摘要：
Alice is taking a cryptography class and finding anagrams to be very useful. We consider two strings to be anagrams of each other if the first string' 阅读全文
摘要：
Sid is obsessed with reading short stories. Being a CS student, he is doing some interesting frequency analysis with the books. He chooses strings and 阅读全文
摘要：
C++字符串长度获取函数以及其区别：(C/C++ strlen(str)和str.length()和str.size()都可以求字符串长度。其中str.length()和str.size()是用于求string类对象的成员函数 strlen(str)是用于求字符数组的长度，其参数是char*。)Probelm: 给你一个仅由小写字母组成的字符串。你的任务是找出一个位置，删掉那个字母之后，字符串变... 阅读全文