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  1. #include <iostream>
  2. #include <string>
  3. #include <map>
  4. #include <vector>
  5. #include <fstream>
  6. #include <cstdlib>
  7.  
  8. #define NUM_FIELDS 3
  9. struct SplitLine {
  10.   std::string fields[NUM_FIELDS];
  11. };
  12.  
  13. /* DONT MAKE ANY CHANGES ABOVE THIS LINE */
  14.  
  15. /* If you wish you can include any more files here.
  16.    (from standard libraries only) */
  17.  
  18. std::map<std::string, int> process_data(std::vector<struct SplitLine> data) {
  19.         /* 
  20.          * Modify this function to process `data` as indicated
  21.          * in the question. At the end, return the appropriate 
  22.          * value.
  23.          *
  24.          * Please create appropriate classes, and use appropriate
  25.          * data structures as necessary.
  26.          *
  27.          * Do not print anything in this function.
  28.          *
  29.          * Note: the existing program is not intended to be an example
  30.          * of good programming practice. (For example, struct
  31.          * SplitLine is not a very good way to hold the data for this
  32.          * problem.)  However, the code that *you* write will be
  33.          * evaluated on the basis of the quality of the code, use of
  34.          * appropriate classes/data-structures, comments, and
  35.          * efficiency of the algorithm used.
  36.          *
  37.          * Submit this entire program (not just this function)
  38.          * as your answer
  39.          */
  40.   std::map<std::string, int> ret_val;
  41.   return ret_val;
  42. }
  43.  
  44. /* DONT MAKE ANY CHANGES BELOW THIS LINE */
  45.  
  46. int main(void) {
  47.   std::ifstream in("input.txt");
  48.   std::vector<struct SplitLine> input_data;
  49.   while (in) {
  50.     struct SplitLine line;
  51.     for (int i=0; i<NUM_FIELDS; i++) {
  52.       if (i==NUM_FIELDS-1)
  53.         std::getline(in, line.fields[i]);
  54.       else
  55.         std::getline(in, line.fields[i], ',');
  56.     }
  57.     if (line.fields[0] != "")
  58.       input_data.push_back(line);
  59.   }
  60.   std::ofstream out("output.txt");
  61.   std::map<std::string, int> ret_val = process_data(input_data);
  62.   for (std::map<std::string, int>::iterator it = ret_val.begin();
  63.        it != ret_val.end();
  64.        it++) {
  65.     out << it->first << ": " << it->second << std::endl;
  66.   }
  67.   return 0;
  68. }
  69.  
  70.  
Success #stdin #stdout 0s 3272KB
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https://ideone.com/JmlSvx
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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