View Compilation Error

0_0_8748634_4982.cpp: In function `int main()':
0_0_8748634_4982.cpp:56: error: `map' undeclared (first use this function)
0_0_8748634_4982.cpp:56: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8748634_4982.cpp:56: error: expected primary-expression before "int"
0_0_8748634_4982.cpp:56: error: expected `;' before "int"
0_0_8748634_4982.cpp:57: error: `mp' undeclared (first use this function)