#include <iostream>
#include <map>
#include <string>
using namespace std;
struct package
{
int id;
string data;
bool operator<(const package& tmp) const{
if(this->id < tmp.id)
return true; //自定义排序规则
return false;
}
};
int main() {
map<package,int> tmp;
package a = {3,"a"};
package b = {2,"b"};
tmp.insert(make_pair(a, 0));
tmp.insert(make_pair(b, 0)); //插入
map<package, int>::iterator i;
for(i = tmp.begin(); i != tmp.end(); i++)
cout << i->first.id << " " << i->first.data << " " << i->second << endl;
}
stl map 使用结构体作为键
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转载自blog.csdn.net/chent86/article/details/78986672
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