C Programming Code Examples

C > Strings Code Examples

Display Every Possible Combination of Two Words from the given 2 String without Displaying Repeated Combinations



Display Every Possible Combination of Two Words from the given 2 String without Displaying Repeated Combinations

    #include <stdio.h>

    #include <string.h>

    void main()

    {

        char str1[80],  str2[80], str3[160][160], str4[160][160];

        char str5[320][320], temp[320], str[320][320];

        int x, j = 0, k = 0, l = 0, m = 0, index = 0, n = 0;

        printf("Enter first string\n");

        scanf("%[^\n]s", str1);

        printf("Enter second string\n");

        scanf(" %[^\n]s", str2);    

    /* code to convert string in 2-D array */

        for (x = 0;str1[x] != '\0';x++)

        { 

            if ((str1[x] =  = ' ')

            {

                str3[j][k] = '\0';

                j++;

                k = 0;

            }

            else

            {

                str3[j][k] = str1[x];

                k++;

            }

            str3[j][k] = '\0';    

        }

        k = 0;

        for (x = 0;str2[x] != '\0';x++)

        {

            if ((str2[x] == ' ')

            {

                str4[l][k] = '\0';

                l++;

                k = 0;

            }

            else

            {

                str4[l][k] = str2[x];

                k++;

            }

            str4[l][k] = '\0';

        }

    /* Code to make the first string words combination with second */

        for (x = 0;x <= j;x++)

        {

            for (m = 0;m <= l;m++)

            {

                strcpy(temp, str3[x]);

                strcat(temp, str4[m]);

                strcpy(str5[index], temp);

                index++;

            }

        }    

    /* Code to make the second string words combination with first */

        for (x = 0;x <= l;x++)

        {

            for (m = 0;m <= j;m++)

            {

                strcpy(temp, str4[m]);

                strcat(temp, str3[x]);

                strcpy(str5[index], temp);

                index++;

            }

        }

    /* Code to remove the repetitions */

        for (x = 0;x <= index;x++)

        {

            for (j = x + 1;j <= index;j++)

            {

                if ((strcmp(str5[x], str5[j]) == 0)

                {

                    for (k = j;k <= index;k++)

                    {

                        strcpy(str5[k], str5[k + 1]);

                    }

                    index--;

                }

            }

        }

        for (x = 0;x <= index;x++)

        {

            printf("%s\n", str5[x]);

        }

    }