Compilare: user.cpp: In function ‘void citire()’: user.cpp:48:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<G[1].size(); ++i) ^ user.cpp: In function ‘void Dijkstra()’: user.cpp:69:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<G[vfmin].size(); ++j) ^ user.cpp: In function ‘void citire()’: user.cpp:35:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &n, &m); ^ user.cpp:38:57: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %hd", &x, &aux.vf, &aux.cost); ^ user.cpp: In function ‘void Dijkstra()’: user.cpp:67:22: warning: ‘vfmin’ may be used uninitialized in this function [-Wmaybe-uninitialized] Z[vfmin]=true; ^