fork download
copy 
  1. #include <stdio.h>
  2. struct ps {
  3.   char name[100];
  4.   int  year;
  5.   double ht;
  6.   double wt;
  7. };
  8. int main(void)
  9. {
  10.   FILE *in;
  11.   FILE *out;
  12.   struct ps inv[3];
  13.   int  i = 0;
  14.   char buf[100];
  15.  
  16.   in = fopen("data.txt", "r");
  17.   /*   fread(inv, sizeof(struct ps), 3, in); */
  18.   for(i=0; i<3; i++) {
  19.     fgets(buf,sizeof(buf),in);
  20.     sscanf(buf,"%s %d %lf %lf",
  21.            inv[i].name, &inv[i].year, &inv[i].ht, &inv[i].wt);
  22.     printf("%s\t%5d%7.1f%7.1f\n",
  23.            inv[i].name, inv[i].year, inv[i].ht, inv[i].wt);
  24.   }
  25.   fclose(in);
  26.  
  27.   out = fopen("new.txt", "w");
  28.   for(i=0; i<3; i++) {
  29.     fprintf(out,"%s\t%5d%7.1f%7.1f\n",
  30.             inv[i].name, inv[i].year, inv[i].ht, inv[i].wt);
  31.   }
  32.   /*  fwrite(inv, sizeof(struct ps), 3, out); */
  33.   fclose(out);
  34.   return 0;
  35. }
Runtime error #stdin #stdout 0.01s 1848KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/HZtfD
language:
C (gcc 8.3)
created:
12 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!