guessingGame

rtf

School

Tacoma Community College *

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Course

142

Subject

Computer Science

Date

Nov 24, 2024

Type

rtf

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#include <iostream> #include <math.h> #include <stdlib.h> #include <time.h> #include <limits.h> #include <string.h> #define NUM_LEADERS 5 /*---------------------------------------------------- Struct to store player data ----------------------------------------------------*/ typedef struct { char name[30]; int num_guesses; } Player; /*---------------------------------------------------- GetGuess prompts the user for a guess between 10 and 100 and checks for valid input ----------------------------------------------------*/ int GetGuess() { int guess; printf("Guess a value between 10 and 100: "); int num_values = scanf("%d", &guess); // Use anytime reading input from user while (getchar() != '\n'); // clear buffer of newline // re-prompt if user enters invalid guess while (num_values != 1 || guess < 10 || guess > 100) { printf("Make sure your guess is between 10 and 100: "); num_values = scanf("%d", &guess); while (getchar() != '\n'); } return guess; } /*---------------------------------------------------- PlayGuessingGame generates the number to be guessed and then prompts the user for a guess; guesses are indicated to be 'too high' or 'too low' until the user guesses correctly; returns the number of guesses made ----------------------------------------------------*/ int PlayGuessingGame() { // Generate a random number between 10 and 100 and find its square root

srand(( unsigned int )time( NULL )); // Seed generator with the current time int numberToGuess = rand() % 100 + 1; double squareRoot = sqrt(numberToGuess); // cout << squareRoot << " is the square root of what number?" << endl; printf("%.8f is the square root of what number? (%d) ", squareRoot, numberToGuess); //printf("%.8f is the square root of what number?", squareRoot); int num_guesses = 0; char done = 0; while (!done) { int guess = GetGuess(); num_guesses++; if (guess < numberToGuess) printf("Too low, guess again: "); else if (guess > numberToGuess) printf("Too high, guess again: "); else done = 1; } printf("You got it baby!\n"); return num_guesses; } /*---------------------------------------------------- InsertPlayer inserts a player into the leaders array such that the order is maintained ----------------------------------------------------*/ void InsertPlayer(Player leaders[], Player player) { // find insertion index int insertion_idx = -1; for ( int i = NUM_LEADERS-1; i >= 0; i--) if (player.num_guesses < leaders[i].num_guesses) insertion_idx = i; if (insertion_idx != -1) { // right shift players if necessary int i = NUM_LEADERS-1; while (i > insertion_idx) { leaders[i] = leaders[i-1]; i--;

} // put new player at good index leaders[insertion_idx] = player; } } /*---------------------------------------------------- Printleaders displays the current state of the leaders array ----------------------------------------------------*/ void Printleaders(Player leaders[]) { printf("Here are the current leaders:\n"); for ( int i = 0; i < NUM_LEADERS; i++) { if (leaders[i].num_guesses != INT_MAX) printf("%s made %d guesses\n", leaders[i].name, leaders[i].num_guesses); } } /*---------------------------------------------------- Writeleaders writes the leaders array to a text file ----------------------------------------------------*/ void Writeleaders( char filename[], Player leaders[]) { FILE* fp = fopen(filename, "w"); // Check file before opening if (fp == NULL ) printf("Error opening file\n"); for ( int i = 0; i < NUM_LEADERS; i++) if (leaders[i].num_guesses != INT_MAX) fprintf( fp, "%s %d\n", leaders[i].name, leaders[i].num_guesses); fclose(fp); } /*---------------------------------------------------- Readleaders reads data from the file into the leaders array ----------------------------------------------------*/ void Readleaders( char filename[], Player leaders[]) { FILE* fp = fopen(filename, "r"); if (fp == NULL ) return ; for ( int i = 0; i < NUM_LEADERS; i++) fscanf( fp, "%s %d\n", leaders[i].name, &(leaders[i].num_guesses)); fclose(fp); } /*---------------------------------------------------- main prompts the user to play or quit and then enters a loop to allow the user to play as many times as they like

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----------------------------------------------------*/ int main() { Player leaders[NUM_LEADERS]; for ( int i = 0; i < NUM_LEADERS; i++) leaders[i].num_guesses = INT_MAX; Readleaders("/Users/kylemabrey/CSE240SrcFiles/leaderboard.txt", leaders); printf("Welcome! Press 'q' to quit or any other key to continue:\n"); char c, game_over = 0; while (!game_over) { scanf(" %c", &c); if (c == 'q') { game_over = 1; printf("Bye Bye!\n"); } else { Player current_player; printf("Please enter your name to start:"); scanf("%s", current_player.name); current_player.num_guesses = PlayGuessingGame(); printf("You made %d guesses.\n", current_player.num_guesses); InsertPlayer(leaders, current_player); Printleaders(leaders); printf("Press 'q' to quit or any other key to continue:\n"); } } Writeleaders("/Users/kylemabrey/CSE240SrcFiles/leaderboard.txt", leaders); return 0; }

