摘要: Greg has an array a = a1, a2, ..., an and m operations. Each operation looks as: li, ri, di, (1 ≤ li ≤ ri ≤ n). To apply operation i to the array mean 阅读全文
posted @ 2017-09-27 13:59 Crutain 阅读(284) 评论(0) 推荐(0)