摘要：
time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output A group of n cities is connected by a networ 阅读全文
摘要：
time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Cat Noku has obtained a map of the night sky 阅读全文
摘要：
time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Bob has a permutation of integers from 1 to 阅读全文
摘要：
time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Your friend recently gave you some slimes fo 阅读全文