View Compilation Error

0_0_11516700_8672.cpp:6:24: unordered_map: No such file or directory
0_0_11516700_8672.cpp:64: error: expected constructor, destructor, or type conversion before '<' token
0_0_11516700_8672.cpp:64: error: expected `,' or `;' before '<' token
0_0_11516700_8672.cpp: In function `int main()':
0_0_11516700_8672.cpp:87: error: `mp' undeclared (first use this function)
0_0_11516700_8672.cpp:87: error: (Each undeclared identifier is reported only once for each function it appears in.)