/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 vote216 views1 answer
Opengl draw semi circle c++
C++
1 vote235 views1 answer
Array sum in c++ stl
C++
0 vote209 views1 answer
Distructor of the node of the link list
C++
3 votes205 views1 answer
Convert refference to pointer c++
C++
26 votes217 views1 answer
Delete specific vector element c++
C++
0 vote230 views1 answer
C++ multiple if conditions
C++
2 votes221 views1 answer
Built in function in c++ for binary to decimal
C++
0 vote218 views1 answer
How creat matrix column in c++
C++
0 vote246 views4 answers
Online c++ to c converter
C++
0 vote233 views1 answer
Print duplicate characters from string in c++
C++