View Compilation Error

0_0_30672188_21323.cpp: In function 'int main()':
0_0_30672188_21323.cpp:26:23: error: 'p' was not declared in this scope
             if(a[b[i]+p]==1)
                       ^
0_0_30672188_21323.cpp:32:23: error: 'p' was not declared in this scope
         printf("%d\n",p);
                       ^