运行 ID: 3767

Main.cc: In function ‘int main()’:
Main.cc:6:11: error: ‘strlen’ was not declared in this scope
   int len=strlen(str);
           ^~~~~~
Main.cc:6:11: note: suggested alternative: ‘mbrlen’
   int len=strlen(str);
           ^~~~~~
           mbrlen
Main.cc:13:10: error: expected ‘}’ at end of input
  return 0;
          ^