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> in c language; & gt and x << operator

4>& gt 1 means that 4 moves to the right 1 bit, which is equivalent to 4 divided by 2=2.

2<& lt 1 means that 2 is shifted one place to the left, which is not equal to 2*2=4.

2<& lt3, that is to say, two 3-digit left immigrants. According to the code 842 1, the third digit is equivalent to the value of 8, that is, 2*8= 16.