/in/foo.cc: In function 'void cal(std::vector<std::__cxx11::basic_string<char> >&, std::vector<std::__cxx11::basic_string<char> >&)':
/in/foo.cc:321:4: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
    else
    ^~~~
/in/foo.cc:323:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else'
     cnnn++;
     ^~~~
/in/foo.cc: In function 'bool cmp(std::__cxx11::string&, std::__cxx11::string&)':
/in/foo.cc:118:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^