View Compilation Error

0_0_7831153_27109.cpp:34: error: `LL' does not name a type
0_0_7831153_27109.cpp: In function `int main()':
0_0_7831153_27109.cpp:52: error: `mypow' undeclared (first use this function)
0_0_7831153_27109.cpp:52: error: (Each undeclared identifier is reported only once for each function it appears in.)