Algorithm

Please post what you have and show us where you are having trouble.

I have updated my question. Hope this will help.

Thanks

Well, I was looking for you to post what you have and show us where you are having trouble. I will not be available for a few days after today.
Are you looking for C-code (since you chose the C-zone)? I did a quick search and found this code which is close to what you want for the delete part.

// ----codescracker.com----

#include<stdio.h>
#include<conio.h>
#include<string.h>
int main()
{
    char str[100], word[20];
    int i, j, ls, lw, temp, chk=0;
    printf("Enter the String: ");
    gets(str);
    printf("Enter a Word: ");
    gets(word);
    ls = strlen(str);
    lw = strlen(word);
    for(i=0; i<ls; i++)
    {
        temp = i;
        for(j=0; j<lw; j++)
        {
            if(str[i]==word[j])
                i++;
        }
        chk = i-temp;
        if(chk==lw)
        {
            i = temp;
            for(j=i; j<(ls-lw); j++)
                str[j] = str[j+lw];
            ls = ls-lw;
            str[j]='\0';
        }
    }
    printf("\nNew String = %s", str);
    getch();
    return 0;
}

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Delete Word from String