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main.go
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package main
import "fmt"
func main() {
candies()
}
func candies() {
var tt int
if _, err := fmt.Scanf("%d", &tt); err != nil {
return
}
rts := make([]int, tt)
for i := 0; i < tt; i++ {
if _, err := fmt.Scanf("%d", &rts[i]); err != nil {
return
}
}
fmt.Println(minRequired(rts))
}
func minRequired(rts []int) int {
tt := len(rts)
minR := make([]int, tt)
minL := make([]int, tt)
for i := 0; i < tt; i++ {
minR[i] = 1
minL[i] = 1
}
for i := tt - 2; i >= 0; i-- {
if rts[i] > rts[i+1] {
minR[i] = 1 + minR[i+1]
}
}
for i := 1; i < tt; i++ {
if rts[i-1] < rts[i] {
minL[i] = 1 + minL[i-1]
}
}
var c int
for i := 0; i < tt; i++ {
if minL[i] < minR[i] {
c = c + minR[i]
continue
}
c = c + minL[i]
}
return c
}