Find with hash set

#include <unordered_set>
#include <string>
#include <iostream>

int main() {
  std::unordered_set<std::string> planets{
    {"Venus"},
    {"Earth"},
    {"Mars"},
  };

  auto it = planets.find("Earth");
  if (it != planets.end()) {
    std::cout << *it << "\n";
  } else {
    std::cout << "No such planet.\n";
  }

  it = planets.find("PlanetX");
  if (it != planets.end()) {
    std::cout << *it << "\n";
  } else {
    std::cout << "No such planet.\n";
  }
}

Source: cppbyexample.com

Similar codes

0 vote334 views1 answer
Crypto npm random bytes
C++
0 vote377 views1 answer
Auto keyword
C++
0 vote309 views3 answers
C++ comment
C++
0 vote360 views1 answer
Pointers mcq sanfoundry
C++
1 vote360 views1 answer
Std means in programming
C++
0 vote344 views1 answer
Find min and max in array c++
C++
0 vote323 views1 answer
C++ cout iostream
C++
1 vote325 views1 answer
Std string to wstring
C++
0 vote316 views1 answer
Libraries required for gaming in c++
C++
0 vote365 views1 answer
Assignment operator with pointers c++
C++