View Compilation Error

0_0_38469838_26501.cpp: In function 'void solve()':
0_0_38469838_26501.cpp:96:15: error: invalid use of 'auto'
     if(op(b[0])||op(b[1])||op(b[2])){
               ^
0_0_38469838_26501.cpp:96:25: error: invalid use of 'auto'
     if(op(b[0])||op(b[1])||op(b[2])){
                         ^
0_0_38469838_26501.cpp:96:35: error: invalid use of 'auto'
     if(op(b[0])||op(b[1])||op(b[2])){
                                   ^