Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:21:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<g[nod].size(); i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:54:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz_curr==comp_conexe[comp_curr].size()) ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:51:9: warning: unused variable 'maxestra' [-Wunused-variable] int maxestra=1; ^~~~~~~~