Ошибка сегмента для программы на C++ [дубликат] ⇐ C++

[Anonymous]

Всякий раз, когда я пытаюсь ввести название, описание фильма или что-либо еще, связанное со строковой записью, всегда выделяются ошибки. Я могу ввести название и жанр фильма нормально.

Код: Выделить всё

#include "splashkit.h"
#include 

using namespace std;
using std::stoi;
using std::to_string;

struct Review {
string description;
int rating;
};

struct Movie {
string name;
string genre;
string description;
Review reviews[100];
int review_count;
};

// Database struct
struct Database {
Movie movies[100]; // Array to hold movies, assuming max 100 movies
string genres[100]; // Array to hold genres, assuming max 100 genres
int ratings[100];
int movie_count;
int genre_count;
int rating_count;
};

int read_integer(const string& prompt) {
write(prompt);
return stoi(read_line());
}

void add_movie(Database &db);
void view_all_movies(Database &db);
void view_details(Database &db, int movie_index);
void alter_movie(Database &db, int movie_index);
void add_review(Database &db, int movie_index);
void delete_movie(Database &db, int movie_index);
void list_movies_with_genre(Database &db);
void list_all_movies_above_desired_rating(Database &db);
void main_menu(Database &db);
void details_menu(Database &db, int movie_index);

// Function to add a new movie to the database
void add_movie(Database &db) {
Movie new_movie;

// Get user input for movie details
write_line("Adding a New Movie:");
write_line("Enter the name of the movie:");
new_movie.name = read_line();

write_line("Select the genre of the movie:");
write_line("1. Action");
write_line("2. Romance");
write_line("3. Sci-Fi");
write_line("4. Fantasy");
int genre_choice;
do {
write_line("Enter your choice (1-4):");
genre_choice = stoi(read_line());
switch (genre_choice) {
case 1:
new_movie.genre = "Action";
break;
case 2:
new_movie.genre = "Romance";
break;
case 3:
new_movie.genre = "Sci-Fi";
break;
case 4:
new_movie.genre = "Fantasy";
break;
default:
write_line("Invalid choice. Please enter a number between 1 and 4.");
break;
}
} while (genre_choice < 1 || genre_choice > 4);

// Initialize description to an empty string
new_movie.description = "";

write_line("Enter the description of the movie:");
new_movie.description = read_line(); // Store the description

// Store the new movie in the database
db.movies[db.movie_count++] = new_movie;
}

// Function to view all movies and select one for action
void view_all_movies(Database &db) {
write_line("Movies in the Database:");
if (db.movie_count == 0) {
write_line("No movies found.");
} else {
for (int i = 0; i < db.movie_count; ++i) {
write_line(to_string(i + 1) + ": " + db.movies[i].name);
}
write_line("Enter the number of the movie you would like to select:");
int movie_number;
do {
movie_number = stoi(read_line());
if (movie_number < 1 || movie_number > db.movie_count) {
write_line("Invalid movie number. Please enter a number between 1 and " + to_string(db.movie_count) + ":");
}
} while (movie_number < 1 || movie_number > db.movie_count);

// Pass control to the details_menu for the selected movie
details_menu(db, movie_number - 1);
}
// Return to the main menu after details_menu
main_menu(db); // Update function call
}

void details_menu(Database &db, int movie_index) {
Movie selected_movie = db.movies[movie_index];
write_line("Details Menu for " + selected_movie.name + ":");
write_line("1. View Details");
write_line("2. Alter Movie");
write_line("3. Add Review");
write_line("4.  Delete Movie");
write_line("Enter your choice (1-4):");
int choice;
do {
choice = stoi(read_line());
switch (choice) {
case 1:
view_details(db, movie_index);
break;
case 2:
alter_movie(db, movie_index);
break;
case 3:
// Add Review
add_review(db, movie_index);
break;
case 4:
// Delete Movie
delete_movie(db, movie_index);
break;
default:
write_line("Invalid choice. Please enter a number between 1 and 4.");
break;
}
} while (choice < 1 || choice > 4);
}