The program for A5 must be converted to C++. This includes using iostream instead of stdio. For file I/O you can continue to use fprintf etc. by including cstdio. The main function and the PlayGuessingGame functions can remain as standalone functions but you will need to create a class for the leaderboard and for the player

#include <iostream> #include <cmath> #include <cstdlib> #include <ctime> #include <limits> #include <fstream> #include <cstring> #define NUM_LEADERS 5 using namespace std; /*---------------------------------------------------- Struct to store player data ----------------------------------------------------*/ struct Player { char name[30]; int num_guesses; }; /*---------------------------------------------------- GetGuess prompts the user for a guess between 10 and 100 and checks for valid input ----------------------------------------------------*/ int GetGuess() { int guess; cout << "Guess a value between 10 and 100: "; while (!(cin >> guess) || guess < 10 || guess > 100) { cout << "Make sure your guess is between 10 and 100: "; cin.clear(); cin.ignore(numeric_limits<streamsize>::max(), '\n'); } cin.ignore(numeric_limits<streamsize>::max(), '\n'); return guess; } /*---------------------------------------------------- PlayGuessingGame generates the number to be guessed and then prompts the user for a guess; guesses are indicated to be 'too high' or 'too low' until the user guesses correctly; returns the number of guesses made

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----------------------------------------------------*/ int PlayGuessingGame() { srand(static_cast<unsigned int>(time(NULL))); int numberToGuess = rand() % 100 + 1; double squareRoot = sqrt(numberToGuess); cout << squareRoot << " is the square root of what number? (" << numberToGuess << ") "; int num_guesses = 0; bool done = false; while (!done) { int guess = GetGuess(); num_guesses++; if (guess < numberToGuess) cout << "Too low, guess again: "; else if (guess > numberToGuess) cout << "Too high, guess again: "; else done = true; } cout << "You got it!\n"; return num_guesses; } /*---------------------------------------------------- InsertPlayer inserts a player into the leaders array such that the order is maintained ----------------------------------------------------*/ void InsertPlayer(Player leaders[], Player player) { int insertion_idx = -1; for (int i = NUM_LEADERS - 1; i >= 0; i--) { if (player.num_guesses < leaders[i].num_guesses) { insertion_idx = i; } } if (insertion_idx != -1) { for (int i = NUM_LEADERS - 1; i > insertion_idx; i--)

{ leaders[i] = leaders[i - 1]; } leaders[insertion_idx] = player; } } /*---------------------------------------------------- Printleaders displays the current state of the leaders array ----------------------------------------------------*/ void Printleaders(Player leaders[]) { cout << "Here are the current leaders:\n"; for (int i = 0; i < NUM_LEADERS; i++) { if (leaders[i].num_guesses != numeric_limits<int>::max()) { cout << leaders[i].name << " made " << leaders[i].num_guesses << " guesses" << endl; } } } /*---------------------------------------------------- Writeleaders writes the leaders array to a text file ----------------------------------------------------*/ void Writeleaders(const char filename[], Player leaders[]) { ofstream file(filename); if (file.is_open()) { for (int i = 0; i < NUM_LEADERS; i++) { if (leaders[i].num_guesses != numeric_limits<int>::max()) { file << leaders[i].name << " " << leaders[i].num_guesses << endl; } } file.close(); } else { cout << "Error opening file: " << filename << endl; } } /*----------------------------------------------------

Readleaders reads data from the file into the leaders array ----------------------------------------------------*/ void Readleaders(const char filename[], Player leaders[]) { ifstream file(filename); if (file.is_open()) { for (int i = 0; i < NUM_LEADERS; i++) { file >> leaders[i].name >> leaders[i].num_guesses; } file.close(); } } /*---------------------------------------------------- main prompts the user to play or quit and then enters a loop to allow the user to play as many times as they like ----------------------------------------------------*/ int main() { Player leaders[NUM_LEADERS]; for (int i = 0; i < NUM_LEADERS; i++) { leaders[i].num_guesses = numeric_limits<int>::max(); } Readleaders("/Users/kylemabrey/CSE240SrcFiles/leaderboard.txt", leaders); cout << "Welcome! Press 'q' to quit or any other key to continue:\n"; char c; bool game_over = false; while (!game_over) { cin >> c; if (c == 'q') { game_over = true; cout << "Bye Bye!\n"; } else { Player current_player;

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cout << "Please enter your name to start: "; cin >> current_player.name; current_player.num_guesses = PlayGuessingGame(); cout << "You made " << current_player.num_guesses << " guesses.\n"; InsertPlayer(leaders, current_player); Printleaders(leaders); cout << "Press 'q' to quit or any other key to continue:\n"; } } Writeleaders("/Users/kylemabrey/CSE240SrcFiles/leaderboard.txt", leaders); return 0; }

guessingGame

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