// file: lecture_07/example.cc
//

// local include files
//
#include "example.h"

// method: main
//
// main program starts here
//
int main(int argc, char** argv) {

  // grab the command line arguments
  //
  long i = atoi(argv[1]);
  long j = atoi(argv[2]);
  long k = atoi(argv[3]);

  long sum = 0;
  for (long l = i; l < j; l += k) {
    sum += l;
    fprintf(stdout, "%f\n", (float)sum);
  }
  
  // exit gracefully
  //
  return(0);
}