小程序:扫一扫查出行【扫一扫了解最新限行尾号】复制小程序 // 统计一个数二进制中的1的个数#include <stdio.h>int count(int a)
{
int count = 0;
while (a)
{
count++;
a = a & (a - 1);
}
return count;
}int main()
{
printf("%d\n", count(10));
printf("%d\n", count(0));
printf("%d\n", count(-1));
return 0;
}