Uchta butun son A, B, C berilgan. "Ulardan faqat bittasi musbat" tasdig'i to'g'ri bo'lsa true, aks holda false qaytaring.
func exactlyOnePositive(A int, B int, C int) bool {
// ...
}
Input: A=-1, B=5, C=-3
Output: true
Input: A=1, B=2, C=-3
Output: false
Input: A=-1, B=-2, C=-3
Output: false
if x > 0 { count++ }.count == 1.