Compilare: main.cpp: In function 'int main()': main.cpp:38:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < A[i].size(); i++) ~~^~~~~~~~~~~~~ main.cpp:43:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int q = 0; q < A[vecin].size(); q++) ~~^~~~~~~~~~~~~~~~~ main.cpp:52:17: warning: unused variable 'nod' [-Wunused-variable] int nod = A[i][j]; ^~~ main.cpp:65:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < rez.size(); i++) ~~^~~~~~~~~~~~