View Compilation Error

0_0_2443881_25970.cpp: In function `int mod_pow(int, int)':
0_0_2443881_25970.cpp:41: error: `LL' undeclared (first use this function)
0_0_2443881_25970.cpp:41: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2443881_25970.cpp:41: error: expected `;' before "ans"
0_0_2443881_25970.cpp:45: error: `ans' undeclared (first use this function)