View Compilation Error

0_0_14546927_32726.cpp: In function 'int main()':
0_0_14546927_32726.cpp:12:35: error: 'memset' was not declared in this scope
         memset(side,0,sizeof(side));
                                   ^
0_0_14546927_32726.cpp:14:21: error: cannot convert 'std::priority_queue<_Tp, _Sequence, _Compare>::empty<int, std::vector<int, std::allocator<int> >, std::less<int> >' from type 'bool (std::priority_queue<int>::)() const' to type 'bool'
         while(!pque.empty) pque.pop();
                     ^
0_0_14546927_32726.cpp:14:21: error: in argument to unary !