#include <iostream>
#include <unordered_map>
int main()
{
// simple comparison demo
std::unordered_map<int , char> exp= {{1,'b'},{2,'c'},{3,'d'}};
auto search = exp.find(2);
if(search !=exp.end()){
std::cout<<"find the value"<<std::endl;
}else{
std::cout<<"could not found the value!!!"<<std::endl;
}
}
// About how to use unordered_map int cpp
// Try to make yourself more excellent...
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