摘要:
BabelfishTime Limit:3000MSMemory Limit:65536KTotal Submissions:26333Accepted:11301DescriptionYou have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, you have a dictionary to he... 阅读全文
摘要:
4 Values whose Sum is 0Time Limit:15000MSMemory Limit:228000KTotal Submissions:12224Accepted:3426Case Time Limit:5000MSDescriptionThe 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 阅读全文