Main.cc:2:17: error: ‘tsd’ is not a namespace-name
using namespace tsd;
^~~
Main.cc:2:20: error: expected namespace-name before ‘;’ token
using namespace tsd;
^
Main.cc: In function ‘int main()’:
Main.cc:4:2: error: ‘string’ was not declared in this scope
string a;
^~~~~~
Main.cc:4:2: note: suggested alternatives:
In file included from /usr/include/c++/7/iosfwd:39:0,
from /usr/include/c++/7/ios:38,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/stringfwd.h:74:33: note: ‘std::__cxx11::string’
typedef basic_string string;
^~~~~~
/usr/include/c++/7/bits/stringfwd.h:74:33: note: ‘std::__cxx11::string’
Main.cc:5:2: error: ‘cin’ was not declared in this scope
cin>>a;
^~~
Main.cc:5:2: note: suggested alternative:
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:75:0,
from Main.cc:1:
/usr/include/c++/7/iostream:60:18: note: ‘std::cin’
extern istream cin; /// Linked to standard input
^~~
Main.cc:5:7: error: ‘a’ was not declared in this scope
cin>>a;
^
Main.cc:7:27: error: ‘cout’ was not declared in this scope
for(int i=len-1;i>=0;i--)cout<