0_0_39006088_32178.cpp: In function 'void DFS(int, int, int, int, int, int)':
0_0_39006088_32178.cpp:39:9: error: 'xx' was not declared in this scope; did you mean 'x'?
39 | vis[xx][yy] = 0;
| ^~
| x
0_0_39006088_32178.cpp:39:13: error: 'yy' was not declared in this scope; did you mean 'y'?
39 | vis[xx][yy] = 0;
| ^~
| y
|