Compilare: main.cpp: In function 'bool e_litera(int, int)': main.cpp:15:27: warning: array subscript has type 'char' [-Wchar-subscripts] return coresp[table[i][j]]; ^ main.cpp: In function 'void solve2()': main.cpp:121:34: warning: array subscript has type 'char' [-Wchar-subscripts] int index = coresp[table[i][j]]; ^ main.cpp: In function 'int main()': main.cpp:157:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < cuv.length(); i++) ~~^~~~~~~~~~~~~~ main.cpp:158:16: warning: array subscript has type 'char' [-Wchar-subscripts] coresp[cuv[i]] = i + 1; ^ main.cpp: In function 'int find_min_dist(int, int, int, int)': main.cpp:110:9: warning: 'dist_min' may be used uninitialized in this function [-Wmaybe-uninitialized] return dist_min; ^~~~~~~~