[UVA][hash] 1152 - 4 Values whose Sum is 0
The SUM problem can be formulated as follows: given four lists A, B, C, D
of integer values, compute how many quadruplet
(a, b, c, d ) A x B x C x D
are such that
a + b + c + d = 0
. In the following, we assume that all lists have the same size n
.
Input&nbs...
