Compilare: user.cpp: In function ‘void myswap(int, int)’: user.cpp:49:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] int p=poz[H[x].nod][H[x].k]; ^ user.cpp:50:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] poz[H[x].nod][H[x].k]=poz[H[y].nod][H[y].k]; ^ user.cpp:50:47: warning: array subscript has type ‘char’ [-Wchar-subscripts] poz[H[x].nod][H[x].k]=poz[H[y].nod][H[y].k]; ^ user.cpp:51:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] poz[H[y].nod][H[y].k]=p; ^ user.cpp: In function ‘int coborare(int, int)’: user.cpp:81:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void Dijkstra(int, int)’: user.cpp:102:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<G[nod].size();i++) ^ user.cpp: In function ‘char nextch()’: user.cpp:14:31: 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); ^