messyidea的专栏

Line beltTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2775    Accepted Submission(s): 1058Problem DescriptionIn a two-dimensi

Problem B. HaircutThis contest is open for practice. You can try every problem as many times as you like, though we won't keep track of which problems you solve. Read the Quick-Start Guide t