摘要: unsigned char count_ones(unsigned char n) { n = (n & 0x55) + ((n >> 1) & 0x55); n = (n & 0x33) + ((n >> 2) & 0x33); return (n + (n >> 4)) & 0x0F; } 阅读全文
posted @ 2025-06-25 18:18 =没有编程天赋= 阅读(3) 评论(0) 推荐(0)