CS 580U Program 4 – Files and Structures solution


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Tournament In this lab you are going to implement your own tournament program with teams consisting of players. You will alter the driver code to give the teams whatever names you like, but you will read the players’ data from a file. ● Part A ○ Create a Player struct that has the following attributes: ■ offensive (int) ■ defensive (int) ■ number (int) ■ team (int) ■ first (char *) ■ last (char *) ○ Next you will need to create a struct called Team that contains: ■ a string buffer for the team name (char *) ■ a pointer to an array of players (Player *) ● You may add any additional attributes you require ○ Create the following functions: ■ Player * draftPlayers(char * filename, int team, int num_players) ● The draft players function takes a filename for a file containing players in the following format: , , , , , ○ Each player information will be on a separate line ○ You are guaranteed to only have well formed files. ● The function should return an array of for the given team number ■ Team * initializeTeam(char * name, Player * players) ● which takes a team name (char *) and an array of players. ● The function should: ● Create a Team struct, ● The function should return a pointer to the newly created team (not a copy). ■ The driver code will use your initializeTeam() function to create 8, 16, or 32 teams, which will be placed into an array called league[], so make sure your function follows the expected interface. ○ Next you will write the function: ■ Team * game(Team *, Team *) that takes pointers to two teams (Team *). Your game() function should complete the following: ■ The algorithm for determining the winner of a game is as follows: ● Each team gets 10 attempts to score. ● You must compare the defensive team’s players total defense with a random value between 0 and the offensive team’s total offense. ● If the final offensive value is greater than the defense, the team has a scored. ■ Return a pointer to the winner. ○ Make sure this works correctly before moving on to the next part. ○ NOTE: You will need to typedef your structs to remove the struct keyword in order to run the supplied driver code below. ● Part B ○ Once you have your game working and the result is random, create a function: ■ Team * tournament(Team **, int) that takes an array of pointers to Team structs, and the number of teams. ○ You must verify the number of teams is a power of 2. If it is not, print a message saying the number of teams is invalid and a NULL pointer. ○ Use your game function for each round to determine the rounds winners. ■ Because this is an elimination style tournament, each team should lose only once, while the winner goes on to the next round. ■ You will need to create unique matchups for each round between two teams, and discard the losers. ● MAKE SURE you do not delete the pointers from the league array. This will cause a memory leak. ○ You will need to keep track of the winners each round, and match them up on the next round. ■ Do not assume you will only have 8 teams. Your code should work with any power of 2 (8 | 16 | 32). ○ Lastly, you will need to write a function that cleans up memory for each team: ■ void deleteTeam(Team *); Part 2 – Submission ● Required code organization: ○ program4.c //Driver Code ○ tournament.h ○ tournament.c ○ players.dat ○ makefile ■ You must have the following labels in your makefile: ● all – to compile all your code to an executable called ‘program4’ (no extension). Do not run. ● run – to compile if necessary and run ● checkmem – to compile and run with valgrind ● clean – to remove all executables and object files ● While inside your program 4 folder, create a zip archive with the following command ○ zip -r _program4 ■ This creates an archive of all file and folders in the current directory called program4.zip ■ Do not zip the folder itself, only the files required for the lab ● Upload the archive to Blackboard under Program 4.