Introduction to Algorithms
3rd Edition
ISBN: 9780262033848
Author: Thomas H. Cormen, Ronald L. Rivest, Charles E. Leiserson, Clifford Stein
Publisher: MIT Press
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Chapter 20.2, Problem 4E
Program Plan Intro
To support duplicate keys by modifying proto vEB structure
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This code is a part of a C dictionary. Please write the code for the below requirements.
dict_get
Next, you will implement:
char* dict_get (const dict_t* dict, const char* key);
This function goes through the list given by dict. If you use the above structure, this means starting at el = dict->head and checking each time whether the key at el is key; if it is not, we set el = el->next, until either key is found, or we reach el == NULL.
To compare key with el->key, we need to compare one by one each character in key with those in el->key. Remember that strings in C are just pointers (memory addresses) to the first character in the string, so comparing el->key == key will not do what you want. So how do you even get the length of a string s? You would start at memory location s and advance as long as the byte at s (i.e. *s) is not the end-of-string marker (\0, the NULL character). This can get a bit messy, so luckily, you are allowed to use the string comparison…
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Write a program to implement English Dictionary that contains data members as word, meaning, synonym, antonym and example_sentence. Use an appropriate STL container and apply the relevant algorithms to maintain the sense of Dictionary.
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