View Compilation Error

0_0_17276274_5102.cpp: In function 'int main()':
0_0_17276274_5102.cpp:35:9: error: 'queue' was not declared in this scope
         queue<point> p;
         ^
0_0_17276274_5102.cpp:35:20: error: expected primary-expression before '>' token
         queue<point> p;
                    ^
0_0_17276274_5102.cpp:35:22: error: 'p' was not declared in this scope
         queue<point> p;
                      ^