Why it is showing compiler error?

Question

#include <stdio.h>

#include <string.h>

int main()
{

  char a[100];

  int length;

  printf("Enter a string to calculate it's length\n");

  gets(a);

  length = strlen(a);

  printf("Length of the string = %d\n",length);

  return 0;

}

Answer 1

Mahir
it worked fine for me when I removed the blank lines
https://code.sololearn.com/c299GDIhjqnC/#c

Answer 2

This was from a teacher of mine. He said to me to copy paste and see what happens. I didn’t know it would show me an error. But thanks man!