Compilare: user.cpp: In function ‘void eulerian(int)’: user.cpp:21:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < graf[nod].size(); ++i){ ^ user.cpp: In function ‘void del(int)’: user.cpp:40:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < graf[nod].size(); ++j){ ^ user.cpp: In function ‘int main()’: user.cpp:90:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < noduriSG.size(); ++j) ^ user.cpp:93:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < noduriImp.size(); ++i){ ^ user.cpp:104:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < fin.size(); ++k) ^