View Compilation Error

0_0_24469036_6367.cpp: In function 'void InitPlug()':
0_0_24469036_6367.cpp:58:26: error: 'l' was not declared in this scope
 int t = ( it.mask >> j - l & 1 ) | ( it.mask >> j & 1 );
                          ^
0_0_24469036_6367.cpp: In function 'double Solve(char, char)':
0_0_24469036_6367.cpp:97:11: error: 'mask' was not declared in this scope
 if( St[k],mask == 0 )
           ^
0_0_24469036_6367.cpp: In function 'int main(int, char**)':
0_0_24469036_6367.cpp:119:36: error: expected ')' before ';' token
 printf( "Bob %.6f\n",Solve('B','A');
                                    ^