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字符串拼接.cpp

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+//
+// Created by viole on 2026/2/24.
+//
+#include "iostream"
+using namespace std;
+int main() {
+    string a = "1";
+    string b = "12";
+    string c = "13";
+    string d = "14";
+    int e = 12;
+    cout << a+b<<c+d<<a+to_string(e)<< endl;
+    bool b1 = true;
+    return 0;
+}