unordered_set_name.max_load_factor()

// C++程序说明
// unordered_set::max_load_factor()函数
 
#include <iostream>
#include <unordered_set>
 
using namespace std;
 
int main()
{
    unordered_set<int> uset = { 1, 5, 4, 7 };
 
    //获取ust中的max_load_factor
    cout << "Maximum load factor of uset: "
        << uset.max_load_factor()
        << endl;
 
    //现在检查当前负载系数
    cout << "Current load factor of uset: "
        << uset.load_factor();
}  

Maximum load factor of uset: 1
Current load factor of uset: 0.8

unordered_set_name.max_load_factor(float z)

// C++程序说明
// unordered_set :: max_load_factor（）函数
 
#include <iostream>
#include <unordered_set>
using namespace std;
 
int main()
{
    unordered_set<int> uset = { 1, 5, 4, 7 };
 
    //现在将max_load_factor设置为0.5
    uset.max_load_factor(0.5);
 
    //现在获取uset的新max_load_factor
    cout << "New Maximum load factor of uset: "
        << uset.max_load_factor()
        << endl;
 
    //检查新的负载系数
    cout << "Current load factor of uset1: "
        << uset.load_factor()
        << endl;
}  

New Maximum load factor of uset: 0.5
Current load factor of uset1: 0.363636