Compilare: main.cpp: In member function 'bool tileInfo::operator<(const tileInfo&) const': main.cpp:32:20: warning: self-comparison always evaluates to false [-Wtautological-compare] 32 | return val > val; | ~~~ ^ ~~~ main.cpp: In function 'void input()': main.cpp:56:27: warning: array subscript has type 'char' [-Wchar-subscripts] 56 | poz[h[i][j]] = {i, j}; | ~~~~~~^ main.cpp: In function 'void initDP()': main.cpp:150:21: warning: array subscript has type 'char' [-Wchar-subscripts] 150 | int x = poz[lit].first; | ^~~ main.cpp:151:21: warning: array subscript has type 'char' [-Wchar-subscripts] 151 | int y = poz[lit].second; | ^~~