题解 | #求int型正整数在内存中存储时1的个数#
求int型正整数在内存中存储时1的个数
https://www.nowcoder.com/practice/440f16e490a0404786865e99c6ad91c9
#include <stdio.h>
//#include <math.h>
int main() {
int a = 0x00;
scanf("%d",&a);
int count1 = 0;
int temp = 0x00000001;//0x10000000;
for(int i = 0; i < 32; i++)
{
//temp = pow(2,i);
if(0 != ((temp << i) & a))
count1++;
}
printf("%d",count1);
return 0;
}
