Compilare: user.cpp: In function ‘bool bellmanFord()’: user.cpp:49:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[k].size();i++) ^ user.cpp: In function ‘bool rezolva(double)’: user.cpp:76:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[i].size();j++) ^ user.cpp:85:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[i].size();j++) ^ user.cpp: In function ‘double cauta()’: user.cpp:95:18: warning: variable ‘sol’ set but not used [-Wunused-but-set-variable] double p,u,m,sol; ^ user.cpp:111:12: warning: ‘m’ may be used uninitialized in this function [-Wmaybe-uninitialized] return m; ^