字符串第一个不重复字符
https://www.cnblogs.com/grandyang/p/5802109.html
最长无重复子串
https://www.cnblogs.com/grandyang/p/4480780.html
https://blog.csdn.net/yanbao4070/article/details/80193489
把数字翻译成字符串
https://blog.csdn.net/g96889/article/details/85722454
反转字符串中的单词
https://www.cnblogs.com/grandyang/p/4606676.html
验证回文字符串：
https://www.cnblogs.com/grandyang/p/4030114.html
删除一个字母后是否回文串
https://www.cnblogs.com/grandyang/p/7618468.html
最长回文串：
https://www.cnblogs.com/grandyang/p/5931874.html
最长回文子串：
https://www.cnblogs.com/grandyang/p/4464476.html
https://www.cnblogs.com/eilearn/p/9268351.html
最长回文子序列：
https://www.cnblogs.com/grandyang/p/6493182.html
回文子串的个数
https://www.cnblogs.com/grandyang/p/7404777.html
最长连续序列：
https://www.cnblogs.com/grandyang/p/4276225.html
最长连续递增序列
https://www.cnblogs.com/grandyang/p/7608976.html
最长共同前缀
https://www.cnblogs.com/grandyang/p/4606926.html
字符串转成整数：
https://www.cnblogs.com/grandyang/p/4125537.html
大数相加：
https://www.cnblogs.com/grandyang/p/5944311.html
大数相乘：
https://www.cnblogs.com/grandyang/p/4395356.html
最小窗口子串
https://www.cnblogs.com/grandyang/p/4340948.html
滑动窗口的最大值
https://www.cnblogs.com/grandyang/p/4656517.html
https://www.cnblogs.com/AndyJee/p/4483639.html
从a剔除存在于b的字符
https://blog.csdn.net/acttell/article/details/73077717
https://blog.csdn.net/u013100788/article/details/78369831
去除字符串的ac,b连串
https://blog.csdn.net/u014106644/article/details/83211821
split函数
https://www.cnblogs.com/zhoudayang/p/5247276.html
https://zhidao.baidu.com/question/186822021.html
利用指针引用交换字符串
https://blog.csdn.net/qq_40946787/article/details/79223136
最短回文串
https://www.cnblogs.com/grandyang/p/4523624.html
将阿拉伯字符转成大写
https://zhidao.baidu.com/question/750433356612820692.html
变位词
https://www.cnblogs.com/grandyang/p/6014408.html
https://www.cnblogs.com/grandyang/p/4385822.html
验证ip地址
https://www.cnblogs.com/grandyang/p/6185339.html
将排序数组按绝对值排序
https://blog.csdn.net/caroline_wendy/article/details/39273129
旋转字符串
https://www.cnblogs.com/grandyang/p/9251578.html
反转字符串
https://www.cnblogs.com/grandyang/p/5420836.html