#include<iostream>
#include<cstring>
#include<set>
using namespace std;
struct Rule1 {
    bool operator()(const int& a, const int& b)const {
        return (a % 10) < (b % 10);
    }//返回值為true則說明a必須排在b前面
};
int main() {
    multiset<int, greater<int>>st;//排序規則從大到小,如果預設排序方式則從小到大
 

    int a[10]= { 1,23,45,67,44,44,77,88,2,3 };
    for (int i = 0; i < 10; ++i)
         cout<<a[i]<<",";
    cout << endl;
    for (int i = 0; i < 10; ++i)
        st.insert(a[i]);
    multiset<int, greater<int>>::iterator i;
    for (i = st.begin(); i != st.end(); ++i)
        cout 
 
<< *i << ",";
    cout << endl;
    multiset<int, Rule1>st2;
    for(int i=0;i<10;++i)
        st2.insert(a[i]);
    multiset<int, greater<int>>::iterator p;
    for (p = st2.begin(); p != st2.end(); ++p)
        cout << *p << ",";
    cout << endl;
    p 
 
= st2.find(133);
    cout << *p << endl;//發現第一個個位數是3的時候就跳出find函數了
    return 0;
}