One, the problem descriptionConstruct a binary lookup tree, and given two nodes, find the lowest common ancestor node for both nodes.This assumes that the weight of the nodes in the binary lookup tree is the integer number (see the Binarynode inner
1. Design IdeasBy finding patterns, there are two cases when the purchase quantity is greater than 5. The first: if the last digit of the number is 8, then this eight is calculated according to two four, the remaining by five of the first division
Title:Query the name of the department, the number of employees in the department, the average salary of the department, the name of the lowest-income employee and the highest-income employeeThis is a study questions between the EMP and Dept tables
The Department name, number of employees of the Department, average salary of the department, name of the employee with the lowest income of the Department, and name of the employee with the highest income are queried.
Example:
The Department name,
How can Excel calculate the highest and lowest points according to the class number and total score in the original score?
Now, let's take a look at the table first.
In the table above, the selected part is the original score, a total
Given a string ' str ' of digits and an integer ' n ', build the lowest possible number by removing ' n ' digits from the string And not changing the order of input digits.Examples:Input:str = "4325043", n = 3 Output: "2043"Input:str = "765028321",
Train of thought: only 8 This number special, 3+5>4+4, other as long as except 5 take surplus can.I stole a lazy, directly listed if ...#include using namespacestd;voidMain () {intN; inti; cout"Please enter this number:"Endl; CIN>>N; I= n/5; if(n5)
Topic: The node of the two fork tree is defined as follows:
Copy Code code as follows:
struct TreeNode
{
int m_nvalue;
treenode* M_pleft;
treenode* M_pright;
};
Enter two nodes in the binary tree to output the
Lowest Unique Price
Time limit:1000ms Memory limit:65536k in doubt. Dot here ^_^
Title DescriptionRecently my buddies and I came across an idea! We want to build a website to sell things in a new. For each product, everyone could bid at a price,
Topic: The node of the two fork tree is defined as follows:
struct TreeNode
{
int m_nvalue;
treenode* M_pleft;
treenode* M_pright;
};
Enter two nodes in the binary tree to output the lowest common parent node of the two nodes in the number.
Analysis:
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