Butun son n berilgan. Agar u musbat bo'lsa 1, manfiy bo'lsa -1, nol bo'lsa 0 qaytaring.
func getSign(n int) int {
// ...
}
Input: n=10
Output: 1
Input: n=-5
Output: -1
Input: n=0
Output: 0
n > 0, n < 0 va qolgani (nol).if / else if / else zanjiridan foydalaning.