Compilare: user.cpp: In function ‘void Dijkstra()’: user.cpp:39:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<Graf[nod].size();i++) ~^~~~~~~~~~~~~~~~~ user.cpp:30:21: warning: unused variable ‘drmm’ [-Wunused-variable] int vecinn,cost,drmm,nod,i,css,e; ^~~~ user.cpp: In function ‘int main()’: user.cpp:58:24: warning: unused variable ‘j’ [-Wunused-variable] int n,m,nr,i,x,y,k,j; ^ user.cpp:59:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d",&n,&m,&nr); ^ user.cpp:62:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&x); ^ user.cpp:68:38: 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,&k); ^