Compilare: user.cpp: In function ‘int main()’: user.cpp:21:62: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(f1,"%d %d %d %d",&start.x,&start.y,&stop.x,&stop.y); ^ user.cpp:21:62: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘short int*’ [-Wformat=] user.cpp:21:62: warning: format ‘%d’ expects argument of type ‘int*’, but argument 5 has type ‘short int*’ [-Wformat=] user.cpp:21:62: warning: format ‘%d’ expects argument of type ‘int*’, but argument 6 has type ‘short int*’ [-Wformat=] user.cpp:13:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d %d",&n,&m); ^ user.cpp:16:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d %d",&x,&y); ^ user.cpp:21:63: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d %d %d %d",&start.x,&start.y,&stop.x,&stop.y); ^