View Compilation Error

0_0_35716367_9493.cpp: In function 'long long int p(int, int)':
0_0_35716367_9493.cpp:7:8: error: 'n' was not declared in this scope
     if(n<=3)
        ^
0_0_35716367_9493.cpp:12:21: error: 'x' was not declared in this scope
             ans=ans*x ;
                     ^
0_0_35716367_9493.cpp:21:17: error: 'x' was not declared in this scope
             t=p(x,n/2);
                 ^
0_0_35716367_9493.cpp:26:17: error: 'x' was not declared in this scope
             t=p(x,n/2);
                 ^