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
var num = readline(); let str = parseInt(num,10).toString(2)+''; str = [...str] let count = 0; str.forEach(item=>item=='1'? count++: ''); console.log(count);

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