Compilare: user.cpp: In function ‘int bellman()’: user.cpp:43:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<v[nod].size(); i++) ~^~~~~~~~~~~~~~ user.cpp:33:16: warning: unused variable ‘flux’ [-Wunused-variable] int i,nod, flux=0; ^~~~ user.cpp: In function ‘int main()’: user.cpp:75:9: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(i=n; i>0; i=t[i]) ^~~ user.cpp:80:10: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ for(i=n; i>0; i=t[i]) ^~~