View Compilation Error

0_0_11038972_15.cpp:9:18: empty character constant
0_0_11038972_15.cpp:9: error: expected unqualified-id before '\x0'
0_0_11038972_15.cpp: In function `void run()':
0_0_11038972_15.cpp:32: error: `cmp2' undeclared (first use this function)
0_0_11038972_15.cpp:32: error: (Each undeclared identifier is reported only once for each function it appears in.)