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程序中thread01和thread02分别是两个线程的入口函数，如下那些选项的输出是可能的？ #include <iostream> #include <thread> #include <Windows.h> #include <mutex>   using namespace std;   mutex mu;  mutex me;   int totalNum = 1; int anotherNum = 0; void thread01() {      while (totalNum > 0)      {          mu.lock();           cout << "Thread1, totalNum is "<<totalNum << endl;          totalNum–;         me.lock();         anotherNum++;         cout <<"Thread1, anotherNum is "<<anotherNum<<endl;         me.unlock();          Sleep(100);          mu.unlock();        } } void thread02() {      while (totalNum > 0)      {          me.lock();         anotherNum += 2;         mu.lock();          totalNum–;         mu.unlock();          Sleep(100);          me.unlock();      } }
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程序中thread01和thread02分别是两个线程的入口函数，如下那些选项的输出是可能的？ #include <iostream> #include <thread> #include <Windows.h> #include <mutex>   using namespace std;   mutex mu;  mutex me;   int totalNum = 1; int anotherNum = 0; void thread01() {      while (totalNum > 0)      {          mu.lock();           cout << "Thread1, totalNum is "<<totalNum << endl;          totalNum–;         me.lock();         anotherNum++;         cout <<"Thread1, anotherNum is "<<anotherNum<<endl;         me.unlock();          Sleep(100);          mu.unlock();        } } void thread02() {      while (totalNum > 0)      {          me.lock();         anotherNum += 2;         mu.lock();          totalNum–;         mu.unlock();          Sleep(100);          me.unlock();      } }

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