View Compilation Error

0_0_27288289_31330.cpp: In function 'int main()':
0_0_27288289_31330.cpp:68:16: error: 'lay' was not declared in this scope
             if(lay[i] > 1)
                ^
0_0_27288289_31330.cpp:70:16: error: 'lay' was not declared in this scope
             if(lay[i] < n)
                ^