#include<iostream>
#include<string>
#include<algorithm>
#include<map>
using namespace std;
void printMap(map<int,int>& m)
{
for (map<int, int>::iterator it = m.begin(); it != m.end(); it++)
{
cout << "key = " << it->first << "value = " << it->second;
cout << endl;
}
cout << endl;
}
class MyCompare
{
public:
bool operator ()(int v1, int v2)const
{
return v1 > v2;
}
};
void test02()
{
map<const int, const int, MyCompare> m;
m.insert(make_pair(1, 10));
m.insert(make_pair(2, 20));
m.insert(make_pair(3, 30));
m.insert(make_pair(4, 40));
m.insert(make_pair(5, 50));
printMap(m);
}
int main()
{
test02();
}
这段在printMap(m)时会报错,不清楚为什么