Sequence
Time Limit: 1 second
A B2-Sequence is a sequence of positive integers 1
≤ b1 < b2 < b3 ... such that
all pairwise sums bi + bj, where i
≤ j, are different.
Your task is to determine if a given sequence is a B2-Sequence or not.
...