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#include <iostream> using namespace std; int main() { bool isCodingFun = true; cout << boolalpha; // 打印为 true/false cout << isCodingFun << "\n"; // 输出 true cout << noboolalpha; // 将 cout 重置回打印 1/0 cout << isCodingFun << "\n"; // 输出 1 return 0; }