Compilare: user.cpp: In function ‘short int father(short int)’: user.cpp:15:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Graph[node].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:33:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(IN,"%d%d",&N,&K); ^ user.cpp:33:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘short int*’ [-Wformat=] user.cpp:37:31: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(IN,"%d%d",&X,&Y); ^ user.cpp:37:31: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘short int*’ [-Wformat=] user.cpp: In function ‘short int father(short int)’: user.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:33:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d%d",&N,&K); ^ user.cpp:37:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d%d",&X,&Y); ^