Compilare: user.cpp: In function ‘void DFS(int, int)’: user.cpp:39:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 0 ; i < graf[nod].size() ; i++ ) ~~^~~~~~~~~~~~~~~~~~ user.cpp:41:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (graf[nod][i] != nod && graf[nod][i] != parinte) ^ user.cpp: In function ‘int main()’: user.cpp:93:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 0 ; i < finall.size() ; i++ ) ~~^~~~~~~~~~~~~~~