#include <iostream>
#include <map>
int main() {
std::map<int, std::string> myMap;
// Insert key-value pairs into the map
myMap[1] = "One";
myMap[2] = "Two";
myMap[3] = "Three";
// Check if a key exists in the map
int keyToCheck = 2;
auto it = myMap.find(keyToCheck);
// Check if the iterator points to the end of the map
if (it != myMap.end()) {
// Key exists, print the corresponding value
std::cout << "Key " << keyToCheck << " exists. Value: " << it->second << std::endl;
} else {
// Key doesn't exist
std::cout << "Key " << keyToCheck << " does not exist." << std::endl;
}
return 0;
}