Compilare: user.cpp: In function ‘int main()’: user.cpp:30:31: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(f,"%d%d%d",&N,&m,&p); ^ user.cpp:30:31: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘short int*’ [-Wformat=] user.cpp:30:31: warning: format ‘%d’ expects argument of type ‘int*’, but argument 5 has type ‘short int*’ [-Wformat=] user.cpp:30:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&N,&m,&p); ^ user.cpp:34:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d%d",&xs,&ys,&xt,&yt); ^