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LeetCode OJ 之 二叉树最大子树和
https://blog.csdn.net/u012243115/article/details/46620573

给定一个数组，求子数组的最大异或和
https://cloud.tencent.com/developer/article/1343206

子数组的最大异或和
https://blog.csdn.net/weixin_43718250/article/details/103732684

数组的连续子数组上的异或
https://www.coder.work/article/385553

滑动窗口
https://blog.csdn.net/m0_37605197/article/details/107615954

一道Leetcode没有的题目——字符串相减(大数相减)
https://leetcode-cn.com/circle/discuss/zVtfxd/view/b3QFhK/

删除字符
https://blog.csdn.net/dreampinguo/article/details/81141097

c语言 atof 的实现
https://blog.csdn.net/wutao1530663/article/details/54381316

颠倒二进制位
https://leetcode-cn.com/problems/reverse-bits/solution/dian-dao-er-jin-zhi-wei-by-leetcode-solu-yhxz/

整数反转：https://leetcode-cn.com/problems/reverse-integer/

用 rand7 实现 rand10
https://leetcode-cn.com/problems/implement-rand10-using-rand7/solution/yong-rand7-shi-xian-rand10-by-leetcode-s-qbmd/

大乱数组（洗牌算法）
https://leetcode-cn.com/problems/shuffle-an-array/solution/da-luan-shu-zu-by-leetcode-solution-og5u/