View Compilation Error

0_0_10292166_13363.cpp: In function `void initSet()':
0_0_10292166_13363.cpp:12: error: `in' undeclared (first use this function)
0_0_10292166_13363.cpp:12: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10292166_13363.cpp:12: error: `out' undeclared (first use this function)