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- Magic Number of coding-:A number is said to be a magic number,if summing the digits of the number and then recursively repeating this process for the given sumuntill the number becomes a single digit number equal to 1. Example: Number = 50113 => 5+0+1+1+3=10 => 1+0=1 [This is a Magic Number] Number = 1234 => 1+2+3+4=10 => 1+0=1 [This is a Magic Number] Number = 199 => 1+9+9=19 => 1+9=10 => 1+0=1 [This is a Magic Number] Number = 111 => 1+1+1=3 [This is NOT a Magic Number].K Lold T T=T+(K-2)*L T=T- 10 T=0 T=T-10 K= 4, 8, 2 L=4, 3, -1 T=T+{K-2)*L#include <stdio.h>#include <stdlib.h> int MAX_SIZE = 10;int n = 0; //A counter variable which will keep track of number of elements in arr. void append(int *arr, int element){ if(n == MAX_SIZE) { MAX_SIZE = MAX_SIZE * 2; int *ptr = (int*)malloc(MAX_SIZE * sizeof(int)); //Copy elements of existing array to a new array for(int i=0;i<n;i++) { ptr[i] = arr[i]; } arr = ptr; n++; } arr[n] = element;} int get(int *arr, int index){ return arr[index];}int main(){ int *arr = (int*)malloc(MAX_SIZE * sizeof(int)); n = 10; for(int i=0;i<n;i++) arr[i] = i+1; printf("\nArray size: %d", MAX_SIZE); printf("\nNumber of elements: %d", n); printf("\nArray: "); for(int i=0;i<n;i++) printf("%d ", arr[i]); printf("\n\nAdding an element"); append(arr, 11); printf("\nArray size: %d", MAX_SIZE); printf("\nNumber of elements: %d", n);…
- #include using namespace std; int main() (double degree [6] [2]= (30,40,10,70, 20, 30, 60, 70, 30, 10, 10, 85); int buffer=degree[0][0]; for (int i=1;ibuffer) buffer=degree[i][0]; cout<Q1/ find code optimization of this code then find type to this code. for (i=1;iLab Goal : This lab was designed to teach you more about recursion. Lab Description : luckyThrees will return a count of the 3s in the number unless the 3 is at the start. A 3 at the start of the number does not count. /* luckyThrees will return the count of 3s in the number* unless the 3 is at the front and then it does not count* 3 would return 0* 31332 would return 2* 134523 would return 2* 3113 would return 1* 13331 would return 3* 777337777 would return 2* the solution to this problem must use recursion*/public static int luckyThrees( long number ){} Sample Data : 331332134523311313331777337777 Sample Output : 022132Question 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 Odef is_balanced(root): return __is_balanced_recursive(root) def __is_balanced_recursive(root): """ O(N) solution """ return -1 != __get_depth(root) def __get_depth(root): """ return 0 if unbalanced else depth + 1 """ if root is None: return 0 left = __get_depth(root.left) right = __get_depth(root.right) if abs(left-right) > 1 or -1 in [left, right]: return -1 return 1 + max(left, right) # def is_balanced(root):# """# O(N^2) solution# """# left = max_height(root.left)# right = max_height(root.right)# return abs(left-right) <= 1 and is_balanced(root.left) and# is_balanced(root.right) # def max_height(root):# if root is None:.Use stack concepts Q #2 Ô https://www.loc-cs.org/~chu/DataStructu Essay Questions (20% each)- continue [0] [1] [2] [3] myList "Bashful" "Awful" Jumpy "Happy The above "myList" is an ArrayList in Java program. 2. If I want to remove "Awful" from myList, which of the following actions should I take first? a. Move "Happy" to the previous element first. b. Move "Jumpy" to the previous element first. Describe the reason of your choice. Next Page8. Know how to do these, to trace functions like these and to debug functions like these: // recursive power , compute xn int exp(int x, int n){ if(n== return return *exp( ); } void main(){ int a,b; cin >>a>>b; cout>a; rev_print(a); }#include <stdio.h> struct Single { int num; }; void printSingle(int f) { int binaryNum[33]; int i = 0; while(f>0) { binaryNum[i] = f % 2; f = f/2; i++; } for (int j=i-1; j>= 0; j--) { printf("%d",binaryNum[j]); } } int main() { struct Single single; single.num = 33; printf("Number: %d\n",single.num); printSingle(single.num); return 0; }Not allowed to add variables in brackets next to originIndex * @return index of the point that is closest to the origin, which is (0, 0) In * case of a tie, return the lowest index */ public int closestToOriginIndex() {SEE MORE QUESTIONSRecommended textbooks for youDatabase System ConceptsComputer ScienceISBN:9780078022159Author:Abraham Silberschatz Professor, Henry F. Korth, S. SudarshanPublisher:McGraw-Hill Education
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