void main_menu(Database &db) {
int choice = 0;
do {
write_line("Main Menu:");
write_line("1. Add Movie");
write_line("2. View All Movies");
write_line("3. List Movies with Genre");
write_line("4. List Movies above Desired Rating");
write_line("5. Main Menu");
write_line("Enter your choice (1-5): ");
choice = stoi(read_line());
switch (choice) {
case 1:
add_movie(db);
break;
case 2:
view_all_movies(db);
break;
case 3:
list_movies_with_genre(db); // Call the function to list movies with genre
break;
case 4:
list_all_movies_above_desired_rating(db); // Call the function to list movies above desired rating
break;
case 5:
// Main Menu (do nothing, loop will continue)
break;
default:
write_line("Invalid choice. Please enter a number between 1 and 5.");
break;
}
} while (choice != 5);
}

void view_details(Database &db, int movie_index) {
Movie selected_movie = db.movies[movie_index];
write_line("Details for " + selected_movie.name + ":");
write_line("Genre: " + selected_movie.genre);
write_line("Description: " + selected_movie.description);
write_line("Reviews:");
if (selected_movie.review_count == 0) {
write_line("No reviews available.");
} else {
for (int i = 0; i < selected_movie.review_count; ++i) {
write_line("Review " + to_string(i + 1) + ": " + selected_movie.reviews[i].description);
write_line("Rating: " + to_string(selected_movie.reviews[i].rating));
}
}
}

void alter_movie(Database &db, int movie_index) {
Movie &selected_movie = db.movies[movie_index]; // Reference to the selected movie
write_line("Select what you want to alter:");
write_line("1. Name");
write_line("2. Genre");
write_line("3. Description");
write_line("4. Review Description");
write_line("5. Rating");
write_line("Enter your choice (1-5):");
int choice;
do {
choice = stoi(read_line());
switch (choice) {
case 1:
write_line("Enter the new name:");
selected_movie.name = read_line();
break;
case 2:
write_line("Select the new genre:");
write_line("1. Action");
write_line("2. Romance");
write_line("3. Sci-Fi");
write_line("4.  Fantasy");
int genre_choice;
do {
write_line("Enter your choice (1-4):");
genre_choice = stoi(read_line());
switch (genre_choice) {
case 1:
selected_movie.genre = "Action";
break;
case 2:
selected_movie.genre = "Romance";
break;
case 3:
selected_movie.genre = "Sci-Fi";
break;
case 4:
selected_movie.genre = "Fantasy";
break;
default:
write_line("Invalid choice. Please enter a number between 1 and 4.");
break;
}
} while (genre_choice < 1 || genre_choice > 4);
break;
case 3:
write_line("Enter the new description:");
selected_movie.description = read_line();
break;
case 4:
if (selected_movie.review_count == 0) {
write_line("No reviews available to alter.");
} else {
write_line("Select the review to alter:");
for (int i = 0; i < selected_movie.review_count; ++i) {
write_line(to_string(i + 1) + ". " + selected_movie.reviews[i].description);
}
int review_choice;
do {
write_line("Enter your choice (1-" + to_string(selected_movie.review_count) + "):");
review_choice = stoi(read_line());
if (review_choice < 1 || review_choice > selected_movie.review_count) {
write_line("Invalid choice. Please enter a number between 1 and " + to_string(selected_movie.review_count) + ".");
}
} while (review_choice < 1 || review_choice > selected_movie.review_count);
write_line("Enter the new review description:");
selected_movie.reviews[review_choice - 1].description = read_line();
}
break;
case 5:
if (selected_movie.review_count == 0) {
write_line("No reviews available to alter.");
} else {
write_line("Select the review to alter:");
for (int i = 0; i < selected_movie.review_count; ++i) {
write_line(to_string(i + 1) + ". " + selected_movie.reviews[i].description);
}
int review_choice;
do {
write_line("Enter your choice (1-" + to_string(selected_movie.review_count) + "):");
review_choice = stoi(read_line());
if (review_choice < 1 || review_choice > selected_movie.review_count) {
write_line("Invalid choice. Please enter a number between 1 and " + to_string(selected_movie.review_count) + ".");
}
} while (review_choice < 1 || review_choice > selected_movie.review_count);
write_line("Enter the new rating:");
selected_movie.reviews[review_choice - 1].rating = stoi(read_line());
}
break;
default:
write_line("Invalid choice.  Please enter a number between 1 and 5.");
break;
}
} while (choice < 1 || choice > 5);
}

