Assignment 8 Solutions

CSCI 132 Data Structures--Spring 2014

Assignment 8 Solutions
Solution gradSchools.cc code:
/*******************************************************************
* Name: Brenda Student
* Date: 4/21/14
* Course: CSCI 132 Section 01
* Assignment: Assignment 8
* Instructor: Royden
* Program: gradSchools.cc
* Purpose:  Implements the functions in the GradSchools class
***************************************************************************/

#include "gradSchools.h"
    
GradSchools::GradSchools () {
/*Pre: None
 *Post: Creates a GradSchool object and clears the schools list */
    schools.clear();
}
  
void GradSchools::addSchool (string name, string state, int women, int rateAI, int rateSys,
              int rateTheory, int effect, int ratePubs) {
/*Pre: name and state are strings
 *Post: Creates a school object with the given data and adds it to the schools list*/
  School tempSchool(name, state, women, rateAI, rateSys, rateTheory, 
                    effect, ratePubs);
  schools.insert(schools.size(), tempSchool);
}
  
void GradSchools::printGradSchools () {
/*Pre: none
 *Post: Prints out the information about each graduate school in the schools list.
 *       The schools are listed in order. */
  School tempSchool;
  cout << "There are " << schools.size() << " schools in the database:" << endl;
  for (int i = 0; i < schools.size(); i++) {
    schools.retrieve(i, tempSchool);
    tempSchool.printSchoolInfo();
  }
}
  
void GradSchools::computeRatings (int weightWomen, int weightAI, int weightSys, 
              int weightTheory, int weightEffect, int weightPubs) {
/*Pre: None
 *Post: Computes the overallRating for each school in the schools list from the
 *      given factors and ratings of the school.  The computed overallRating is 
 *      assigned to the given school. */
  School tempSchool;
  for (int i = 0; i < schools.size(); i++) {
    schools.retrieve(i, tempSchool);
    tempSchool.computeRating(weightWomen, weightAI, weightSys, weightTheory, 
                  weightEffect, weightPubs);
    schools.replace(i, tempSchool);
  }
}

void print_names(Sortable_list<School> &my_schools) {
/*Pre: None
 *Post: Prints out the names of each school in the schools list in order. */
  School tempSchool;
  for (int i = my_schools.size() -1; i >=0; i--) {
    my_schools.retrieve(i, tempSchool);
    cout << tempSchool.name << endl;
  }
}  
  
void GradSchools::rankSchools (int weightWomen, int weightAI, int weightSys, 
                int weightTheory, int weightEffect, int weightPubs) {
/*Pre: none
 *Post: Computes the ratings for all schools in the schools list and then sorts
 *      the schools using selection_sort.  It then prints out the names of the schools
 *      in order. */
  computeRatings(weightWomen, weightAI, weightSys, weightTheory, weightEffect, 
              weightPubs);
  schools.selection_sort();
  // print final ranking of schools
  cout << "Ranking of Grad School programs, given your preferences:" << endl;
    
  print_names(schools);
  cout << endl;
}

void GradSchools::rankSchoolsFactor (string factor) {
/*Pre: factor is one of the strings describing a factor for rating schools.
 *Post: All the schools in the schools list are ranked and sorted according to the given
 *      factor. */
    if (factor == "women")
      rankSchools(1, 0, 0, 0, 0, 0);
    else if (factor == "AI")
      rankSchools(0, 1, 0, 0, 0, 0);
    else if (factor == "systems")
      rankSchools(0, 0, 1, 0, 0, 0);
    else if (factor == "theory")
      rankSchools(0, 0, 0, 1, 0, 0);
    else if (factor == "effectiveness")
      rankSchools(0, 0, 0, 0, 1, 0);
    else
      rankSchools(0, 0, 0, 0, 0, 1);
}