@[Vera_suki](/user/916946) 要打二分,我是二分过得
by ababbjxzt @ 2023-08-30 12:15:17
upper_bound-lower_bound 找出a[i]+gap的值
upper_bound和lower_bound两个都是二分法
就这个函数求就没了
by GUANJUNHOU @ 2023-09-21 09:28:48