View Compilation Error

0_0_11324275_23171.cpp:2:25: unordered_map: No such file or directory
0_0_11324275_23171.cpp:52: error: expected constructor, destructor, or type conversion before '<' token
0_0_11324275_23171.cpp:52: error: expected `,' or `;' before '<' token
0_0_11324275_23171.cpp: In function `int main()':
0_0_11324275_23171.cpp:62: error: `mp' undeclared (first use this function)
0_0_11324275_23171.cpp:62: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11324275_23171.cpp:63: error: `mp1' undeclared (first use this function)