Compilare: user.cpp: In function ‘void dijkstra()’: user.cpp:47:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<G[minim].size(); i++) ^ user.cpp: In function ‘void citire()’: user.cpp:27:30: 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:30:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d %d",&a,&b,&c); ^