摘要： 描述A lot of battleships of evil are arranged in a line before the battle. Our commander decides to use our secret weapon to eliminate the battleships. 阅读全文

摘要： 描述Painting some colored segments on a line, some previously painted segments may be covered by some the subsequent ones.Your task is counting the segm 阅读全文

摘要： 描述 In the game of DotA, Pudge’s meat hook is actually the most horrible thing for most of the heroes. The hook is made up of several consecutive metal 阅读全文