Correct logic error and modify the C++ code. 1-Use loop 3 times to ask pin from user when user enter wrong pin 3 times then excute the program. 2-if user correct guess before tries excute and ask if you play again if user say no excute the program. 3-Correct line Geneerate random number between 1 to 50. 4-Correct logic error if you found anyothers. Code: //included header file for basic input output stream #include //included header file for file stream #include //included header file to use rand() function #include //included header file to use time() function #include //included namespace using namespace std; //function to generate random number int generateRandom() { //use srand() function to change the random number after each execution srand((unsigned int) time(0)); //generated a random number between 1-50 through rand() function int randomNumber = rand()%50; //return random number to main() return randomNumber; } //function tooLow() void tooLow() { //print statement to print the message cout << "You have guessed too low." << endl; } //function tooHigh() void tooHigh() { //print statement to print the message cout << "You have guessed too high." << endl; } //function guessedCorrect() void guessedCorrect() { //print statement to print the message cout << "You have guessed correct." << endl; } //function to check guess void checkGuess(int guess, int randomNumber) { //If the users guesses below the number if (guess < randomNumber) //call a function tooLow() tooLow(); //If they guess over that number elseif (guess > randomNumber) //call a function tooHigh() tooHigh(); //else statement else //call a function guessedCorrect() guessedCorrect(); } //function to start game void guessGame() { //welcome message cout << "------------Welcome to the game------------" << endl; //variable declaration int guess, level, trial = 0, numberOfTries; cout << "Enter level of game: " << endl; cout << "Press 1 for easy level" << endl; cout << "Press 2 for medium level" << endl; cout << "Press 3 for hard level" << endl; //input level cin >> level; //switch level switch (level) { //case 1 case1: //assign numberOfTries to 8 numberOfTries = 8; //break break; //case 2 case2: //assign numberOfTries to 5 numberOfTries = 5; //break break; //case 3 case3: //assign numberOfTries to 2 numberOfTries = 2; //break break; //default case default: //display message "Wrong choice entered." cout << "Wrong choice entered." << endl; } //while loop run until numberOfTries while (trial < numberOfTries) { cout << "Enter your guess: "; //input number from user cin >> guess; //calling generateRandom int randomNumber = generateRandom(); //calling checkGuess() checkGuess(guess, randomNumber); //increment trial trial++; } } //main function int main() { //declared variable guess int pin, filePin; //created file ifstream file; //opening file file.open("gamePin.txt"); //input pin from user cout << "Enter pin: "; cin >> pin; //extract pin from file file >> filePin; //compare user pin and pin in file if (pin == filePin) //calling guessGame() guessGame(); //else statement else //display message "Wrong pin" cout << "Wrong pin" << endl; return0; }

Correct logic error and modify the C++ code. 1-Use loop 3 times to ask pin from user when user enter wrong pin 3 times then excute the program. 2-if user correct guess before tries excute and ask if you play again if user say no excute the program. 3-Correct line Geneerate random number between 1 to 50. 4-Correct logic error if you found anyothers. Code: //included header file for basic input output stream #include //included header file for file stream #include //included header file to use rand() function #include //included header file to use time() function #include //included namespace using namespace std; //function to generate random number int generateRandom() { //use srand() function to change the random number after each execution srand((unsigned int) time(0)); //generated a random number between 1-50 through rand() function int randomNumber = rand()%50; //return random number to main() return randomNumber; } //function tooLow() void tooLow() { //print statement to print the message cout << "You have guessed too low." << endl; } //function tooHigh() void tooHigh() { //print statement to print the message cout << "You have guessed too high." << endl; } //function guessedCorrect() void guessedCorrect() { //print statement to print the message cout << "You have guessed correct." << endl; } //function to check guess void checkGuess(int guess, int randomNumber) { //If the users guesses below the number if (guess < randomNumber) //call a function tooLow() tooLow(); //If they guess over that number elseif (guess > randomNumber) //call a function tooHigh() tooHigh(); //else statement else //call a function guessedCorrect() guessedCorrect(); } //function to start game void guessGame() { //welcome message cout << "------------Welcome to the game------------" << endl; //variable declaration int guess, level, trial = 0, numberOfTries; cout << "Enter level of game: " << endl; cout << "Press 1 for easy level" << endl; cout << "Press 2 for medium level" << endl; cout << "Press 3 for hard level" << endl; //input level cin >> level; //switch level switch (level) { //case 1 case1: //assign numberOfTries to 8 numberOfTries = 8; //break break; //case 2 case2: //assign numberOfTries to 5 numberOfTries = 5; //break break; //case 3 case3: //assign numberOfTries to 2 numberOfTries = 2; //break break; //default case default: //display message "Wrong choice entered." cout << "Wrong choice entered." << endl; } //while loop run until numberOfTries while (trial < numberOfTries) { cout << "Enter your guess: "; //input number from user cin >> guess; //calling generateRandom int randomNumber = generateRandom(); //calling checkGuess() checkGuess(guess, randomNumber); //increment trial trial++; } } //main function int main() { //declared variable guess int pin, filePin; //created file ifstream file; //opening file file.open("gamePin.txt"); //input pin from user cout << "Enter pin: "; cin >> pin; //extract pin from file file >> filePin; //compare user pin and pin in file if (pin == filePin) //calling guessGame() guessGame(); //else statement else //display message "Wrong pin" cout << "Wrong pin" << endl; return0; }

