[BOJ 실버5] 짐 챙기는 숌

fun main() = with(System.`in`.bufferedReader()) {
    val n = readLine().split(" ").map{it.toInt()}
    if(n[0]==0){
        println(0)
        return
    }
    val weight = readLine().split(" ").map{it.toInt()}
    var sum = 0
    var ans = 0
    for(i in 0 until weight.size){
        sum += weight[i]
        if(sum>n[1]){
            ans++
            sum = weight[i]
        }
    }
    println(ans+1)
}