View Compilation Error

0_0_14524273_14985.cpp: In function 'LL Left(int, int)':
0_0_14524273_14985.cpp:99:23: error: 'pos' was not declared in this scope
         ans+=1LL*g*(p-pos+1);
                       ^
0_0_14524273_14985.cpp: In function 'LL Right(int, int)':
0_0_14524273_14985.cpp:113:21: error: 'pos' was not declared in this scope
         ans+=1LL*g*(pos-p+1);
                     ^