Compilare: user.cpp: In function ‘int main()’: user.cpp:59:59: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(f, "%d%d%d%d", &s.lin, &s.col, &sf.lin, &sf.col); ^ user.cpp:59:59: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘short int*’ [-Wformat=] user.cpp:59:59: warning: format ‘%d’ expects argument of type ‘int*’, but argument 5 has type ‘short int*’ [-Wformat=] user.cpp:59:59: warning: format ‘%d’ expects argument of type ‘int*’, but argument 6 has type ‘short int*’ [-Wformat=] user.cpp:52:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%hd%hd", &n, &m); ^ user.cpp:55:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%hd%hd", &s.lin, &s.col); ^ user.cpp:59:60: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d%d%d", &s.lin, &s.col, &sf.lin, &sf.col); ^