Refactor almost everything

Easy/repeated-substring-pattern/solution.cpp

@@ -0,0 +1,27 @@
+#include <string>
+
+class Solution {
+public:
+    bool repeatedSubstringPattern(std::string s) {
+        for (int i = 1; i <= s.size() / 2; ++i) {
+            std::string sl(s.substr(0, i));
+            if (s.size() % i == 0) {
+                bool found = false;
+                for (int j = 1; j < s.size() / i; ++j) {
+                    if (s.find(sl, sl.size() * j) == sl.size() * j) {
+                        found = true;
+                    } else {
+                        found = false;
+                        break;
+                    }
+                }
+
+                if (found) {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+};