Create split-two-strings-to-make-palindrome.cpp

Author: kamyu104

C++/split-two-strings-to-make-palindrome.cpp

@@ -0,0 +1,29 @@
+// Time:  O(n)
+// Space: O(1)
+
+class Solution {
+public:
+    bool checkPalindromeFormation(string a, string b) {
+        return check(a, b) || check(b, a);
+    }
+
+private:
+    bool isPalindrome(const string &s, int i, int j) {
+        for (; i < j; ++i, --j) {
+            if (s[i] != s[j]) {
+                return false;
+            }
+        }
+        return true;
+    }
+    
+    bool check(const string &a, const string &b) {
+        for (int i = 0, j = size(b) - 1; i < j; ++i, --j) {
+            if (a[i] != b[j]) {
+                return isPalindrome(a, i, j) || isPalindrome(b, i, j);
+            }
+        }
+        return true;
+    }
+    
+};