Kód: Vybrať všetko

#
#include <iostream>
#include <string>
#include <map>
using namespace std;

int main() {
	
	map<int, string> m;

	m[-1] = "XXX";
	m[0] = "AAA";
	m[1] = "BBB";

	int i = 4;

	if (m.find(i)->first == i)
		cout << "Ok";
	else
		cout << "Nie";

	return 0;
}

Kód: Vybrať všetko

#include <iostream>
#include <string>
#include <map>
using namespace std;

int main() {
   
   map<int, string> m;

   m[-1] = "XXX";
   m[0] = "AAA";
   m[1] = "BBB";

   int i = 4;

   if (m.count( i) > 0)
      cout << "Ok";
   else
      cout << "Nie";
// alebo
   if (m.find(i)  != m.end())
      cout << "Ok";
   else
      cout << "Nie";


   return 0;
}