Compilare: user.cpp: In function ‘void Citire()’: user.cpp:58:14: warning: unused variable ‘w1’ [-Wunused-variable] Muchie w,w1; ^ user.cpp: In function ‘void Rezolva_a()’: user.cpp:89:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<L[k].size(); j++) ^ user.cpp: In function ‘void BFS()’: user.cpp:123:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<L[k].size(); j++) ^ user.cpp: In function ‘int main()’: user.cpp:153:20: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result] system("pause"); ^