Compilare: main.cpp: In function 'int main()': main.cpp:108:52: warning: array subscript has type 'char' [-Wchar-subscripts] 108 | aux[ v[i + lindir[dir]][j + coldir[dir]] ] += sz[ d[i + lindir[dir]][j + coldir[dir]] ]; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ main.cpp:113:60: warning: array subscript has type 'char' [-Wchar-subscripts] 113 | int val = aux[ v[i + lindir[dir]][j + coldir[dir]] ]; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ main.cpp:121:50: warning: array subscript has type 'char' [-Wchar-subscripts] 121 | aux[ v[i + lindir[dir]][j + coldir[dir]] ] = 0; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ main.cpp:105:13: warning: unused variable 'sum' [-Wunused-variable] 105 | int sum = 0, dir; | ^~~ main.cpp:126:28: warning: 'maxj' may be used uninitialized in this function [-Wmaybe-uninitialized] 126 | fout << maxi << " " << maxj << endl; | ^~~~ main.cpp:126:21: warning: 'maxi' may be used uninitialized in this function [-Wmaybe-uninitialized] 126 | fout << maxi << " " << maxj << endl; | ^~~