Compilare: user.cpp: In function ‘int GetNearestNode()’: user.cpp:53:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Stalpi.size(); i++) ^ user.cpp:52:26: warning: unused variable ‘daddy’ [-Wunused-variable] int mini=INT_MAX,pos,daddy; ^ user.cpp: In function ‘void APM()’: user.cpp:65:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Stalpi.size(); i++) Distance[i]=distance(i,k),Dad[i]=k; ^ user.cpp:71:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Stalpi.size(); i++) if(Visited[i]==0) ^ user.cpp: In function ‘int GetNearestNode()’: user.cpp:57:12: warning: ‘pos’ may be used uninitialized in this function [-Wmaybe-uninitialized] return pos; ^