Compilare: user.cpp: In function ‘void drum(int, int)’: user.cpp:49:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<G[nod].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:5:21: warning: integer overflow in expression [-Woverflow] #define inf 4000000*1000000 ^ user.cpp:74:14: note: in expansion of macro ‘inf’ d[i]=inf; ^ user.cpp:5:21: warning: integer overflow in expression [-Woverflow] #define inf 4000000*1000000 ^ user.cpp:77:22: note: in expansion of macro ‘inf’ dt[j][i]=inf; ^ user.cpp:87:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<G[nod].size();j++) ^ user.cpp:5:21: warning: integer overflow in expression [-Woverflow] #define inf 4000000*1000000 ^ user.cpp:122:10: note: in expansion of macro ‘inf’ dmin=inf; ^ user.cpp:135:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<G[x].size();i++) ^