W3School TIY Editor

#include <iostream> using namespace std; int main() { bool isCodingFun = true; bool isFishTasty = false; cout << boolalpha; // 启用打印 "true"/"false" cout << isCodingFun << "\n"; // 输出 true cout << isFishTasty << "\n"; // 输出 false return 0; }