poster baoshuo n_tests 40 n_ex_tests 0 n_sample_tests 0 input_pre sticks input_suf in output_pre sticks output_suf out time_limit 1 memory_limit 256 output_limit 64 use_builtin_judger on use_builtin_checker rcmp9 n_subtasks 3 subtask_end_1 8 subtask_score_1 20 subtask_end_2 23 subtask_score_2 20 subtask_end_3 40 subtask_score_3 60