Please Help Me with the Answer

Question

Binary File I/O

FILE* fptr;
int arr[5] = {1, 2, 3, 4, 5};
____= fopen("datafile.bin", "____");
fwrite(arr, sizeof(arr[0]), sizeof(arr)/sizeof(arr[0]), fptr);
_____(fptr);

Answer 1

you want answers of blanks !😁😁
read article on file i/o .

fptr - wb - fclose

Answer 2

You are looking for this:

https://www.sololearn.com/learning/2952/