摘要：
B. Drinks time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Little Vasya loves orange juic 阅读全文
摘要：
B. Xenia and Ringroad time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Xenia lives in a c 阅读全文
摘要：
B. Vanya and Lanterns time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vanya walks late at 阅读全文