func canPlaceFlowers(flowerbed []int, n int) bool {
can_fit := true
if n == 0 {
return true
}
for i := 0; i < len(flowerbed); i++ {
v := flowerbed[i]
if v == 1 {
can_fit = false
} else {
if !can_fit {
can_fit = true
} else {
if i + 1 >= len(flowerbed) || flowerbed[i+1] != 1{
n--
if n == 0 {
break
}
}
can_fit = false
}
}
}
return n == 0
}