View Compilation Error

347670_0_31878.cpp: In function `int find(int)':
347670_0_31878.cpp:20: error: ISO C++ forbids comparison between pointer and integer
347670_0_31878.cpp:22: error: ISO C++ forbids comparison between pointer and integer
347670_0_31878.cpp: In function `void did(int, int)':
347670_0_31878.cpp:45: error: incompatible types in assignment of `int' to `int[21]'
347670_0_31878.cpp:47: error: incompatible types in assignment of `int' to `int[21]'
347670_0_31878.cpp:58: error: incompatible types in assignment of `int' to `int[21]'
347670_0_31878.cpp:60: error: incompatible types in assignment of `int' to `int[21]'