Code:
#include
#include
void main()
{
int i, j = 0, k, k1 = 0, k2 = 0, row = 0;
char temp[50];
char str[100], str2[100], str1[5][20], str3[6][20], str4[60][40];
printf("enter the string :");
scanf(" %[^\n]s", &str);
printf("enter string:");
scanf(" %[^\n]s", &str2);
/* read strings into 2d character arrays */
for (i = 0;str[i] != '\0'; i++)
{
if (str[i] == ' ')
{
str1[k1][j] = '\0';
k1++;
j = 0;
}
else
{
str1[k1][j] = str[i];
j++;
}
}
str1[k1][j] = '\0';
j = 0;
for (i = 0;str2[i] != '\0';i++)
{
if (str2[i] == ' ')
{
str3[k2][j] = '\0';
k2++;
j = 0;
}
else
{
str3[k2][j] = str2[i];
j++;
}
}
str3[k2][j] = '\0';
/* concatenates string1 words with string2 and stores in 2d array */
row = 0;
for (i = 0;i <= k1;i++)
{
for (j = 0;j <= k2;j++)
{
strcpy(temp, str1[i]);
strcat(temp, str3[j]);
strcpy(str4[row], temp);
row++;
}
}
for (i = 0;i <= k2;i++)
{
for (j = 0;j <= k1;j++)
{
strcpy(temp, str3[i]);
strcat(temp, str1[j]);
strcpy(str4[row], temp);
row++;
}
}
/* eliminates repeated combinations */
for (i = 0;i < row;i++)
{
for (j = i + 1;j < row;j++)
{
if (strcmp(str4[i], str4[j]) == 0)
{
for (k = j;k <= row;k++)
{
strcpy(str4[k], str4[k + 1]);
}
row--;
}
}
}
/* displays the output */
for (i = 0;i < row;i++)
{
printf("\n%s", str4[i]);
}
}
Output:
Execute and get the output.
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