0_0_18715387_16558.cpp:23:28: error: 'Point' does not name a type
bool operator > (const Point& rhs)const
^
0_0_18715387_16558.cpp: In member function 'bool point::operator>(const int&) const':
0_0_18715387_16558.cpp:25:27: error: request for member 'step' in 'rhs', which is of non-class type 'const int'
return step > rhs.step;
^
0_0_18715387_16558.cpp: In function 'int bfs()':
0_0_18715387_16558.cpp:36:22: error: 'Point' was not declared in this scope
priority_queue < Point,vector<Point>,greater<Point> > Q;
^
0_0_18715387_16558.cpp:36:35: error: the value of 'Point' is not usable in a constant expression
priority_queue < Point,vector<Point>,greater<Point> > Q;
^
0_0_18715387_16558.cpp:36:22: note: 'Point' was not declared 'constexpr'
priority_queue < Point,vector<Point>,greater<Point> > Q;
^
0_0_18715387_16558.cpp:36:40: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Alloc> class std::vector'
priority_queue < Point,vector<Point>,greater<Point> > Q;
^
0_0_18715387_16558.cpp:36:40: error: expected a type, got 'Point'
0_0_18715387_16558.cpp:36:40: error: template argument 2 is invalid
0_0_18715387_16558.cpp:36:50: error: the value of 'Point' is not usable in a constant expression
priority_queue < Point,vector<Point>,greater<Point> > Q;
^
0_0_18715387_16558.cpp:36:22: note: 'Point' was not declared 'constexpr'
priority_queue < Point,vector<Point>,greater<Point> > Q;
^
0_0_18715387_16558.cpp:36:55: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp> struct std::greater'
priority_queue < Point,vector<Point>,greater<Point> > Q;
^
0_0_18715387_16558.cpp:36:55: error: expected a type, got 'Point'
0_0_18715387_16558.cpp:36:57: error: template argument 1 is invalid
priority_queue < Point,vector<Point>,greater<Point> > Q;
^
0_0_18715387_16558.cpp:36:57: error: template argument 2 is invalid
0_0_18715387_16558.cpp:36:57: error: template argument 3 is invalid
0_0_18715387_16558.cpp:36:60: error: invalid type in declaration before ';' token
priority_queue < Point,vector<Point>,greater<Point> > Q;
^
0_0_18715387_16558.cpp:37:11: error: expected ';' before 'pre'
Point pre,now;
^
0_0_18715387_16558.cpp:40:9: error: 'pre' was not declared in this scope
pre.x = 1;
^
0_0_18715387_16558.cpp:43:11: error: request for member 'push' in 'Q', which is of non-class type 'int'
Q.push(pre);
^
0_0_18715387_16558.cpp:45:14: error: request for member 'empty' in 'Q', which is of non-class type 'int'
while(!Q.empty())
^
0_0_18715387_16558.cpp:47:9: error: 'pre' was not declared in this scope
pre = Q.top();
^
0_0_18715387_16558.cpp:47:17: error: request for member 'top' in 'Q', which is of non-class type 'int'
pre = Q.top();
^
0_0_18715387_16558.cpp:48:11: error: request for member 'pop' in 'Q', which is of non-class type 'int'
Q.pop();
^
0_0_18715387_16558.cpp:52:13: error: 'now' was not declared in this scope
now.x = pre.x + dir[i][0];
^
0_0_18715387_16558.cpp:62:19: error: request for member 'push' in 'Q', which is of non-class type 'int'
Q.push(now);
^
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