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二分查找编号所在位置 | Zhangzqs #70

Open zhangzqs opened 2 years ago

zhangzqs commented 2 years ago

https://zhangzqs.cn/posts/d349/

场景概述 有N组人,人数分别为a0,a1,a2,...,aN−1a_0,a_1, a2, ..., a{N-1}a0​,a1​,a2​,...,aN−1​,编号为0,1,2,...,a0−10,1,2,...,a_0-10,1,2,...,a0​−1的人在第0组,其组内编号与编号一致,编号为a0,a0+1,...,a0+a1−1a_0,a_0+1,...,a_0+a_1-1a0​,a0​+1