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 vote306 views1 answer
Variabili in c++
C++
0 vote299 views1 answer
Char vector to string c++
C++
29 votes277 views6 answers
String to char*
C++
0 vote306 views1 answer
Why ostream cannot be constant
C++
0 vote333 views1 answer
Constexpr std::round c++
C++
1 vote302 views1 answer
How to easily trim a str in c++
C++
1 vote283 views4 answers
Convert preorder to postorder calculator
C++
1 vote352 views1 answer
Qt remove resize handle
C++
0 vote353 views4 answers
C++ template
C++
0 vote331 views1 answer
How to run cpp using gcc vscode
C++