How do I remove duplicate elements in an char array? This is my code, but it doesn't work:    const int TEST1_NRULES = 4;     char test1win[4][MAX_WORD_LENGTH+1] = {         "stop", "no", "no", "no"     };    char test1wout[4][MAX_WORD_LENGTH+1] = {        "family", "ik",  "bob", "bro"

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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How do I remove duplicate elements in an char array?

This is my code, but it doesn't work:

   const int TEST1_NRULES = 4;

    char test1win[4][MAX_WORD_LENGTH+1] = {

        "stop", "no", "no", "no"

    };

   char test1wout[4][MAX_WORD_LENGTH+1] = {

       "family", "ik",  "bob", "bro"

   };

    for (int i = 0; i < TEST1_NRULES; ++i) {

        for (int p = i + 1; p < TEST1_NRULES; ++p) {

            if (strcmp(test1win[i], test1win[p]) == 0)

                for (int k = i; k < TEST1_NRULES; ++k) {

                    for (int j = 0; j < MAX_WORD_LENGTH; ++j) {

                        test1win[k][j] = test1win[k + 1][j];

                }

            }

        }

    }

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