题解 | #求int型正整数在内存中存储时1的个数#golang

package main

import (
    "fmt"
)

func main() {
    a := 0
    var count = 1
    for {
        n, _ := fmt.Scan(&a)
        if n == 0 {
            break
        } else {
            for a&(a-1) > 0 {
                a = a & (a - 1)
                count++
            }

        }
    }
    fmt.Println(count)
}