qfedu-cpp-level/day10/stl_map_demo/d4.cpp

27 lines
467 B
C++

#include <iostream>
#include <map>
using namespace std;
int main()
{
map<int, string> m;
m.insert(make_pair(1, "disen"));
m.insert(make_pair(2, "lucy"));
m.insert(make_pair(3, "jack"));
map<int, string>::const_iterator it = m.find(3);
if (it == m.end())
{
cout << "未查找到" << endl;
}
else
{
const pair<int, string> &p = *it;
cout << p.first << ", " << p.second << endl;
}
return 0;
}