View Compilation Error

0_0_36600348_21015.cpp: In function 'int main()':
0_0_36600348_21015.cpp:10:3: error: 'll' was not declared in this scope
   ll p=n+m;
   ^
0_0_36600348_21015.cpp:11:6: error: expected ';' before 'pp'
   ll pp=log2(p);
      ^
0_0_36600348_21015.cpp:12:6: error: expected ';' before 's'
   ll s=pow(2,pp);
      ^
0_0_36600348_21015.cpp:13:6: error: 's' was not declared in this scope
   if(s==p)
      ^
0_0_36600348_21015.cpp:13:9: error: 'p' was not declared in this scope
   if(s==p)
         ^