Submission #2230954

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Source Code Expand

#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
using namespace std;

int main(int argc,char** argv)
{

	int n;
	cin >> n;
	cout << n*2 < endl;

	return 0;

}

Submission Info

Compile Error

./Main.cpp: In function ‘int main(int, char**)’:
./Main.cpp:12:14: error: no match for ‘operator<’ (operand types are ‘std::basic_ostream<char>’ and ‘<unresolved overloaded function type>’)
  cout << n*2 < endl;
              ^
In file included from /usr/include/c++/5/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from ./Main.cpp:1:
/usr/include/c++/5/bits/stl_pair.h:220:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
     operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
     ^
/usr/include/c++/5/bits/stl_pair.h:220:5: note:   template argument deduction/substitution failed:
./Main.cpp:12:16: note:   ‘std::basic_ostream<char>’ is not derived from ‘const std::pair<_T1, _T2>’
  cout << n*2 < endl...