Compilare: user.cpp: In function ‘void dijkstra()’: user.cpp:37:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<v[pmin].size();++k) ^ user.cpp: In function ‘void citire()’: user.cpp:15:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ user.cpp:18:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&x,&y,&z); ^ user.cpp: In function ‘void dijkstra()’: user.cpp:36:20: warning: ‘pmin’ may be used uninitialized in this function [-Wmaybe-uninitialized] poz[pmin]=1; ^