Prove L4 is regular Use DFA if you need to construct a machine
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- Assign pizzasInStore's first element's numCalories with the value in pizzasInStore's second element's numCalories. #include <stdio.h>#include <string.h> typedef struct Pizza_struct { char pizzaName[75]; int numCalories;} Pizza; int main(void) { Pizza pizzasInStore[2]; scanf("%s", pizzasInStore[0].pizzaName); scanf("%d", &pizzasInStore[0].numCalories); scanf("%s", pizzasInStore[1].pizzaName); scanf("%d", &pizzasInStore[1].numCalories); /* Your code goes here */ printf("A %s slice contains %d calories.\n", pizzasInStore[0].pizzaName, pizzasInStore[0].numCalories); printf("A %s slice contains %d calories.\n", pizzasInStore[1].pizzaName, pizzasInStore[1].numCalories); return 0;} I tried 10 time but I cant solve it so please help mePlease Explain this code Step by Step (How Code Works). #include <stdio.h>#include <string.h>#include <stdlib.h>char password[10] = "1234";struct library{int id;char title[40];char author[20];float price;};//dynamic booksstruct library *b[100];int num = 0;void Add(){int count = 0;printf("How many books' info do you want to enter? ");scanf(" %d", &count);for (int i = 0; i < count; i++){b[num] = (struct library *)malloc(sizeof(struct library));//local variablesint id;char title[40];char author[20];float price;printf("Enter the following information about the book:\n");printf("Enter ID: ");scanf("%d%*c", &id);fflush(stdin);fflush(stdin);printf("Enter title: ");scanf("%[^\n]%*c", title);printf("Enter author's name: ");scanf("%[^\n]%*c", author);printf("Enter price(in Tk): ");scanf("%f", &price);//check if information exists alreadyfor (int i = 0; i < num; i++){if (b[i]->id == id){printf("Book with id %d already present in the library",…Programming in C#: Write a console-based application that displays every perfect number from 1 through 10000. A number is perfect if it equals the sum of all the smaller positive integers that divide evenly into it. For example, 6 is perfect because 1, 2, and 3 divide evenly into it and their sum is 6. Use format strings(field size 8, right alignment) to show all perfect numbers. Display the results as seen below. 6 28 496 8128
- C++ Help. "qwerty" is a string commonly found in weak passwords. Remove all occurrences of "qwerty" from secretStr. Then, assign lengthStr with the length of secretStr. Ex: If the input is qwertyvk*M7$gKXhJ%P9qwerty, then the output is: Remaining string: vk*M7$gKXhJ%P9 Length: 14 Note: string.find(item) returns the index of the first occurrence of item in string. If no occurrence is found, then the function returns string::npos. string.replace(indx, num, subStr) replaces characters at indices indx to indx+num-1 with a copy of subStr. Code provided to complete: #include <iostream>#include <string>using namespace std; int main() { string secretStr; int index; int lengthStr; cin >> secretStr; index = 0; lengthStr = 0; /* Your code goes here */ cout << "Remaining string: " << secretStr << endl; cout << "Length: " << lengthStr << endl; return 0;}void removeStudent(){System.out.print("\n Enter StudentID to remove: ");long id =sc.nextLong();int pos = searchStudentID(id);if(pos == -1)System.out.println("\n ERROR: No student found having same ID: " + id);elsecourses.remove(pos);} int searchStudentID(long studentID){for(int c = 0; c < students.size(); c++)if(studentID == students.get(c).getId())return c;return -1;} The code is supposed to prompt the user to enter a studentID and if it is in the records then it will be removed, but instead it just prompts me to enter and when i enter the ID, it does not remove the ID (I display the data again after I supposedly removed it but it is still there) and just returns back to the menu. What can I do to correct it?void removeStudent(){System.out.print("\n Enter StudentID to remove: ");long id =sc.nextLong();int pos = searchStudentID(id);if(pos == -1)System.out.println("\n ERROR: No student found having same ID: " + id);elsecourses.remove(pos);} int searchStudentID(long studentID){for(int c = 0; c < students.size(); c++)if(studentID == students.get(c).getId())return c;return -1;} The code is supposed to prompt the user to enter a studentID and if it is in the records then it will be removed, but instead it just prompts me to enter and when i enter the ID, it just exits and goes back to the menu. is there something wrong with my code?
