View Compilation Error

0_0_7415163_17011.cpp:1:23: StdAfx.h: No such file or directory
0_0_7415163_17011.cpp: In function `void process(int, int, int)':
0_0_7415163_17011.cpp:43: error: `dotNum' undeclared (first use this function)
0_0_7415163_17011.cpp:43: error: (Each undeclared identifier is reported only once for each function it appears in.)