Compilare: main.cpp: In function 'int main()': main.cpp:127:18: warning: array subscript has type 'char' [-Wchar-subscripts] 127 | functii[lit].first.push_back(s[i]); | ^~~ main.cpp:129:15: warning: array subscript has type 'char' [-Wchar-subscripts] 129 | functii[lit].second = s.substr(i+1); | ^~~ main.cpp:117:14: warning: unused variable 'c' [-Wunused-variable] 117 | char lit, c; | ^