与‘数据结构-Hash’有关的日志

poj2785

maksyuki 发表于 oj 分类,标签:
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poj2785

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 li >>继续阅读