Compilare: user.cpp: In function ‘int main()’: user.cpp:23:47: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 4 has type ‘int*’ [-Wformat=] fscanf(f1,"%ld%ld%ld",&x,&aux.y,&aux.l); ^ user.cpp:23:47: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 5 has type ‘int*’ [-Wformat=] user.cpp:33:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[x].size();i++) ^ user.cpp:20:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%ld%ld",&n,&m); ^ user.cpp:23:48: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%ld%ld%ld",&x,&aux.y,&aux.l); ^