View Compilation Error

0_0_11577794_29979.cpp:15:24: unordered_map: No such file or directory
0_0_11577794_29979.cpp:34: error: expected constructor, destructor, or type conversion before '<' token
0_0_11577794_29979.cpp:34: error: expected `,' or `;' before '<' token
0_0_11577794_29979.cpp: In function `int main()':
0_0_11577794_29979.cpp:76: error: `mp' undeclared (first use this function)
0_0_11577794_29979.cpp:76: error: (Each undeclared identifier is reported only once for each function it appears in.)