Compilare: main.cpp: In function 'void dfs(int)': main.cpp:14:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i<graf[node].size();i++) ~^~~~~~~~~~~~~~~~~~ main.cpp:18:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0;j< graf[graf[node][i].first].size();j++) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:49:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i<raspuns.size()-1;i++) ~^~~~~~~~~~~~~~~~~