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?tpId=37&tqId=21238&rp=1&ru=/exam/oj/ta&qru=/exam/oj/ta&sourceUrl=%2Fexam%2Foj%2Fta%3Fpage%3D1%26tpId%3D37%26type%3D37&difficulty=undefined&judgeStatus=undefined&tags=&title=
#include <iostream>
#include <bitset>
#include <string>
using namespace std;
int main() {
int num,count =0;
cin >> num;
bitset<32>str(num);
for(int i =0;i <32;i++){
if(str[i] ==1){
count ++;
}
}
cout << count << endl;
}
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