void add_review(Database &db, int movie_index) {
Movie &selected_movie = db.movies[movie_index]; // Reference to the selected movie
if (selected_movie.review_count >= 10) {
write_line("Sorry, you can't add more than 10 reviews for a movie.");
return;
}
write_line("Write a description about how you felt about the movie:");
string review_description = read_line();
write_line("Rate the movie from 1 to 10:");
int rating;
do {
rating = stoi(read_line());
if (rating < 1 || rating > 10) {
write_line("Invalid rating. Please enter a number between 1 and 10:");
}
} while (rating < 1 || rating > 10);

// Add the review to the selected movie
selected_movie.reviews[selected_movie.review_count].description = review_description;
selected_movie.reviews[selected_movie.review_count].rating = rating;
selected_movie.review_count++;

write_line("Review added successfully!");
}

void delete_movie(Database &db, int movie_index) {
Movie &selected_movie = db.movies[movie_index]; // Reference to the selected movie

// Shift movies to the left to fill the gap caused by deletion
for (int i = movie_index; i < db.movie_count - 1; ++i) {
db.movies[i] = db.movies[i + 1];
}

// Decrease the movie count to reflect the deletion
db.movie_count--;

write_line("Movie '" + selected_movie.name + "' deleted successfully.");
}

void list_movies_with_genre(Database &db) {
write_line("Select the genre of movies you would like to see:");
write_line("1. Action");
write_line("2. Romance");
write_line("3. Sci-Fi");
write_line("4. Fantasy");

int genre_choice;
do {
write_line("Enter your choice (1-4):");
genre_choice = stoi(read_line());
if (genre_choice < 1 || genre_choice > 4) {
write_line("Invalid choice. Please enter a number between 1 and 4.");
}
} while (genre_choice < 1 || genre_choice > 4);

string selected_genre;
switch (genre_choice) {
case 1:
selected_genre = "Action";
break;
case 2:
selected_genre = "Romance";
break;
case 3:
selected_genre = "Sci-Fi";
break;
case 4:
selected_genre = "Fantasy";
break;
}

bool found = false;
write_line("Movies with Genre '" + selected_genre + "':");
for (int i = 0; i < db.movie_count; ++i) {
if (db.movies[i].genre == selected_genre) {
write_line(db.movies[i].name);
found = true;
}
}
if (!found) {
write_line("No movies found with genre '" + selected_genre + "'.");
}
}

void list_all_movies_above_desired_rating(Database &db) {
write_line("Enter the desired rating (1-10):");
int desired_rating;
do {
desired_rating = stoi(read_line());
if (desired_rating < 1 || desired_rating > 10) {
write_line("Invalid rating.  Please enter a number between 1 and 10:");
}
} while (desired_rating < 1 || desired_rating > 10);

bool found = false;
write_line("Movies with Rating Above or Equal to " + to_string(desired_rating) + ":");
for (int i = 0; i < db.movie_count; ++i) {
bool rating_above_desired = false;
for (int j = 0; j < db.movies[i].review_count; ++j) {
if (db.movies[i].reviews[j].rating >= desired_rating) {
rating_above_desired = true;
break;
}
}
if (rating_above_desired) {
write_line(db.movies[i].name);
found = true;
}
}
if (!found) {
write_line("No movies found with a rating above or equal to " + to_string(desired_rating) + ".");
}
}

int main() {
Database db; // Create the database object
main_menu(db); // Call the main menu function with the database object
return 0;
}

Честно говоря, никогда раньше не сталкивался с этой проблемой. Меня это действительно раздражает. Мне сказали, что это может быть связано с самой библиотекой?

Подробнее здесь: https://stackoverflow.com/questions/784 ... -c-program