View Compilation Error

0_0_4616833_20418.cpp:2:15: math: No such file or directory
0_0_4616833_20418.cpp: In function `int func(int, int)':
0_0_4616833_20418.cpp:12: error: `pow' undeclared (first use this function)
0_0_4616833_20418.cpp:12: error: (Each undeclared identifier is reported only once for each function it appears in.)