/C++/Finding no of unique characters in a string c++

Finding no of unique characters in a string c++

int countDistinct(string s) 
{ 

    unordered_map<char, int> m; 

    for (int i = 0; i < s.length(); i++) { 
        m[s[i]]++; 
    } 

    return m.size(); 
}

Source: stackoverflow.com

Similar codes

0 vote169 views1 answer
Vs Code cpp not run
C++
0 vote133 views6 answers
Python converter to c
C++
1 vote130 views2 answers
Auto i cpp
C++
2 votes159 views1 answer
What language is ethereum written in
C++
0 vote180 views2 answers
C++ server service ros
C++
0 vote137 views1 answer
Sort index c++
C++
2 votes130 views1 answer
Clrscr in cpp
C++
0 vote154 views1 answer
C++ average
C++
10 votes127 views3 answers
Initialise 2d vector in c++
C++
0 vote125 views1 answer
Public method
C++