摘要：
DescriptionOne day, Implus gets interested in binary addition and binary carry. He will transfer all decimal digits to binary digits to make the addition. Not as clever as Gauss, to make the addition from a to b, he will add them one by one from a to b in order. For example, from 1 to 3 (decimal dig 阅读全文
摘要：
DescriptionSuppose that G is an undirected graph, and the value ofstabis defined as follows:Among the expression,G-i, -jis the remainder after removing node i, node j and all edges that are directly relevant to the previous two nodes.cntCompentis the number of connected components of X independently 阅读全文