answer:[C, 7]

answer:Here's a simple text-based version of the Battleship game in C++: ```cpp #include <iostream> #include <vector> #include <ctime> const int BOARD_SIZE = 10; const int NUM_SHIPS = 5; void print_board(const std::vector<std::vector<char>>& board) { for (int i = 0; i < BOARD_SIZE; ++i) { for (int j = 0; j < BOARD_SIZE; ++j) { std::cout << board[i][j] << " "; } std::cout << std::endl; } } bool is_valid_placement(const std::vector<std::vector<char>>& board, int row, int col, char ship_size) { if (row >= 0 && row < BOARD_SIZE && col >= 0 && col < BOARD_SIZE && board[row][col] == '.') { return true; } return false; } void place_ship(std::vector<std::vector<char>>& board, int row, int col, char ship_size) { board[row][col] = ship_size; } bool check_hit(std::vector<std::vector<char>>& board, int row, int col) { if (board[row][col] != '.' && board[row][col] != 'X') { board[row][col] = 'X'; return true; } return false; } bool all_ships_sunk(const std::vector<std::vector<char>>& board) { for (int i = 0; i < BOARD_SIZE; ++i) { for (int j = 0; j < BOARD_SIZE; ++j) { if (board[i][j] != '.' && board[i][j] != 'X') { return false; } } } return true; } int main() { std::vector<std::vector<char>> player_board(BOARD_SIZE, std::vector<char>(BOARD_SIZE, '.')); std::vector<std::vector<char>> opponent_board(BOARD_SIZE, std::vector<char>(BOARD_SIZE, '.')); srand(time(nullptr)); for (int i = 0; i < NUM_SHIPS; ++i) { int row = rand() % BOARD_SIZE; int col = rand() % BOARD_SIZE; while (!is_valid_placement(opponent_board, row, col, 'S')) { row = rand() % BOARD_SIZE; col = rand() % BOARD_SIZE; } place_ship(opponent_board, row, col, 'S'); } int ships_left = NUM_SHIPS; while (ships_left > 0) { print_board(player_board); int row, col; std::cout << "Enter the row and column to attack: "; std::cin >> row >> col; if (check_hit(opponent_board, row, col)) { std::cout << "Hit!" << std::endl; player_board[row][col] = 'X'; --ships_left; } else { std::cout << "Miss." << std::endl; player_board[row][col] = '.'; } } std::cout << "Congratulations! You sunk all the ships!" << std::endl; return 0; } ``` This program creates a simple text-based version of Battleship with a 10x10 grid. The user can enter their guesses for the opponent's ship locations, and the game will display hits and misses on the board. When all ships are sunk, the game ends, and the winner is determined. To compile and run this code, save it as `battleship.cpp` and use the following commands: ``` g++ -o battleship battleship.cpp ./battleship ```

answer:- Building sandcastles - Beach volleyball - Swimming in the ocean - Boogie boarding or body surfing - Flying kites - Collecting seashells - Playing beach games like frisbee or paddleball - Having a picnic on the beach

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