Solution as on 19-03-2022 08:22 am

Author: knockcat

0777. Swap Adjacent in LR String.cpp

@@ -0,0 +1,32 @@
+// 777.✅ Swap Adjacent in LR String
+
+class Solution
+{
+public:
+    bool canTransform(string start, string end)
+    {
+        int i = 0, j = 0;
+
+        while (i < start.size() && j < end.size())
+        {
+            while (start[i] == 'X')
+                ++i;
+            while (end[j] == 'X')
+                ++j;
+
+            if (start[i] != end[j])
+                return 0;
+            else if (start[i] == 'R' && i > j)
+                return 0;
+            else if (start[i] == 'L' && i < j)
+                return 0;
+            ++i;
+            ++j;
+        }
+        while (i < start.size() && start[i] == 'X')
+            i++;
+        while (j < end.size() && end[j] == 'X')
+            j++;
+        return i == j;
+    }
+};