#include <iostream>

#include <map>

#include <string>

int main(int argc, char* argv[]) {

std::map<std::map<std::string, std::string>, int> fulldata;

std::map<std::string, std::string> key_map;

key_map["name"] = "zhangsan";

key_map["name_other"] = "zhangsaner";

fulldata[key_map] = 1;

key_map["name"] = "lisi";

key_map["name_other"] = "lisier";

fulldata[key_map] = 3;

key_map["name"] = "san";

key_map["name_other"] = "saner";

fulldata[key_map] = 5;

key_map["name"] = "zhang";

key_map["name_other"] = "zhanger";

fulldata[key_map] = 4;

key_map["name"] = "wangwu";

key_map["name_other"] = "wangwuer";

fulldata[key_map] = 2;

std::map<std::string, std::string> map_target;

map_target["name"] = "lisi";

map_target["name_other"] = "lisier";

if (fulldata.find(map_target) != fulldata.end()) {

std::cout << "found key, value is " << fulldata[map_target] << std::endl;

} else {

std::cout << "not found" << std::endl;

}

map_target["name"] = "maliu";

map_target["name_other"] = "er";

if (fulldata.find(map_target) != fulldata.end()) {

std::cout << "found key, value is " << fulldata[map_target] << std::endl;

} else {

std::cout << "not found" << std::endl;

}

return 0;

}