online compiler and debugger for c/c++

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Source Code    Language
#include <iostream> using namespace std; ostream& say_OK(ostream& os) // 和 std::endl 类型一样的示例函数 { os << "OK!"; return os; } void test() { cout << "Are you OK? " << say_OK << say_OK << say_OK << endl; } int main() { test(); }

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