View Compilation Error

0_0_37039108_6486.cpp: In function 'bool draw(char)':
0_0_37039108_6486.cpp:81:22: error: use of 'x' before deduction of 'auto'
   for (auto x : data[x]) {
                      ^
0_0_37039108_6486.cpp:85:16: error: 'nowy' was not declared in this scope
       int dy = nowy + dir[i][1];
                ^
0_0_37039108_6486.cpp:90:22: error: use of 'x' before deduction of 'auto'
   for (auto x : data[x]) {
                      ^
0_0_37039108_6486.cpp:92:15: error: 'nowy' was not declared in this scope
     vis[nowx][nowy] = 1;
               ^