In this HackerEarth Remove Duplicates problem solution Given a string S. Your task is to remove all duplicates characters from the string S


HackerEarth Remove Duplicates problem solution


HackerEarth Remove Duplicates problem solution.

#include <bits/stdc++.h>
using namespace std;
int main()
{
string a;
cin>>a;
int Hash[26]={0};
for(int i=0;i<a.size();i++)
if(!Hash[a[i]-'a'])
Hash[a[i]-'a']=1;
for(int i=0;i<a.size();i++){
if(Hash[a[i]-'a']){
cout<<a[i];
Hash[a[i]-'a']=0;
}
}
cout<<endl;
return 0;
}