Compilare: main.cpp: In function 'int main()': main.cpp:109:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < input.size(); ++i){ ~~^~~~~~~~~~~~~~ main.cpp:169:43: warning: array subscript has type 'char' [-Wchar-subscripts] a = max(pozBit, comp[j][pozBit]); ^ main.cpp:171:43: warning: array subscript has type 'char' [-Wchar-subscripts] b = min(pozBit, comp[j][pozBit]); ^