View Compilation Error

211091_0_11968.cpp: In function `bool find(int)':
211091_0_11968.cpp:20: error: ISO C++ forbids comparison between pointer and integer
211091_0_11968.cpp:22: error: ISO C++ forbids comparison between pointer and integer
211091_0_11968.cpp: In function `void did(int, int)':
211091_0_11968.cpp:45: error: incompatible types in assignment of `bool' to `bool[21]'
211091_0_11968.cpp:47: error: incompatible types in assignment of `bool' to `bool[21]'
211091_0_11968.cpp:58: error: incompatible types in assignment of `bool' to `bool[21]'
211091_0_11968.cpp:60: error: incompatible types in assignment of `bool' to `bool[21]'