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15分钟带你了解lower_bound和upper_bound

贤鱼不闲发布时间：2022-09-21 17:56:14 ，浏览量：5

🏆今日学习目标： 🍀理解，学会lower_bound和upper_bound原理及其用法 ✅创作者：贤鱼 🎉个人主页：贤鱼的个人主页 🔥专栏系列：基础知识

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lower_bound和upper_bound

lower_bound
upper_bound
其他用法
- 小于等于
- 小于
总结

lower_bound

定义：找到第一个大于等于目标数字的数字注意，lower和upper返回的都是地址，减去数组得到下标

用法lower_bound(数组开始搜索位置，数组结束搜索位置，目标数字)；

int lu[7]={0,1,2,4,7,16,32};

这里定义一个数组，方便讲解，开头是0让第一个数字下标从1开始

cout


    
        
            
                
                
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