摘要：
Contest time again! How excited it is to see balloons floating around. But to tell you a secret, the judges' favorite time is guessing the most popula 阅读全文
摘要：
Give a natural number n (1 <= n <= 500000), please tell the summation of all its proper divisors. Definition: A proper divisor of a natural number is 阅读全文
摘要：
Among grandfather��s papers a bill was found: 72 turkeys $_679_ The first and the last digits of the number that obviously represented the total price 阅读全文
摘要：
As part of an arithmetic competency program, your students will be given randomly generated lists of from 2 to 15 unique positive integers and asked t 阅读全文
摘要：
1 typedef struct node{ 2 int val; 3 struct node *left, *right; 4 }TreeNode; 5 //求二叉树的节点个数。 6 int GetNodeNum(TreeNode *pRoot){ 7 if(pRoot == NULL) 8 return 0; 9 ... 阅读全文
摘要：
题目1184：二叉树遍历 时间限制：1 秒 内存限制：32 兆 特殊判题：否 提交：4167 解决：1690 题目描述： 编一个程序，读入用户输入的一串先序遍历字符串，根据此字符串建立一个二叉树（以指针方式存储）。例如如下的先序遍历字符串：ABC##DE#G##F###其中“#”表示的是空格，空格字 阅读全文