#include <stdio.h>

int main() {
  double sum = 0.0;
  FILE* fp = fopen("q07.dat", "w");

  float fsum = 27.0;
  fwrite(&fsum, sizeof(float), 1, fp); sum += fsum;
  fwrite(&fsum, sizeof(float), 1, fp); sum += fsum;
  

  char csum = (int)27; 
  fwrite(&csum, sizeof(char), 1, fp); sum += csum;

  double dsum = 27.0;
  fwrite(&dsum, sizeof(double), 1, fp); sum += dsum;

  long N = 4;
  short int ssum = -27;
  for (long i = 0; i < N; i++) {
    fwrite(&ssum, sizeof(short int), 1, fp); sum += ssum;    
  }

  fclose(fp);

  fprintf(stdout, "the value of sum is %f\n", sum);

}