Files
CodeObject/storage/zeta/kt/completed/2156.kt

24 lines
583 B
Kotlin

fun solve(N: Int, A: Array<Int>): Int {
val T = Array<Triple<Int, Int, Int>>(N) {
Triple(0, 0, 0)
} // 0 안 마시기 ,1번째 마시기, 2번째 마시기
T[0] = Triple(0, A[0], 0)
for (i in 1 until N) {
T[i] = Triple(
maxOf(T[i - 1].first, T[i - 1].second, T[i - 1].third), T[i - 1].first + A[i], T[i - 1].second + A[i]
)
}
return maxOf(T[N - 1].first, T[N - 1].second, T[N - 1].third)
}
fun main() {
val N = readln().toInt()
val A = Array<Int>(N) {
readln().toInt()
}
println(solve(N, A))
}