摘要：
B. Print Check time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Kris works in a large company 阅读全文
摘要：
C. Report time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Each month Blake gets the report c 阅读全文
摘要：
D. Messenger time limit per test2 seconds memory limit per test512 megabytes inputstandard input outputstandard output Each employee of the "Blake Tec 阅读全文