View Compilation Error

0_0_34221353_10656.cpp: In function 'int main()':
0_0_34221353_10656.cpp:29:13: error: redeclaration of 'int p'
         int p = b[n];
             ^
0_0_34221353_10656.cpp:22:13: note: 'int p' previously declared here
         int p = 1;
             ^