题目内容:
The constructcobegin
Statement1;
Statement2;
coend
means Statement1 and Statement2 are to be executed in parallel.The only two atomic actions in this construct are loading the value of a variable and storing into a variable.For the program segment
x=0;y=0;
cobegin
{x=1;y+=x;}
{y=2;x+=3;}
coend
Which of the following indicate(s)possible values for the variables when the segment finishes execution? .
Ⅰ.x=1,y=2
Ⅱ.x=1,y=3
Ⅲ.x=4,y=6
参考答案:
答案解析: