Update 0091-decode-ways.java

Removed unused dp array for the optimal solution.
iknowcode · Jun 21, 2023 · c17e095 · c17e095
1 parent 5f4f024
commit c17e095
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/java/0091-decode-ways.java b/java/0091-decode-ways.java
@@ -2,7 +2,6 @@
 class Solution {
 
  public int numDecodings(String s) {
- int[] dp = new int[s.length() + 1];
  int twoBack = 1; // empty string
  int oneBack = s.charAt(0) == '0' ? 0 : 1;
  int current = oneBack;