摘要:
E -Little RooksTime Limit:500MSMemory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeSGU 222DescriptionInspired by a "Little Bishops" problem, Petya now wants to solve problem for rooks.A rook is a piece used in the game of chess which is played on a board of square grid 阅读全文