题解 | #求int型正整数在内存中存储时1的个数#

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;

void async function () {
    // Write your code here
    while(line = await readline()){
   
        const num = Number(line).toString(2).split('')
        const arr = []
        for(let i=0;i<num.length;i++){
            if(num[i] === '1'){
                arr.push('1')
            }
        }
        console.log(arr.length)
        
    }
}()