/C++/Print duplicate characters from string in c++

Print duplicate characters from string in c++

#include<iostream>
#include<unordered_map>
#include<string>
using namespace std;
void printdub(string st)
{
    unordered_map <char, int> mp;
    for(int i=0; i<st.length(); i++)
    {
        mp[st[i]]++;
    }
    for(auto it : mp)
    {
        if(it.second>1)
        {
            cout<<it.first<<", total_count="<<it.second<<endl;
        }
    }
}

int main()
{
    string st;
    cin>>st;
    printdub(st);
    return 0;
}

/*
geeksofgeeks
s, total_count=2
k, total_count=2
e, total_count=4
g, total_count=2
*/

Similar codes

0 vote312 views1 answer
Reverse Square Root
C++
1 vote285 views2 answers
Reverse sort cpp
C++
0 vote319 views1 answer
High school hacking competition
C++
0 vote322 views1 answer
Qregexpvalidator qlineedit email address
C++
1 vote278 views1 answer
How to run a c++ program in the background
C++
2 votes300 views1 answer
Switch case with string c++
C++
0 vote293 views1 answer
C2079 'stream' uses undefined class 'std::basic_ifstream<char,std::char_traits<char>>'
C++
3 votes284 views2 answers
Pre increment vs post increment c++
C++
1 vote313 views1 answer
Can you chnage the address of a pointer
C++
0 vote312 views1 answer
How does header files work in c++
C++