View Compilation Error

391872_0_0_25084.cpp:10:20: hash_map: No such file or directory
391872_0_0_25084.cpp: In function `int main()':
391872_0_0_25084.cpp:33: error: `stdext' has not been declared
391872_0_0_25084.cpp:33: error: `hash_map' undeclared (first use this function)
391872_0_0_25084.cpp:33: error: (Each undeclared identifier is reported only once for each function it appears in.)
391872_0_0_25084.cpp:33: error: expected primary-expression before "int"
391872_0_0_25084.cpp:33: error: expected `;' before "int"
391872_0_0_25084.cpp:41: error: `m' undeclared (first use this function)