View Compilation Error

0_0_31697523_24193.cpp:4:12: error: cannot convert 'const char*' to 'const int*' in initialization
 const* rev="A   3  HIL JM O   2TUVWXY51SE Z  8 ";
            ^
0_0_31697523_24193.cpp:5:100: error: cannot convert 'const char*' to 'const int*' in initialization
 const* msg[]={"not a palindrome","a regular palindrome","a mirrored string","a mirrored palindrome"};
                                                                                                    ^
0_0_31697523_24193.cpp:5:100: error: cannot convert 'const char*' to 'const int*' in initialization
0_0_31697523_24193.cpp:5:100: error: cannot convert 'const char*' to 'const int*' in initialization
0_0_31697523_24193.cpp:5:100: error: cannot convert 'const char*' to 'const int*' in initialization
0_0_31697523_24193.cpp: In function 'int main()':
0_0_31697523_24193.cpp:15:21: error: 'strlen' was not declared in this scope
     int len=strlen(s);
                     ^