Compilare: main.cpp: In function 'void dfs(int)': main.cpp:23:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int it = 1 ; it <= v[nod].size(); it++) ~~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:65:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int it = 1 ; it <= echipe.size() ; it++) ~~~^~~~~~~~~~~~~~~~ main.cpp:75:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int it = 1 ; it <= v[i].size() ; it++ ) ~~~^~~~~~~~~~~~~~ main.cpp:86:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int it = 1 ; it <= sol.size() ; it++ , g <<"\n" ) ~~~^~~~~~~~~~~~~