摘要：
Ocean CurrentsTime Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1148 Accepted Submission(s): 382Problem DescriptionFor a boat on a large body of water, strong currents can be dangerous, but with careful planning, they can be harnessed to help the... 阅读全文