摘要：
话不多说，看代码：#include #include int main(void){ char s1[180] = "a-z0-9hahah-a-z-s-d"; char s2[180]; expand(s1, s2); printf("Now the s2 is : %s"... 阅读全文
摘要：
题目如下所示：返回的结果是一个Node的Vector：Givenn, generate all structurally uniqueBST's(binary search trees) that store values 1...n.For example,Givenn= 3, your prog... 阅读全文
摘要：
Given a string of numbers and operators,return all possible results from computing all the different possible waysto group numbers and operators. The ... 阅读全文