View Compilation Error

0_0_21273484_31453.cpp: In member function 'bool sent::query(sent)':
0_0_21273484_31453.cpp:66:33: error: invalid operands of types 'char' and 'void*' to binary 'operator&'
                 if(a[j][0] & && strcmp(a[j],b.a[i])==0)
                                 ^
0_0_21273484_31453.cpp:66:39: error: expected ')' before '(' token
                 if(a[j][0] & && strcmp(a[j],b.a[i])==0)
                                       ^
0_0_21273484_31453.cpp:66:33: error: label 'strcmp' used but not defined
                 if(a[j][0] & && strcmp(a[j],b.a[i])==0)
                                 ^
0_0_21273484_31453.cpp: In function 'int cmp(const void*, const void*)':
0_0_21273484_31453.cpp:92:18: error: expected primary-expression before ';' token
         return 1-;
                  ^