View Compilation Error

0_0_20867863_25650.cpp:87:32: error: expected '}' at end of input
         else return kth(ch[p][1%
                                ^
0_0_20867863_25650.cpp: In member function 'int<anonymous struct>::kth(int, int)':
0_0_20867863_25650.cpp:87:32: error: expected primary-expression at end of input
0_0_20867863_25650.cpp:87:32: error: expected ']' at end of input
0_0_20867863_25650.cpp:87:32: error: expected ';' at end of input
0_0_20867863_25650.cpp:87:32: error: expected '}' at end of input
0_0_20867863_25650.cpp: At global scope:
0_0_20867863_25650.cpp:87:32: error: expected unqualified-id at end of input