Time: 3 ms (7.87%) | Memory: 40.7 MB (28.67%) - LeetSync

Author: sayandip20

1781-check-if-two-string-arrays-are-equivalent/check-if-two-string-arrays-are-equivalent.java

@@ -0,0 +1,28 @@
+class Solution {
+    public boolean arrayStringsAreEqual(String[] word1, String[] word2) {
+        int p1 = 0, p2 = 0; // inner pointer
+        int w1 = 0, w2 = 0; // outer pointer
+
+        while (w1 < word1.length && w2 < word2.length) {
+            String curr1 = word1[w1], curr2 = word2[w2];
+
+            if (curr1.charAt(p1) != curr2.charAt(p2)) return false;
+
+            if (p1 < curr1.length() - 1) {
+                p1++;
+            } else {
+                p1 = 0;
+                w1++;
+            }
+
+            if (p2 < curr2.length() - 1) {
+                p2++;
+            } else {
+                p2 = 0;
+                w2++;
+            }
+        }
+
+        return w1 == word1.length && w2 == word2.length;
+    }
+}