bestval1.cpp

BigC++的源码

#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main()
{  
   vector<string> names;
   vector<double> prices;
   vector<int> scores;

   double best_price = 1;
   int best_score = 0;
   int best_index = -1;

   bool more = true;
   while (more)
   {  
      string next_name;
      cout << "Please enter the model name: ";
      getline(cin, next_name);
      names.push_back(next_name);
      double next_price;
      cout << "Please enter the price: ";
      cin >> next_price;
      prices.push_back(next_price);
      int next_score;
      cout << "Please enter the score: ";
      cin >> next_score;
      scores.push_back(next_score);
      string remainder; /* read remainder of line */
      getline(cin, remainder); 

      if (next_score / next_price > best_score / best_price)
      {  
         best_index = names.size() - 1;
         best_score = next_score;
         best_price = next_price;
      }     

      cout << "More data? (y/n) ";
      string answer;
      getline(cin, answer);
      if (answer != "y") more = false;
   }

   for (int i = 0; i < names.size(); i++)
   {
      if (i == best_index) cout << "best value => ";
      cout << names[i]
         << " Price: " << prices[i]
         << " Score: " << scores[i] << "\n";
   }

   return 0;
}