返回二进制翻转后的值

最新推荐文章于 2021-10-27 14:21:20 发布

原创最新推荐文章于 2021-10-27 14:21:20 发布 · 218 阅读

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#include<stdio.h>
#include<stdlib.h>
unsigned int reverse_bit(unsigned int value) {
	int i, j;
	int tmp1;
	int tmp2;
	for (i = 0, j = 31;i < j;i++, j--) {
		tmp1 =!!(value & 1 << i);
		tmp2 =!!(value & 1 << j);
		value &= ~(1 << i);
		value &= ~(1 << j);
		value |= tmp1 << j;
		value |= tmp2 >> j;
		

	}
	return value;
}
int main() {
	unsigned int n = 25;
	printf("%u", reverse_bit(n));
	system("pause");
	return 0;
}