Question

Write a C program fragment which opens a file called generate.txt which writes 100 lines into the file using binary write (i.e., fwrite) the following data formatted as follows:

1 1

2 4

3 9

4 16

...

100 10000

Answer 1

#include <stdio.h>

#include <stdlib.h>

int main(){

  FILE *f;

  //initialize the arr1 with values

  int arr1[5]={1,2,3,4,5};

  int i=0;

  f=fopen("generate.txt","w");

  for(i=0;i<100;i++){

    fwrite (&i, sizeof(i), 1, f);

fwrite (&i, sizeof(i), 1, f);

  }

  fclose(f);

  return 0;

}