C Code 36 _ To Remove the repeating characters from the given string

C Code 36 _ To Remove the repeating characters from the given string 

Sample Input:

Hello

Sample Output:

Helo

Program:

#include<stdio.h>

#include<string.h>

int present(char c,int m);

char str[200],ans[200];

int present(char c,int m)

{

                int v=0;

                int k;

                for(k=0;k<m;k++)

                {

                                if(c==ans[k])

                                {

                                                v=1;

                                                break;

                                }

                }

                if(v==1)

                {

                                return 1;

                }

                else

                {

                                return 0;

                }

}

int main()

{

                int i,len,j=0,p,k;

                printf("\nEnter a String : ");

                scanf("%s",str);

                len=strlen(str);

                printf("Length of original string : %d",len);

                for(i=0;i<len;i++)

                {

                                p=present(str[i],j);

                                if(!p)

                                {

                                                ans[j]=str[i];

                                                j=j+1;

                                }

                }

                printf("\n\nFinal String : %s",ans);

                printf("\nLength of Final String : %d",strlen(ans));

                return 0;

}

Output: 

Thank You ...

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