Compilare: user.cpp: In function ‘int main()’: user.cpp:46:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘long int*’ [-Wformat=] fscanf(f,"%d %d",&n,&m); ^ user.cpp:54:48: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long int*’ [-Wformat=] {fscanf(f,"%d %d %d",&x,&aux.dir,&aux.c); ^ user.cpp:63:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<lista[el].size();j++) ^ user.cpp:46:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&m); ^ user.cpp:54:49: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {fscanf(f,"%d %d %d",&x,&aux.dir,&aux.c); ^