c语言 将变量A和B的值进行互换 的程序
http://zhidao.baidu.com/question/192442011.html?fr=iks&word=%C9%E8%B1%E4%C1%BFa%3D3%2Cb%3D7%2C%B1%E0%B3%CC%2C%BD%E8%D6%FA%B5%DA%C8%FD%B8%F6%B1%E4%C1%BF%CA%B5%CF%D6a%BA%CDb%D6%B5%B5%C4%BB%A5%BB%BB&ie=gbk ——百度知道
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答:b = temp;}void swap2(int& a, int& b) //只用加法、减法、乘法也可以交换两个值 { a = a + b;b = a - b;a = a - b;}void