/C++/How to find total numbe of distinct characters in a string in c

How to find total numbe of distinct characters in a string in c

#include <iostream>
#include <algorithm>
using namespace std;

int main()
{
    string username;
    int count = 0;
    cin >> username;
    sort(username.begin(),username.end()); //for understanding purpose, i do it
    int slen = username.length();
    //cout << username << endl;
    for(int i = 0; i < slen; i++)
    {
        
            if(username[i] != username[i-1])
            {
                count++;
            }
        
    }
    
    cout << "Total number of distinct characters  :  " << count << endl;
    return 0;
}

Similar codes

0 vote187 views1 answer
Assign value to a pointer
C++
17 votes263 views3 answers
PRINT IN C ++
C++
3 votes179 views4 answers
Typedef
C++
0 vote211 views1 answer
C++ poitner
C++
0 vote181 views1 answer
C++ print number not in scientific notation
C++
0 vote225 views1 answer
How to change the icon of an exe in c++
C++
0 vote182 views1 answer
Closing a ifstream file c++
C++
0 vote205 views1 answer
Get thread id c++
C++
0 vote197 views1 answer
Converting a string to lowercase inbuld function in cpp
C++
0 vote206 views1 answer
Error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools":
C++