#include #include #include using namespace std; void guessGame(); // function prototype bool isCorrect( int, int ); // function prototype int main() { srand( time( 0 ) ); // seed random number generator guessGame(); } // end main // guessGame generates numbers between 1 and 1000 and checks user's guess void guessGame() { int answer; // randomly generated number int guess; // user's guess char response; // 'y' or 'n' response to continue game // loop until user types 'n' to quit game do { // generate random number between 1 and 1000 // 1 is shift, 1000 is scaling factor answer = 1 + rand() % 1000; // prompt for guess cout << "I have a number between 1 and 1000.\n" << "Can you guess my number?\n" << "Please type your first guess." << endl << "? "; cin >> guess; // loop until correct number while ( !isCorrect( guess, answer ) ) cin >> guess; // prompt for another game cout << "\nExcellent! You guessed the number!\n" << "Would you like to play again (y or n)? "; cin >> response; cout << endl; } while ( response == 'y' ); } // end function guessGame // isCorrect returns true if g equals a // if g does not equal a, displays hint bool isCorrect( int g, int a ) { // guess is correct if ( g == a ) return true; // guess is incorrect; display hint if ( g < a ) cout << "Too low. Try again.\n? "; else cout << "Too high. Try again.\n? "; return false; } // end function isCorrect Modify the code using the instructions in the picture.
C++
6.34
#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;
void guessGame(); // function prototype
bool isCorrect( int, int ); // function prototype
int main()
{
srand( time( 0 ) ); // seed random number generator
guessGame();
} // end main
// guessGame generates numbers between 1 and 1000 and checks user's guess
void guessGame()
{
int answer; // randomly generated number
int guess; // user's guess
char response; // 'y' or 'n' response to continue game
// loop until user types 'n' to quit game
do
{
// generate random number between 1 and 1000
// 1 is shift, 1000 is scaling factor
answer = 1 + rand() % 1000;
// prompt for guess
cout << "I have a number between 1 and 1000.\n"
<< "Can you guess my number?\n"
<< "Please type your first guess." << endl << "? ";
cin >> guess;
// loop until correct number
while ( !isCorrect( guess, answer ) )
cin >> guess;
// prompt for another game
cout << "\nExcellent! You guessed the number!\n"
<< "Would you like to play again (y or n)? ";
cin >> response;
cout << endl;
} while ( response == 'y' );
} // end function guessGame
// isCorrect returns true if g equals a
// if g does not equal a, displays hint
bool isCorrect( int g, int a )
{
// guess is correct
if ( g == a )
return true;
// guess is incorrect; display hint
if ( g < a )
cout << "Too low. Try again.\n? ";
else
cout << "Too high. Try again.\n? ";
return false;
} // end function isCorrect
Modify the code using the instructions in the picture.
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