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一、题目大意 Intersections of Crossing Path City are aligned to a grid. There are N east-west streets which are numbered from 1 to N, from north to south. T 阅读全文
摘要:
一、题意 White Rabbit has a rectangular farmland of n*m. In each of the grid there is a kind of plant. The plant in the j-th column of the i-th row belong 阅读全文
摘要:
一、题目描述: 链接:https://www.nowcoder.com/acm/contest/139/JGiven a sequence of integers a1, a2, ..., an and q pairs of integers (l1, r1), (l2, r2), ..., (lq 阅读全文