View Compilation Error

0_0_32655394_9767.cpp: In function 'int main()':
0_0_32655394_9767.cpp:13:29: error: expression list treated as compound expression in initializer [-fpermissive]
   memset(mapp,0,sizeof(mapp));
                             ^
0_0_32655394_9767.cpp:14:8: error: 'p' was not declared in this scope
   cin>>p;
        ^