init

else/symmetry.h

@@ -0,0 +1,30 @@
+//
+// Created by 李洋 on 2023/10/4.
+//
+
+#ifndef LEECODE_C_SYMMETRY_H
+#define LEECODE_C_SYMMETRY_H
+
+#include <string>
+#include <stack>
+
+bool isSymmetry(std::string target) {
+    std::stack<char> tk;
+    for (int i = 0; i < target.length(); ++i) {
+        if (i < target.length() / 2) {
+            tk.push(target[i]);
+        }
+        if (i == target.length() / 2 && target.length() % 2 == 1) {
+            i++;
+        }
+        if (i >= target.length() / 2) {
+            if (target[i] != tk.top()) {
+                return false;
+            }
+            tk.pop();
+        }
+    }
+    return true;
+}
+
+#endif //LEECODE_C_SYMMETRY_H