QOJ.ac

QOJ

Time Limit: 2 s Memory Limit: 512 MB Total points: 100
统计

Notes: In QOJ, the test groups in each subtask are split up into separate subtasks. That is, we have a total of 13 subtasks (Subtask #1 will be samples), where the even-numbered subtasks correspond to those tests that no input line starts with C.