View Compilation Error

0_0_4529597_4654.cpp: In function `int main()':
0_0_4529597_4654.cpp:68: error: `map' undeclared (first use this function)
0_0_4529597_4654.cpp:68: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4529597_4654.cpp:76: error: `getch' undeclared (first use this function)