View Compilation Error

0_0_13509909_28319.cpp: In function 'int p(char)':
0_0_13509909_28319.cpp:15:14: error: expected primary-expression before '%' token
         case %
              ^
0_0_13509909_28319.cpp:15:14: error: expected primary-expression at end of input
0_0_13509909_28319.cpp:15:14: error: expected ':' at end of input
0_0_13509909_28319.cpp:15:14: error: expected statement at end of input
0_0_13509909_28319.cpp:15:14: error: expected '}' at end of input
0_0_13509909_28319.cpp:15:14: error: expected '}' at end of input