View Compilation Error

0_0_34221394_8449.cpp: In function 'int main()':
0_0_34221394_8449.cpp:29:13: error: conflicting declaration 'int p'
         int p = b[n];
             ^
0_0_34221394_8449.cpp:22:12: note: previous declaration as 'll p'
         ll p = 1, ans = 0;
            ^