Go - Return bit 1 count
13 Jan 2023Go 程式碼如下：
func BitCount(x int) int {
cnt := 0
for x > 0 { // 當 x <= 0 就是完全沒 1 了
x = x & (x - 1) // 每次會不見一個 1
cnt++
}
return cnt
}
Go 程式碼如下：
func BitCount(x int) int {
cnt := 0
for x > 0 { // 當 x <= 0 就是完全沒 1 了
x = x & (x - 1) // 每次會不見一個 1
cnt++
}
return cnt
}
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