class Solution { public: { int first UniqChar(string unordered_map m; return -1;
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- Question 37 public static void main(String[] args) { Dog[] dogs = { new Dog(), new Dog()}; for(int i = 0; i >>"+decision()); } class Counter { private static int count; public static void inc() { count++;} public static int getCount() {return count;} } class Dog extends Counter{ public Dog(){} public void wo(){inc();} } class Cat extends Counter{ public Cat(){} public void me(){inc();} } The Correct answer: Nothing is output O 2 woofs and 5 mews O 2 woofs and 3 mews O 5 woofs and 5 mews Othe code: class HighArray { private long[] a; private int nElems; public HighArray(int max) { a = new long[max]; nElems = 0; } public void insert(long value) { a[nElems] = value; nElems++; } public boolean find(long searchKey) { int j; for (j = 0; j < nElems; j++) if (a[j] == searchKey) break; if (j == nElems) return false; else return true; } public long getMax() { if (nElems == 0) return 01; else { long max = a[0]; for (int i = 1; i < nElems; i++) { if (a[i] > max) max = a[i]; } return max; } } public boolean delete(long value) { int j; for (j = 0; j < nElems; j++) if (value == a[j]) break; if (j == nElems) return false; else { for (int k = j; k < nElems; k++) a[k] = a[k + 1]; nElems--; return true; } } public void display() { for (int j = 0; j < nElems; j++) System.out.print(a[j] + " "); System.out.println(""); }} public class HighArrayApp { public static void main(String[] args) { int maxSize =…class Solution(object): def longestCommonPrefix(self, strs): result ="" for i in strs[0]: for j in strs[1]: for k in strs[2]: if i == j and i == k: result+=i if len(result) >0: return result else: return result IndexError: list index out of range for j in strs[1]: Line 5 in longestCommonPrefix (Solution.py) ret = Solution().longestCommonPrefix(param_1) Line 31 in _driver (Solution.py) _driver() Line 41 in <module> (Solution.py) can someone explain why this is wrong?
- void listEmployees (void) { for (int i=0; i 10000. Make a guess about why the comparison function takes 2 struct Employee parameters (as opposed to struct Employee *) **Course: Data Structure and Algorithms Language: C++ Question is well explained Question #2Implement a class for Circular Doubly Linked List (with a dummy header node) which stores integers in unsorted order. Your class definitions should look like as shown below: class CDLinkedList;class DNode {friend class CDLinkedList;private int data;private DNode next;private DNode prev;};class CDLinkedList {private:DNode head; // Dummy header nodepublic CDLinkedList(); // Default constructorpublic bool insert (int val); public bool removeSecondLastValue (); public void findMiddleValue(); public void display(); };#include <iostream> usingnamespace std; class Queue { int size; int* queue; public: Queue(){ size = 0; queue = new int[100]; } void add(int data){ queue[size]= data; size++; } void remove(){ if(size ==0){ cout <<"Queue is empty"<<endl; return; } else{ for(int i =0; i < size -1; i++){ queue[i]= queue[i +1]; } size--; } } void print(){ if(size ==0){ cout <<"Queue is empty"<<endl; return; } for(int i =0; i < size; i++){ cout<<queue[i]<<" <- "; } cout << endl; } //your code goes here }; int main(){ Queue q1; q1.add(42); q1.add(2); q1.add(8); q1.add(1); Queue q2; q2.add(3); q2.add(66); q2.add(128); q2.add(5); Queue q3 = q1+q2; q3.print();…
- Q: Convert this to sorted array #include<iostream> #include"Student.cpp" class StudentList { private: struct ListNode { Student astudent; ListNode *next; }; ListNode *head; public: StudentList(); ~StudentList(); int IsEmpty(); void Add(Student newstudent); void Remove(); void DisplayList(); }; StudentList::StudentList() { head=NULL; }; StudentList::~StudentList() { cout <<"\nDestructing the objects..\n"; while(IsEmpty()!=0) Remove(); if(IsEmpty()==0) cout <<"All students have been deleted from a list\n"; }; int StudentList::IsEmpty() { if(head==NULL) return 0; else return 1; }; void StudentList::Add(Student newstudent) { ListNode *newPtr=new ListNode; if(newPtr==NULL) cout <<"Cannot allocate memory"; else { newPtr->astudent=newstudent; newPtr->next=head; head=newPtr; } }; void StudentList::Remove() { if(IsEmpty()==0) cout <<"List empty on remove"; else { ListNode *temp=head;…PROGRAMMING LANGUAGE: C++ // vectors: overloading operators example#include <iostream>using namespace std;class counter{private:int count;public:counter():count(0){}counter(int c):count(c) {} int get_count(){return count;} counter operator++ (int){return counter(count++); } counter operator-- (int){return counter(count--);}};int main(){counter c1, c2, c3;c1++;c2--;cout<<'\n'<<c1.get_count();cout<<'\n'<<c2.get_count();cout<<endl;c3 = c1++;cout<<'\n'<<c1.get_count();cout<<'\n'<<c3.get_count();getch();return 0;} Go through the above code and write the output of the given code segment. counter c1(5), c2(10), c3;c3=c1++;c2=--c3;;cout<<”\n”<<c1.get_count();cout<<”\n”<<c2.get_count();cout<<”\n”<<c3.get_count();public LLNode secondHalf(LLNode head) { }using namespace std; class SinglyLinkedListNode { // INSERT YOUR CODE HERE }; class SinglyLinkedList { public: SinglyLinkedListNode *head; SinglyLinkedListNode *tail; SinglyLinkedList() { this->head = nullptr; this->tail = nullptr; } voidinsert_node(intnode_data) { // INSERT YOUR CODE HERE } }; void free_singly_linked_list(SinglyLinkedListNode* node) { // INSERT YOUR CODE HERE } // Complete the has_cycle function below. /* * For your reference: * * SinglyLinkedListNode { * int data; * SinglyLinkedListNode* next; * }; * */ bool has_cycle(SinglyLinkedListNode* head) { SinglyLinkedListNode* temp = head; bool isCycle = false; while (temp != nullptr) { // INSERT YOUR CODE HERE } } int main() { // INSERT YOUR CODE HERE TO TEST YOUR CODE return0; }SEE MORE QUESTIONS