View Compilation Error

0_0_5266816_4692.cpp: In function `void bfs()':
0_0_5266816_4692.cpp:29: error: `map' undeclared (first use this function)
0_0_5266816_4692.cpp:29: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5266816_4692.cpp:29: error: expected primary-expression before "int"
0_0_5266816_4692.cpp:29: error: expected `;' before "int"
0_0_5266816_4692.cpp:33: error: `mp' undeclared (first use this function)