Compilare: user.cpp: In function ‘void addEdges()’: user.cpp:16:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Stalpi.size(); i++) ^ user.cpp:17:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i+1; j<Stalpi.size(); j++) ^ user.cpp: In function ‘int GetNearestNode()’: user.cpp:27:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Stalpi.size(); i++) ^ user.cpp:26:26: warning: unused variable ‘daddy’ [-Wunused-variable] int mini=INT_MAX,pos,daddy; ^ user.cpp: In function ‘void APM()’: user.cpp:37:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Stalpi.size(); i++) Distance[i]=D[i][k],Dad[i]=k; ^ user.cpp:42:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Stalpi.size(); i++) if(Distance[i]>D[i][node]) Distance[i]=D[i][node],Dad[i]=node; ^ user.cpp: In function ‘int GetNearestNode()’: user.cpp:29:12: warning: ‘pos’ may be used uninitialized in this function [-Wmaybe-uninitialized] return pos; ^