Compilare: user.cpp: In function ‘void read()’: user.cpp:46:15: warning: unused variable ‘cap’ [-Wunused-variable] int i,x,y,cap,z,j; ^ user.cpp:46:19: warning: unused variable ‘z’ [-Wunused-variable] int i,x,y,cap,z,j; ^ user.cpp: In function ‘void bellman()’: user.cpp:111:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<e[i].size();j++) ^ user.cpp: In function ‘int dijkstra()’: user.cpp:145:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<e[i].size();j++) ^