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-rw-r--r--challenge-325/deadmarshal/java/Ch2.java21
1 files changed, 21 insertions, 0 deletions
diff --git a/challenge-325/deadmarshal/java/Ch2.java b/challenge-325/deadmarshal/java/Ch2.java
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+++ b/challenge-325/deadmarshal/java/Ch2.java
@@ -0,0 +1,21 @@
+import java.util.Arrays;
+import java.util.Stack;
+
+public class Ch2 {
+ public static void main(String[] args) {
+ System.out.println(Arrays.toString(final_price(new int[]{8, 4, 6, 2, 3})));
+ System.out.println(Arrays.toString(final_price(new int[]{1, 2, 3, 4, 5})));
+ System.out.println(Arrays.toString(final_price(new int[]{7, 1, 1, 5})));
+ }
+
+ private static int[] final_price(int[] arr) {
+ Stack<Integer> stack = new Stack<>();
+ for (int i = 0; i < arr.length; ++i) {
+ while (!stack.isEmpty() && arr[stack.peek()] >= arr[i])
+ arr[stack.pop()] -= arr[i];
+ stack.push(i);
+ }
+ return arr;
+ }
+}
+