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Correct logic error and modify the C++ code.

1-Use loop 3 times to ask pin from user when user enter wrong pin 3 times then excute the program.

2-if user correct guess before tries excute and ask if you play again if user say no excute the program.

3-Correct line Geneerate random number between 1 to 50.

4-Correct logic error if you found anyothers.

Code:

//included header file for basic input output stream

#include<iostream>

//included header file for file stream

#include<fstream>

//included header file to use rand() function

#include<cstdlib>

//included header file to use time() function

#include<ctime>

//included namespace

using namespace std;

//function to generate random number

int generateRandom() {

//use srand() function to change the random number after each execution

srand((unsigned int) time(0));

//generated a random number between 1-50 through rand() function

int randomNumber = rand()%50;

//return random number to main()

return randomNumber;

}

//function tooLow()

void tooLow() {

//print statement to print the message

cout << "You have guessed too low." << endl;

}

//function tooHigh()

void tooHigh() {

//print statement to print the message

cout << "You have guessed too high." << endl;

}

//function guessedCorrect()

void guessedCorrect() {

//print statement to print the message

cout << "You have guessed correct." << endl;

}

//function to check guess

void checkGuess(int guess, int randomNumber) {

//If the users guesses below the number

if (guess < randomNumber)

//call a function tooLow()

tooLow();

//If they guess over that number

elseif (guess > randomNumber)

//call a function tooHigh()

tooHigh();

//else statement

else

//call a function guessedCorrect()

guessedCorrect();

}

//function to start game

void guessGame() {

//welcome message

cout << "------------Welcome to the game------------" << endl;

//variable declaration

int guess, level, trial = 0, numberOfTries;

cout << "Enter level of game: " << endl;

cout << "Press 1 for easy level" << endl;

cout << "Press 2 for medium level" << endl;

cout << "Press 3 for hard level" << endl;

//input level

cin >> level;

//switch level

switch (level) {

//case 1

case1:

//assign numberOfTries to 8

numberOfTries = 8;

//break

break;

//case 2

case2:

//assign numberOfTries to 5

numberOfTries = 5;

//break

break;

//case 3

case3:

//assign numberOfTries to 2

numberOfTries = 2;

//break

break;

//default case

default:

//display message "Wrong choice entered."

cout << "Wrong choice entered." << endl;

}

//while loop run until numberOfTries

while (trial < numberOfTries) {

cout << "Enter your guess: ";

//input number from user

cin >> guess;

//calling generateRandom

int randomNumber = generateRandom();

//calling checkGuess()

checkGuess(guess, randomNumber);

//increment trial

trial++;

}

//main function

int main() {

//declared variable guess

int pin, filePin;

//created file

ifstream file;

//opening file

file.open("gamePin.txt");

//input pin from user

cout << "Enter pin: ";

cin >> pin;

//extract pin from file

file >> filePin;

//compare user pin and pin in file

if (pin == filePin)

//calling guessGame()

guessGame();

//else statement

else

//display message "Wrong pin"

cout << "Wrong pin" << endl;

return0;

}

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