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Author: coderpheonix

459. Repeated Substring Pattern.cpp

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+class Solution {
+public:
+    bool repeatedSubstringPattern(string s) {
+        string doubled = s + s; // Step 1: Concatenate s with itself
+        return doubled.substr(1, 2 * s.size() - 2).find(s) != string::npos; // Step 2 & 3
+    }
+};