十分残念的博客

Censor frog is now a editor to censor so-called sensitive words (敏感词). She has a long text p p. Her job is relatively simple -- just to find the first occurence of sensitive word w w and remov

E. The Supersonic Rocket time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output After the war, the supersonic rocket became the most comm...