摘要： 题目描述：/**Generate mask indicating leftmost 1 in x. Assume w=32.*For example 0xFF00 -> 0x8000, and 0x6600 -> 0x4000.* If x = 0, then return 0.*/代码如下： 1 #include 2 int leftmost_one(unsigned x); 3 int main() 4 { 5 printf("Please enter number: "); 6 unsigned x; 7 scanf("%x",& 阅读全文