Android 10  |  10.0.0_r6
Golang程序  |  14行  |  244 B 

// run

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

import "math"

func main() {
	println(math.Copysign(0, -1))
}