Compilare: user.cpp: In function ‘int dfs(int)’: user.cpp:18:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<g[nod].size();i++) ^ user.cpp:20:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void dijkstra(int)’: user.cpp:33:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<g[coada[p]].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:92:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<g[coada[p]].size();i++) ^