- Write in C Language Frequent Letter Your Facebook account has just been hacked and you want to change its password. To create a strongpassword, Facebook just recommended you two strings S and T, each contains N lowercase English letters. You want to choose a password containing N lowercase English letters such that the i th character is either the i th character of S or the i th character of T. For example, if S = icyz and T = ixpc, then there are 8 different passwords that you can choose: icyz, icyc, icpz, icpc, ixyz, ixyc, ixpz, ixpc. The strength of your password is defined as the number of occurences of the most frequent letter. For example, the strength of icyz is 1 and the strength icpc is 2. You are wondering what is the strength of the strongest password that you can choose.PHP Write a matchIPAddress function Write a function matchIPAddress($str) that takes a string representing an IP address as a parameter. The function should return true if the IP address is valid, and false if it is not. An IP address consists of a series of 4 numbers on the range 0-255 separated by dots (e.g. 192.168.0.1). Use regular expressions with capture groups and some additional validation in your solution (e.g. preg_match).]Given following code and write comments for those code #include <stdio.h>#include <stdbool.h>#include <string.h>#include <ctype.h> #define MAX_PASSWORD_LENGTH 128#define MIN_PASSWORD_LENGTH 10#define ALLOW_PASSPHRASE true#define MIN_PHRASE_LENGTH 20#define OPTIONAL_TESTS_REQUIRED true#define MIN_OPTIONAL_TESTS_TO_PASS 4 bool isStrongPassword(char *password);void printTestResults(char *password, bool isPassphrase, int optionalTestsPassed); int main() { char passwords[][128] = { "password", "mypassword", "thisismypassword", "passssword", "This is my password phrase1", "Tinypw1", "Ireallydontlikehavingtomakeupnewpasswordsallthetime1", "Iloveyouxxxooo1", "Boom**********!", "IHATEPWORDS1!", "ihatepwords1!", "IHatePwords!", "IHatePwords", "my pass phrase does not need to pass tests", "short pass phrase", "x", "x1", "Zxcvbnmnas7",…
- # Write python codes here.print("Total E-Customer:", ECustomer.count)c1 = ECustomer("James")c1.setProductDetails("TV",35000,"Air Cooler", 9000)c2 = ECustomer("Mike")c2.setProductDetails("Mobile",20000,"Headphone",1200,"Fridge", 45000)c3 = ECustomer("Sarah")c3.setProductDetails("Headphone", 1200)print("=========================")c1.printDetail()print("=========================")c2.printDetail()print("=========================")c3.printDetail()print("=========================")print("Total E-Customer:", ECustomer.count)Output:Total E-Customer: 0=========================Name: JamesProducts: TV, Air CoolerTotal cost: 44000=========================Name: MikeProducts: Mobile, Headphone, FridgeTotal cost: 66200=========================Name: SarahProducts: HeadphoneTotal cost: 1200=========================Total E-Customer: 3Question 5 Write a program in C++ that ranks a data set of Poker hands.2 3 4 5 6 7 8 9 10 J Q K A Suit: S H D C**This program should be able to tell the difference between higher hands of flushes and rank them accordingly. Full explain this question and text typing work only thanksfunction myChoice(items) {if (!this.value && !this.items) {this.items = items[0];} else if (!this.value || (params.length > 0 && params[0] == "rechoose")) {let index = Math.floor(Math.random() * (this.items.length - 0)) + 0;this.value = this.items[index];return this.value;}return this.value;} var a = myChoice([1, "a", 3, false]);console.log(myChoice(3, 12));console.log(myChoice(51, -2));console.log(myChoice("happy", false));console.log(myChoice([1, 2, 3]));console.log(myChoice("rechoose"));console.log(myChoice(a, a)); these are directions and examples myChoice( items ) This function accepts a list of items as input and creates a function that returns a randomly-chosen item. After choosing a random item, that same item will be always be returned, regardless of the functions input, with one exception. If the first input is the string 'rechoose', then a new random item will be chosen and therafter returned. this is KEYYYY!! Examples var a = myChoice( [1, "a", 3, false]…