摘要:
DescriptionThe city executive board in Lund wants to construct a sightseeing tour by bus in Lund, so that tourists can see every corner of the beautif... 阅读全文
摘要:
DescriptionThe rotation game uses a # shaped board, which can hold 24 pieces of square blocks (see Fig.1). The blocks are marked with symbols 1, 2 and... 阅读全文
摘要:
论文足足看了两天,这是成果: 1 #include 2 3 const int maxn = 1000000; 4 5 int n, a, b, c, root; 6 int Child[maxn][2]; 7 int Key[maxn], Size[maxn], Count; ... 阅读全文