View Compilation Error

0_0_15072606_19662.cpp:6:7: error: 'MAX' was not declared in this scope
 int h[MAX];
       ^
0_0_15072606_19662.cpp: In function 'int main()':
0_0_15072606_19662.cpp:15:16: error: 'h' was not declared in this scope
         memset(h,0,MAX*sizeof(int));
                ^
0_0_15072606_19662.cpp:15:20: error: 'MAX' was not declared in this scope
         memset(h,0,MAX*sizeof(int));
                    ^
0_0_15072606_19662.cpp:20:24: error: 'BASE' was not declared in this scope
             h[k]=carry%BASE;
                        ^