Compilare: user.cpp: In function ‘void Solve(int, int)’: user.cpp:26:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(short i = 0; i < G[nod].size(); i++){ ^ user.cpp:30:58: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(V[G[nod][i]] == G[G[nod][i]].size() - 1 ){ ^ user.cpp: In function ‘int main()’: user.cpp:44:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%hd %hd", &n,&k); ^ user.cpp:46:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%hd %hd", &x,&y); ^