Programming Interview Questions

Linked Lists

More examples on linked lists
Question: Write a struct that could be used for a linked list implementation.

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struct node
{
  int item;
  struct node *next;
};

Question: Implement an insert function for a linked list.

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int add_node(int new_item)
{
     /* Creates a node at the end of the list */
     conductor->next = malloc( sizeof(struct node) ); 
 
    /*checking that memory is allocated*/
    if ( conductor == 0 )
    {
      printf( "Out of memory" );
      return 0;
    } 
 
    conductor = conductor->next;
    conductor->item = new_item;
 
    /* success if we reached here */
    return 1;
}

Strings

Question: Reverse words in a string

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Reverse Words in A String

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Question: How can you reverse a string?

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Reverse String in C

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Question: Strip whitespace from a string in-place

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strip characters from a string in c

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