알고리즘 풀이/프로그래머스
[프로그래머스][JAVA] 다리를 지나는 트럭 (큐)
배게
2022. 3. 31. 05:01
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import java.util.*;
class Solution {
public int solution(int bridge_length, int max_weight,
int[] truck_weights){
List<Truck> inList = new LinkedList<>();
Queue<Truck> waitList = new LinkedList<>();
for(int i=0; i<truck_weights.length; i++){
waitList.offer(new Truck(truck_weights[i], 0));
}
// System.out.println(waitList.size());
int time = 0;
int curr_weight = 0;
while(!waitList.isEmpty() || !inList.isEmpty()){
time++;
// System.out.println(time);
if(!inList.isEmpty()
&& inList.get(0).passbyLength == bridge_length){
curr_weight-=inList.get(0).weight;
inList.remove(0);
}
if(!waitList.isEmpty()
&& curr_weight+waitList.peek().weight<=max_weight){
curr_weight+=waitList.peek().weight;
inList.add(waitList.poll());
}
for(Truck t : inList){
t.moving();
}
}
return time;
}
private class Truck{
int weight;
int passbyLength;
public Truck(int weight, int passbyLength){
this.weight = weight;
this.passbyLength = passbyLength;
}
public void moving(){
passbyLength++;
}
}
}
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