unordered_set bucket_size() in C++

bucket_size(): This function is available in the File: unordered_set.h

Syntax:

std::size_t std::unordered_set<int>::bucket_size(std::size_t __n) const

This function takes an argument of type size_t as its parameter. This function returns the number of elements in a given bucket.

Parameters: One parameter is required for this function.

__n – A bucket index.

Returns: The number of elements in the bucket.

File: unordered_set.h

For Example:

st = {9,4}

st.bucket_size() = > It returns 0.

Approach

C++

#include <bits/stdc++.h>
using namespace std;

int main()
{
    unordered_set<int> st;
    st.insert(9);
    st.insert(4);

    int n = 2;

    cout << st.bucket_size(n) << "\n";

    return 0;
}

Output:

0