算法初步练习题23
题目内容

已知变量a、b已被赋值,要交换a、b的值,采用的算法是(   )

2021-09-13

A.a =" b," b =" a"

B.a =" c," b =" a," c =" b"

C.a =" c," b =" a," c =" a"

D.c =" a," a =" b," b = c

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