Compilare: user.cpp: In function ‘int coborare(int, int)’: user.cpp:76:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void Dijkstra(int, long long int*, int*)’: user.cpp:100:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<G[nod].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:124:22: warning: variable ‘nod’ set but not used [-Wunused-but-set-variable] int m,A,B,C,a,b,i,nod,c; ^ user.cpp: In function ‘char nextch()’: user.cpp:13:31: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf,1,MAXBUF,fi); ^