Compilare: main.cpp: In function 'void DFS(int)': main.cpp:100:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < vecin[ns].size(); ++i) ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:153:64: warning: array subscript has type 'char' [-Wchar-subscripts] v[i].cost += ridicare_la_putere(5,j) * energie[s[j]]; ^ main.cpp:166:21: warning: unused variable 'cnt' [-Wunused-variable] int sum = 0,cnt = 0,nr = 0; ^~~