Compilare: user.cpp: In function ‘void citire_init()’: user.cpp:57:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[x0].size();i++) ^ user.cpp: In function ‘void dijkstra()’: user.cpp:78:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<g[vfmin].size();j++) ^ user.cpp: In function ‘void citire_init()’: user.cpp:39:29: 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:42:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &x, &y, &c); ^