摘要: Given a string ss of length nn and integer kk (1≤k≤n1≤k≤n). The string ss has a level xx, if xx is largest non-negative integer, such ... 阅读全文
posted @ 2019-01-21 10:43 black_hole6 阅读(289) 评论(0) 推荐(0)
摘要: Salem gave you nn sticks with integer positive lengths a1,a2,…,ana1,a2,…,an.For every stick, you can change its length to any other po... 阅读全文
posted @ 2019-01-21 10:40 black_hole6 阅读(177) 评论(0) 推荐(0)