摘要:
K. King's Rout time limit per test 4.0 s memory limit per test 512 MB input standard input output standard output K. King's Rout time limit per test 4 阅读全文
摘要:
DreamGrid City is a city with intersections arranged into a grid of rows and columns. The intersection on the -th row and the -th column can be descri 阅读全文
摘要:
Given initially empty stacks, there are three types of operations: 1 s v: Push the value onto the top of the -th stack. 2 s: Pop the topmost value out 阅读全文