// passing.cpp - program to compute NFL passer ratings 
// Jim Plank
// January, 2007

#include <iostream>
using namespace std;

int main()
{
  double attempts, completions, tyards, tds, interceptions;

  double cperc, crat; // Completion percentage and rating
  double yavg, yrat;  // Yardage average and rating
  double tperc, trat; // Touchdown percentage and rating
  double iperc, irat; // Interception percentage and rating
  double rating;      // Completion percentage and rating

  // Read in data

  cout << "Enter attempts, completions, total yards, tds, interceptions " ;
  cin >> attempts >> completions >> tyards >> tds >> interceptions;

  // Compute completion rating, which is (percentage-3)*0.05

  cperc = completions / attempts * 100.0 ;
  crat = (cperc - 30.0)  * 0.05;
  if (crat < 0.0) crat = 0;
  if (crat > 2.375) crat = 2.375;

  // Compute yardage rating, which is (avg_yardage-3)*.25

  yavg = tyards / attempts ;
  yrat = (yavg - 3)  * 0.25;
  if (yrat < 0.0) yrat = 0;
  if (yrat > 2.375) yrat = 2.375;

  // Compute touchdown rating, which is (TD_percentage)*.2

  tperc = tds / attempts * 100.0 ;
  trat = (tperc)  * 0.2;
  if (trat < 0.0) trat = 0;
  if (trat > 2.375) trat = 2.375;

  // Compute touchdown rating, which is 2.75-(Int)*.25

  iperc = interceptions / attempts * 100.0 ;
  irat = 2.375 - iperc * 0.25;
  if (irat < 0.0) irat = 0;

  // Print out the individual ratings for testing purposes 

  cout << crat  << "\n";
  cout << yrat  << "\n";
  cout << trat  << "\n";
  cout << irat  << "\n";

  // Compute overall ratings, which is the sum of the others, divided by 6, times 100

  rating = ( crat + yrat + trat + irat ) / 6.0 * 100.0;

  cout << "Rating: " << rating  << "\n";
}