Time: 10 ms (59.23%), Space: 45.1 MB (30.54%) - LeetHub

Amit-S-Sahu · Oct 23, 2024 · 6e25a4c · 6e25a4c
1 parent db8caee
commit 6e25a4c
Showing 1 changed file with 7 additions and 19 deletions.
diff --git a/0383-ransom-note/0383-ransom-note.java b/0383-ransom-note/0383-ransom-note.java
@@ -1,27 +1,15 @@
 class Solution {
     public boolean canConstruct(String ransomNote, String magazine) {
-
         HashMap<Character, Integer> map = new HashMap<>();
-
-        for (int i = 0; i < magazine.length(); i++) {
-            char c = magazine.charAt(i);
-
-            if (!map.containsKey(c)) {
-                map.put(c, 1);
-            } else {
-                map.put(c, map.get(c) + 1);
-            }
+        for (Character ch : magazine.toCharArray()) {
+            map.put(ch, map.getOrDefault(ch, 0) + 1);
         }
-
-        for (int i = 0; i < ransomNote.length(); i++) {
-            char c = ransomNote.charAt(i);
-
-            if (map.containsKey(c) && map.get(c) > 0) {
-                map.put(c, map.get(c) - 1);
-            } else {
-                return false;
-            }
+
+        for (Character ch : ransomNote.toCharArray()) {
+            if (!map.containsKey(ch) || map.get(ch) <= 0) return false;
+            map.put(ch, map.get(ch) - 1);
         }
+
         return true;
     }
 }