[20251005] PGM / Lv2 / 택배 배달과 수거하기 / 이강현

lkhyun/202510/05 PGM Lv2 택배 배달과 수거하기.md

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+```java
+
+class Solution {
+    public long solution(int cap, int n, int[] deliveries, int[] pickups) {
+        long answer = 0;
+
+        int deliveryLoad = 0;
+        int pickupLoad = 0;
+
+        for (int i = n - 1; i >= 0; i--) {
+            deliveryLoad += deliveries[i];
+            pickupLoad += pickups[i];
+
+            while (deliveryLoad > 0 || pickupLoad > 0) {
+                deliveryLoad -= cap;
+                pickupLoad -= cap;
+
+                answer += (i + 1) * 2;
+            }
+        }
+
+        return answer;
+    }
+}
+```