Compilare: user.cpp: In function ‘void Citire()’: user.cpp:13:13: warning: unused variable ‘j’ [-Wunused-variable] int i,x,y,d,j; ^ user.cpp: In function ‘void Dijktra()’: user.cpp:28:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<M[Start].size();k++) ~^~~~~~~~~~~~~~~~ user.cpp:44:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<M[poz].size();k++) ~^~~~~~~~~~~~~~ user.cpp:43:11: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] S[poz]=1; ~~~~~~^~