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【java数据结构和算法】给定一个数n,将其扩大为原来的15倍，不能使用乘法、除法和加法，这个怎么写呢，谢谢？
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Hmm, I was confused just now. Shift left by 4 bits and subtract n. Without considering overflow.16=2^4
(n<<4)-n
public class Test { public static void main(String[] args) { System.out.println(expand15Times(100)); } private static int expand15Times(int n) { return (n << 4) - n; } }
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Hmm, I was confused just now.
Shift left by 4 bits and subtract n. Without considering overflow.
16=2^4