摘要：
time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output You are given n segments on a line. There ar 阅读全文
摘要：
time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output You are given a permutation p of length n. Al 阅读全文
摘要：
time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output A student of z school found a kind of sorting 阅读全文
摘要：
time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output The 9 th grade student Gabriel noticed a cate 阅读全文