View Compilation Error

0_0_18109454_14640.cpp: In function 'int main()':
0_0_18109454_14640.cpp:111:27: error: 'real' was not declared in this scope
     for (int p=0;p<k;p++) real[j++]=str[i-1];
                           ^
0_0_18109454_14640.cpp:113:5: error: 'real' was not declared in this scope
     real[j]='\0';
     ^
0_0_18109454_14640.cpp:115:10: error: 'real' was not declared in this scope
    }else real[j++]=str[i];
          ^
0_0_18109454_14640.cpp:117:32: error: 'real' was not declared in this scope
         printf("%d\n",T.search(real));
                                ^