After visiting a node, if we determined that it can possibly lead to a solution we will expend it. The node is called promising nonpromising root leaf
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- I'm confused about this question. Any help is appreciated!Can you help me with a C++ programming task I am trying to complete for myself please: Write a program (in main.cpp) that: Prompts the user for a filename containing node data. Outputs the minimal spanning tree for a given graph. You will need to implement the createSpanningGraph method in minimalSpanTreeType.h to create the graph and the weight matrix. There are a few tabs: main.cpp, graphType.h, linkedList.h, linkedQueue.h, queueADT.h, minimalSpanTreeType.h, and then two data files labeled: CH20_Ex21Data.txt, CH20Ex4Data.txt1. The below method is used to select a nodein map coloring problem.def get_node():mnode = "length = -1for k in cgraph.keys():if(len( cgraph[k]) > length and k not inok Color.keys());length = len(cgraph[k])mnode = kreturn mnode The method will return an empty string when A. All nodes are already assigned colorsB. There is no color remaining for a nodeC. Any two nodes have only one color left Note: Select 1 answer from 3 options.
- I could use help, me please: Write a program (in main.cpp) that: Prompts the user for a filename containing node data. Outputs the minimal spanning tree for a given graph. You will need to implement the createSpanningGraph method in minimalSpanTreeType.h to create the graph and the weight matrix. Note: Files Ch20_Ex21Data.txt and Ch20_Ex4Data.txt contain node data that you may test your program with. minimalSpanTreeType.h: #ifndef H_queueADT #define H_queueADT template <class Type> class queueADT { public: virtual bool isEmptyQueue() const = 0; //Function to determine whether the queue is empty. //Postcondition: Returns true if the queue is empty, // otherwise returns false. virtual bool isFullQueue() const = 0; //Function to determine whether the queue is full. //Postcondition: Returns true if the queue is full, // otherwise returns false. virtual void initializeQueue() = 0; //Function…You should create a method and call it findTotalleaves (); this method will find all of the nodes that are considered to be leaves, which are nodes that do not have any BNode dependents. The public function must not take any arguments, but the private method must accept as a parameter a BNode that represents the current root.Need help with these true or false questions.
- Can you make a test case for this to see if it works?class BSTnode: def __init__(self, key=None, left=None, right=None, parent=None): # Initialize a node. self.__key = key # value for the node self.__left = left self.__right = right self.__parent = parent def setkey(self, newkey): # Sets the key value of the node to newkey self.__key = newkey def getkey(self): # returns the key value of the node return self.__key def getright(self): # returns the right child of the node return self.__right def setright(self, newright): # Sets the right child to the new node object newright. Child nodes parent is also updated. self.__right = newright if newright is not None: newright.__parent = self def getleft(self): # returns the left child of the node. return self.__left def setleft(self, newleft): # Sets the left child to the new node object…Sorting objects in the real world https://docs.oracle.com/javase/8/docs/api/java/util/LinkedList.html There are 5000 people living in the town. Every day they have new COVID-19 cases. When people show symptom, they go to the hospital and put themselves in the waiting list for testing. A new person is added at the end of the list. Due to the lack of testing kit, all in the list cannot be tested. Hospital has to sort them and select a few. Since the elderly is very weak to the COVID-19, every midnight the doctors sort the people in the list by their age to decide who is taking the test for the next day depending on the availability of testing kit. Input to the program has the form where the first line indicates how many days they will do the operation. For each day, the input starts with the day number, along with the following patient list where each element represents the name of patients and the age. The input ends with the number of available testing kits. The output display, at…the number of edges in a complete 2 of 2 undirected graph of 80 vertices is.? Select one: a. exactly equals 3160 b. None c. less than or equals 3160 d. less than or equals 6320 e. exactly equals 6320 Assume that you have a doubly link list. Pointer x is pointing to the last node in the link list and pointer y is pointing to before the last node. which of the following will remove the node pointed by x from the list? Select one: O a. delete x; b. y->prev->next = y->next; X->prev= y->prev; delete x; O C. X->prev->next = x->next; y->prev= x->prev; delete x; O d. x->next = y; y->prev = x->prev; delete x;
- Java Programming: Make AST Nodes: IfNode, WhileNode, RepeatNode. All will have BooleanCompare for a condition and a collection of StatementNode. ForNode will have a Node for from and a node for to. This will have to be of type Node because it could be any expression. For example: for a from 1+1 to c-6 Make parsing functions for each. Java won't let you create methods called if(), etc. parseIf() is an example of a way around that; use whatever you like but use good sense in your names. Next let's look at function calls. Each function has a name and a collection of parameters. A parameter can be a VAR variable or something that came from booleanCompare (IntegerNode, VariableReferenceNode, etc). It would be reasonable to make 2 objects - ParameterVariableNode and ParameterExpressionNode. But for this very simple and well-defined case, we can do something simple: ParameterNode has a VariableReferenceNode (for VAR IDENTIFIER) and a Node for the case where the parameter is not a VAR.…Java Programming: Make AST Nodes: IfNode, WhileNode, RepeatNode. All will have BooleanCompare for a condition and a collection of StatementNode. ForNode will have a Node for from and a node for to. This will have to be of type Node because it could be any expression. For example: for a from 1+1 to c-6 Make parsing functions for each. Java won't let you create methods called if(), etc. parseIf() is an example of a way around that; use whatever you like but use good sense in your names. Next let's look at function calls. Each function has a name and a collection of parameters. A parameter can be a VAR variable or something that came from booleanCompare (IntegerNode, VariableReferenceNode, etc). It would be reasonable to make 2 objects - ParameterVariableNode and ParameterExpressionNode. But for this very simple and well-defined case, we can do something simple: ParameterNode has a VariableReferenceNode (for VAR IDENTIFIER) and a Node for the case where the parameter is not a VAR.…Java Code: Make sure to write the correct code for ProgramNode.java. ProgramNode must extend the Node. In ProgramNode.java, the members must exist, correctly initialized, and have a reasonable ToString() method. Make sure there must be no error in ProgramNode.java at all.
