View Compilation Error

0_0_16534969_28813.cpp: In function 'int main()':
0_0_16534969_28813.cpp:76:39: error: invalid types 'int [11][int [11]]' for array subscript
             if(!pd[lu[a[i]][lu[a[i+1]]])
                                       ^
0_0_16534969_28813.cpp:76:40: error: expected ']' before ')' token
             if(!pd[lu[a[i]][lu[a[i+1]]])
                                        ^