Joeferyの博客

Description Today on a lecture about strings Gerald learned a new definition of string equivalency. Two strings aand b of equal length are called equivalent in one of the two cases: They are e

1987. Nested Segments Time limit: 1.0 second Memory limit: 64 MB You are given n segments on a straight line. For each pair of segments it is known that they either have no common points or

B. Beautiful Paintings time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There are n pictures delivered for th