View Compilation Error

0_0_6563210_28956.cpp: In function `long long int f(long long int, long long int, long long int)':
0_0_6563210_28956.cpp:17: error: `intb' undeclared (first use this function)
0_0_6563210_28956.cpp:17: error: (Each undeclared identifier is reported only once for each function it appears in.)