How to count the Number of Occurrences of Specific Element in the List in C++ - Step by Step Examples

How to count the Number of Occurrences of Specific Element in the List in C++ ?

Answer

To count the number of occurrences of a specific element in a list in C++, you can use the std::count algorithm with std::list.

✐ Examples

1 Count Occurrences in std::list

In this example,

We include the necessary header files for std::list and algorithms.
We create a std::list named myList and add elements to it.
We use std::count with myList to count the occurrences of a specific element.
The std::count algorithm returns the number of occurrences.
Finally, we print the count to the console.

C++ Program

#include <iostream>
#include <list>
#include <algorithm>

int main() {
    std::list<int> myList = {1, 2, 3, 2, 4, 2, 5};
    int count = std::count(myList.begin(), myList.end(), 2);
    std::cout << "Number of occurrences: " << count << std::endl;
    return 0;
}

Output

Number of occurrences: 3

Summary

In this tutorial, we learned How to count the Number of Occurrences of Specific Element in the List in C++ language with well detailed examples.

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