急问印第安纳大学的筒子们# Immigration - 落地生根
H*5
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which of the following will not have undefined behavior?
int x=2,i=1;
A //x+=++i + ++i;
B //i+=++i;
C //x+=++i;
D x+=++i+ --i;
cout< VC 下测试四个都没问题。
int x=2,i=1;
A //x+=++i + ++i;
B //i+=++i;
C //x+=++i;
D x+=++i+ --i;
cout<