#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main ()
{
char str[100], word[100], twoD[10][30];
int i = 0, j = 0, k = 0, len1 = 0, len2 = 0, l = 0;
printf ("Enter the string
");
gets (str);
// let us convert the string into 2D array
for (i = 0; str[i] != ' '; i++)
{
if (str[i] == ' ')
{
twoD[k][j] = ' ';
k ++;
j = 0;
}
else
{
twoD[k][j] = str[i];
j ++;
}
}
twoD[k][j] = ' ';
j = 0;
for (i = 0; i < k; i++)
{
int present = 0;
for (l = 1; l < k + 1; l++)
{
if (twoD[l][j] == ' ' || l == i)
{
continue;
}
if (strcmp (twoD[i], twoD[l]) == 0) {
twoD[l][j] = ' ';
present = present + 1;
}
}
// if (present > 0) | uncomment this `if` block if you
// { | want to remove all the occurrences
// twoD[i][j] = ' '; | of the words including the word
// } | itself.
}
j = 0;
for (i = 0; i < k + 1; i++)
{
if (twoD[i][j] == ' ')
continue;
else
printf ("%s ", twoD[i]);
}
printf ("
");
return 0;
}