Compilare: main.cpp: In function 'int main()': main.cpp:63:41: warning: array subscript has type 'char' [-Wchar-subscripts] 63 | m[r][c] = value[x]; | ^ main.cpp:98:81: warning: 'column' may be used uninitialized [-Wmaybe-uninitialized] 98 | fout << rooms << '\n' << surface_max << '\n' << row << ' ' << column << ' ' << surface_max_without_wall << '\n'; | ^~~ main.cpp:79:18: note: 'column' was declared here 79 | int row, column, surface_max_without_wall = 0; | ^~~~~~ main.cpp:98:64: warning: 'row' may be used uninitialized [-Wmaybe-uninitialized] 98 | fout << rooms << '\n' << surface_max << '\n' << row << ' ' << column << ' ' << surface_max_without_wall << '\n'; | ^~~ main.cpp:79:13: note: 'row' was declared here 79 | int row, column, surface_max_without_wall = 0; | ^~~