king.cpp: In function 'long long int SendInfo(std::vector<int>, std::vector<int>)':
king.cpp:3:67: error: expected identifier before numeric constant
long long SendInfo(std::vector<int> W, std::vector<int> C) return 0;
^
king.cpp:3:60: error: named return values are no longer supported
long long SendInfo(std::vector<int> W, std::vector<int> C) return 0;
^~~~~~
king.cpp:3:68: error: expected '{' at end of input
long long SendInfo(std::vector<int> W, std::vector<int> C) return 0;
^
king.cpp:3:68: warning: no return statement in function returning non-void [-Wreturn-type]