View Compilation Error

0_0_4526872_14863.cpp:15: error: `ull' does not name a type
0_0_4526872_14863.cpp: In function `int main()':
0_0_4526872_14863.cpp:49: error: `getnum' undeclared (first use this function)
0_0_4526872_14863.cpp:49: error: (Each undeclared identifier is reported only once for each function it appears in.)